Merge "msm: clock-8974: Add edp clocks to the lookup table and update clock rates"
diff --git a/Documentation/devicetree/bindings/sound/qcom-audio-dev.txt b/Documentation/devicetree/bindings/sound/qcom-audio-dev.txt
index 3c8cb1b..cb2c1e1 100644
--- a/Documentation/devicetree/bindings/sound/qcom-audio-dev.txt
+++ b/Documentation/devicetree/bindings/sound/qcom-audio-dev.txt
@@ -135,6 +135,25 @@
  - qcom,msm_bus,vectors:                   Arrays of unsigned integers representing:
                                            master-id, slave-id, arbitrated bandwidth,
                                            instantaneous bandwidth
+* wcd9xxx_intc
+
+Required properties:
+
+ - compatible :                            "qcom,wcd9xxx-irq"
+
+ - interrupt-controller :                  Mark this device node as an interrupt
+                                           controller
+
+ - #interrupt-cells :                      Should be 1
+
+ - interrupt-parent :                      Parent interrupt controller
+
+ - interrupts :                            Interrupt number on the parent
+                                           interrupt controller
+
+ - interrupt-names :                       Name of interrupt on the parent
+                                           interrupt controller
+
 Example:
 
         qcom,msm-pcm {
@@ -245,6 +264,15 @@
 			<11 604 32505856 325058560>;
 	};
 
+	wcd9xxx_intc: wcd9xxx-irq {
+		compatible = "qcom,wcd9xxx-irq";
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		interrupt-parent = <&msmgpio>;
+		interrupts = <72 0>;
+		interrupt-names = "cdc-int";
+	};
+
 * MSM8974 ASoC Machine driver
 
 Required properties:
diff --git a/Documentation/mmc/mmc-dev-attrs.txt b/Documentation/mmc/mmc-dev-attrs.txt
index 08f7312..7dde34f 100644
--- a/Documentation/mmc/mmc-dev-attrs.txt
+++ b/Documentation/mmc/mmc-dev-attrs.txt
@@ -25,6 +25,15 @@
 	running parallel lmdd write and lmdd read operations and calculating
 	the max number of packed writes requests.
 
+	min_sectors_to_check_bkops_status	This attribute is used to
+	determine whether the status bit that indicates the need for BKOPS
+	should be checked. The value is stored in this attribute represents
+	the minimum number of sectors that needs to be changed in the device
+	(written or discarded) in order to require the status-bit of BKOPS
+	to be checked. The value can modified via sysfs by writing the
+	required value to:
+	/sys/block/<block_dev_name>/min_sectors_to_check_bkops_status
+
 SD and MMC Device Attributes
 ============================
 
diff --git a/arch/arm/boot/dts/msm8974-liquid.dts b/arch/arm/boot/dts/msm8974-liquid.dts
index 2abc1d5..bf4adaf 100644
--- a/arch/arm/boot/dts/msm8974-liquid.dts
+++ b/arch/arm/boot/dts/msm8974-liquid.dts
@@ -22,27 +22,59 @@
 	serial@f991e000 {
 		status = "ok";
 	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		input-name = "gpio-keys";
+
+		home {
+			label = "home";
+			gpios = <&pm8941_gpios 1 0x1>;
+			linux,input-type = <1>;
+			linux,code = <102>;
+			gpio-key,wakeup;
+			debounce-interval = <15>;
+		};
+
+		vol_down {
+			label = "volume_down";
+			gpios = <&pm8941_gpios 2 0x1>;
+			linux,input-type = <1>;
+			linux,code = <114>;
+			gpio-key,wakeup;
+			debounce-interval = <15>;
+		};
+
+		vol_up {
+			label = "volume_up";
+			gpios = <&pm8941_gpios 5 0x1>;
+			linux,input-type = <1>;
+			linux,code = <115>;
+			gpio-key,wakeup;
+			debounce-interval = <15>;
+		};
+	};
 };
 
 &pm8941_gpios {
 	gpio@c000 { /* GPIO 1 */
+		qcom,mode = <0>;
+		qcom,pull = <0>;
+		qcom,vin-sel = <2>;
+		qcom,select = <0>;
 	};
 
 	gpio@c100 { /* GPIO 2 */
+		qcom,mode = <0>;
+		qcom,pull = <0>;
+		qcom,vin-sel = <2>;
+		qcom,select = <0>;
 	};
 
 	gpio@c200 { /* GPIO 3 */
-		qcom,mode = <0>;
-		qcom,pull = <0>;
-		qcom,vin-sel = <2>;
-		qcom,select = <0>;
 	};
 
 	gpio@c300 { /* GPIO 4 */
-		qcom,mode = <0>;
-		qcom,pull = <0>;
-		qcom,vin-sel = <2>;
-		qcom,select = <0>;
 	};
 
 	gpio@c400 { /* GPIO 5 */
diff --git a/arch/arm/boot/dts/msm8974.dtsi b/arch/arm/boot/dts/msm8974.dtsi
index 8e6f1e6..9770ecf 100644
--- a/arch/arm/boot/dts/msm8974.dtsi
+++ b/arch/arm/boot/dts/msm8974.dtsi
@@ -42,6 +42,15 @@
 		reg = <0xfd510000 0x4000>;
 	};
 
+	wcd9xxx_intc: wcd9xxx-irq {
+		compatible = "qcom,wcd9xxx-irq";
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		interrupt-parent = <&msmgpio>;
+		interrupts = <72 0>;
+		interrupt-names = "cdc-int";
+	};
+
 	timer {
 		compatible = "qcom,msm-qtimer", "arm,armv7-timer";
 		interrupts = <1 2 0 1 3 0>;
@@ -268,6 +277,9 @@
 			compatible = "qcom,taiko-slim-pgd";
 			elemental-addr = [00 01 A0 00 17 02];
 
+			interrupt-parent = <&wcd9xxx_intc>;
+			interrupts = <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28>;
+
 			qcom,cdc-reset-gpio = <&msmgpio 63 0>;
 
 			cdc-vdd-buck-supply = <&pm8941_s2>;
@@ -906,9 +918,9 @@
 		qcom,ipi-ping = <1>;
 	};
 
-	qcom,tz-log@fe805720 {
+	qcom,tz-log@fc03000 {
 		compatible = "qcom,tz-log";
-		reg = <0xfe805720 0x1000>;
+		reg = <0x0fc03000 0x1000>;
 	};
 
 	qcom,venus@fdce0000 {
diff --git a/arch/arm/boot/dts/msm8974_pm.dtsi b/arch/arm/boot/dts/msm8974_pm.dtsi
index f108d37..b2f3fec 100644
--- a/arch/arm/boot/dts/msm8974_pm.dtsi
+++ b/arch/arm/boot/dts/msm8974_pm.dtsi
@@ -28,6 +28,8 @@
 		qcom,saw2-spm-dly= <0x20000400>;
 		qcom,saw2-spm-ctl = <0x1>;
 		qcom,saw2-spm-cmd-wfi = [03 0b 0f];
+		qcom,saw2-spm-cmd-ret = [42 1b 00 d0 c0 a0 90 03 d0 98 a2 c0
+				0b 00 42 1b 0f];
 		qcom,saw2-spm-cmd-spc = [00 20 80 10 90 a0 b0 03 3b 98 a2 b0 82
 				10 0b 30 06 26 30 0f];
 		qcom,saw2-spm-cmd-pc = [00 20 80 10 90 a0 b0 07 3b 98 a2 b0 82
@@ -49,6 +51,8 @@
 		qcom,saw2-spm-dly= <0x20000400>;
 		qcom,saw2-spm-ctl = <0x1>;
 		qcom,saw2-spm-cmd-wfi = [03 0b 0f];
+		qcom,saw2-spm-cmd-ret = [42 1b 00 d0 c0 a0 90 03 d0 98 a2 c0
+				0b 00 42 1b 0f];
 		qcom,saw2-spm-cmd-spc = [00 20 80 10 90 a0 b0 03 3b 98 a2 b0 82
 				10 0b 30 06 26 30 0f];
 		qcom,saw2-spm-cmd-pc = [00 20 80 10 90 a0 b0 07 3b 98 a2 b0 82
@@ -70,6 +74,8 @@
 		qcom,saw2-spm-dly= <0x20000400>;
 		qcom,saw2-spm-ctl = <0x1>;
 		qcom,saw2-spm-cmd-wfi = [03 0b 0f];
+		qcom,saw2-spm-cmd-ret = [42 1b 00 d0 c0 a0 90 03 d0 98 a2 c0
+				0b 00 42 1b 0f];
 		qcom,saw2-spm-cmd-spc = [00 20 80 10 90 a0 b0 03 3b 98 a2 b0 82
 				10 0b 30 06 26 30 0f];
 		qcom,saw2-spm-cmd-pc = [00 20 80 10 90 a0 b0 07 3b 98 a2 b0 82
@@ -91,6 +97,8 @@
 		qcom,saw2-spm-dly= <0x20000400>;
 		qcom,saw2-spm-ctl = <0x1>;
 		qcom,saw2-spm-cmd-wfi = [03 0b 0f];
+		qcom,saw2-spm-cmd-ret = [42 1b 00 d0 c0 a0 90 03 d0 98 a2 c0
+				0b 00 42 1b 0f];
 		qcom,saw2-spm-cmd-spc = [00 20 80 10 90 a0 b0 03 3b 98 a2 b0 82
 				10 0b 30 06 26 30 0f];
 		qcom,saw2-spm-cmd-pc = [00 20 80 10 90 a0 b0 07 3b 98 a2 b0 82
@@ -183,6 +191,22 @@
 
 		qcom,lpm-level@1 {
 			reg = <0x1>;
+			qcom,mode = <4>;        /* MSM_PM_SLEEP_MODE_RETENTION*/
+			qcom,xo = <1>;          /* ON */
+			qcom,l2 = <3>;          /* ACTIVE */
+			qcom,vdd-mem-upper-bound = <1150000>; /* MAX */
+			qcom,vdd-mem-lower-bound = <1050000>; /* ACTIVE */
+			qcom,vdd-dig-upper-bound = <5>; /* MAX */
+			qcom,vdd-dig-lower-bound = <3>;  /* ACTIVE */
+			qcom,latency-us = <1500>;
+			qcom,ss-power = <200>;
+			qcom,energy-overhead = <576000>;
+			qcom,time-overhead = <2000>;
+		};
+
+
+		qcom,lpm-level@2 {
+			reg = <0x2>;
 			qcom,mode = <2>;        /* MSM_PM_SLEEP_MODE_STANDALONE_POWER_COLLAPSE */
 			qcom,xo = <1>;          /* ON */
 			qcom,l2 = <3>;          /* ACTIVE */
@@ -196,8 +220,8 @@
 			qcom,time-overhead = <2000>;
 		};
 
-		qcom,lpm-level@2 {
-			reg = <0x2>;
+		qcom,lpm-level@3 {
+			reg = <0x3>;
 			qcom,mode = <3>;        /* MSM_PM_SLEEP_MODE_POWER_COLLAPSE */
 			qcom,xo = <1>;          /* ON */
 			qcom,l2 = <1>;          /* GDHS */
@@ -211,8 +235,8 @@
 			qcom,time-overhead = <8500>;
 		};
 
-		qcom,lpm-level@3 {
-			reg = <0x3>;
+		qcom,lpm-level@4 {
+			reg = <0x4>;
 			qcom,mode = <3>;        /* MSM_PM_SLEEP_MODE_POWER_COLLAPSE */
 			qcom,xo = <1>;          /* ON */
 			qcom,l2 = <0>;          /* OFF */
@@ -226,8 +250,8 @@
 			qcom,time-overhead = <9000>;
 		};
 
-		qcom,lpm-level@4 {
-			reg = <0x4>;
+		qcom,lpm-level@5 {
+			reg = <0x5>;
 			qcom,mode = <3>;        /* MSM_PM_SLEEP_MODE_POWER_COLLAPSE */
 			qcom,xo = <1>;          /* ON */
 			qcom,l2 = <0>;          /* OFF */
@@ -241,8 +265,8 @@
 			qcom,time-overhead = <10000>;
 		};
 
-		qcom,lpm-level@5 {
-			reg = <0x5>;
+		qcom,lpm-level@6 {
+			reg = <0x6>;
 			qcom,mode = <3>;        /* MSM_PM_SLEEP_MODE_POWER_COLLAPSE */
 			qcom,xo = <0>;          /* OFF */
 			qcom,l2 = <1>;          /* GDHS */
@@ -256,8 +280,8 @@
 			qcom,time-overhead = <12000>;
 		};
 
-		qcom,lpm-level@6 {
-			reg = <0x6>;
+		qcom,lpm-level@7 {
+			reg = <0x7>;
 			qcom,mode = <3>;        /* MSM_PM_SLEEP_MODE_POWER_COLLAPSE */
 			qcom,xo = <0>;          /* OFF */
 			qcom,l2 = <0>;          /* OFF */
@@ -271,8 +295,8 @@
 			qcom,time-overhead = <18000>;
 		};
 
-		qcom,lpm-level@7 {
-			reg = <0x7>;
+		qcom,lpm-level@8 {
+			reg = <0x8>;
 			qcom,mode= <3>;         /* MSM_PM_SLEEP_MODE_POWER_COLLAPSE */
 			qcom,xo = <0>;          /* OFF */
 			qcom,l2 = <0>;          /* OFF */
@@ -286,8 +310,8 @@
 			qcom,time-overhead = <23500>;
 		};
 
-		qcom,lpm-level@8 {
-			reg = <0x8>;
+		qcom,lpm-level@9 {
+			reg = <0x9>;
 			qcom,mode= <3>;         /* MSM_PM_SLEEP_MODE_POWER_COLLAPSE */
 			qcom,xo = <0>;          /* OFF */
 			qcom,l2 = <0>;          /* OFF */
diff --git a/arch/arm/boot/dts/msm9625-regulator.dtsi b/arch/arm/boot/dts/msm9625-regulator.dtsi
index 9184dfe..1b5b03b 100644
--- a/arch/arm/boot/dts/msm9625-regulator.dtsi
+++ b/arch/arm/boot/dts/msm9625-regulator.dtsi
@@ -184,6 +184,7 @@
 			regulator-max-microvolt = <7>;
 			qcom,use-voltage-corner;
 			status = "okay";
+			qcom,consumer-supplies = "vdd_dig", "";
 		};
 		pm8019_l10_corner_ao: regulator-l10-corner-ao {
 			compatible = "qcom,rpm-regulator-smd";
diff --git a/arch/arm/configs/msm9625_defconfig b/arch/arm/configs/msm9625_defconfig
index d7cdbc4..b439ec6 100644
--- a/arch/arm/configs/msm9625_defconfig
+++ b/arch/arm/configs/msm9625_defconfig
@@ -48,10 +48,11 @@
 CONFIG_HIGHMEM=y
 CONFIG_VMALLOC_RESERVE=0x19000000
 CONFIG_USE_OF=y
+CONFIG_CPU_IDLE=y
 CONFIG_VFP=y
 CONFIG_NEON=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
-# CONFIG_SUSPEND is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index 9f0c30b..593b41e 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -358,6 +358,9 @@
 	select MSM_RPM_SMD
 	select MSM_NATIVE_RESTART
 	select MSM_RESTART_V2
+	select MSM_SPM_V2
+	select MSM_PM8X60 if PM
+	select MSM_SCM if SMP
 	select MULTI_IRQ_HANDLER
 	select GPIO_MSM_V3
 	select MAY_HAVE_SPARSE_IRQ
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index 2424b53..e6c6ca6 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -209,6 +209,7 @@
 	obj-$(CONFIG_ARCH_MSM8960) += cpuidle.o
 	obj-$(CONFIG_ARCH_MSM8X60) += cpuidle.o
 	obj-$(CONFIG_ARCH_MSM9615) += cpuidle.o
+	obj-$(CONFIG_ARCH_MSM9625) += cpuidle.o
 	obj-$(CONFIG_ARCH_MSM8974) += cpuidle.o
 endif
 
@@ -318,6 +319,7 @@
 endif
 ifdef CONFIG_MSM_RPM_SMD
 	obj-$(CONFIG_ARCH_MSM8974) += lpm_levels.o lpm_resources.o
+	obj-$(CONFIG_ARCH_MSM9625) += lpm_levels.o lpm_resources.o
 endif
 obj-$(CONFIG_MSM_MPM_OF) += mpm-of.o
 obj-$(CONFIG_MSM_MPM) += mpm.o
diff --git a/arch/arm/mach-msm/board-8930-regulator-pm8917.c b/arch/arm/mach-msm/board-8930-regulator-pm8917.c
index b7f554c..8898b50 100644
--- a/arch/arm/mach-msm/board-8930-regulator-pm8917.c
+++ b/arch/arm/mach-msm/board-8930-regulator-pm8917.c
@@ -551,7 +551,7 @@
 	RPM_SMPS(S8, 1, 1, 1, 2050000, 2050000, NULL, 100000, 1p60, NONE, NONE),
 
 	/*	ID     a_on pd ss min_uV   max_uV  supply  sys_uA init_ip */
-	RPM_LDO(L1,	 1, 1, 0, 1050000, 1050000, "8917_s4", 0, 10000),
+	RPM_LDO(L1,	 0, 1, 0, 1050000, 1050000, "8917_s4", 0, 10000),
 	RPM_LDO(L2,	 0, 1, 0, 1200000, 1200000, "8917_s4", 0, 0),
 	RPM_LDO(L3,	 0, 1, 0, 3075000, 3075000, NULL,      0, 0),
 	RPM_LDO(L4,	 1, 1, 0, 1800000, 1800000, NULL,      10000, 10000),
diff --git a/arch/arm/mach-msm/board-8974-gpiomux.c b/arch/arm/mach-msm/board-8974-gpiomux.c
index 8568340..50b59e1 100644
--- a/arch/arm/mach-msm/board-8974-gpiomux.c
+++ b/arch/arm/mach-msm/board-8974-gpiomux.c
@@ -128,6 +128,12 @@
 	.dir = GPIOMUX_OUT_LOW,
 };
 
+static struct gpiomux_setting taiko_int = {
+	.func = GPIOMUX_FUNC_GPIO,
+	.drv = GPIOMUX_DRV_2MA,
+	.pull = GPIOMUX_PULL_NONE,
+};
+
 static struct msm_gpiomux_config msm_touch_configs[] __initdata = {
 	{
 		.gpio      = 60,		/* TOUCH RESET */
@@ -344,6 +350,21 @@
 	},
 };
 
+static struct gpiomux_setting sd_card_det_config = {
+	.func = GPIOMUX_FUNC_GPIO,
+	.drv = GPIOMUX_DRV_2MA,
+	.pull = GPIOMUX_PULL_NONE,
+	.dir = GPIOMUX_IN,
+};
+
+static struct msm_gpiomux_config sd_card_det __initdata = {
+	.gpio = 62,
+	.settings = {
+		[GPIOMUX_ACTIVE]    = &sd_card_det_config,
+		[GPIOMUX_SUSPENDED] = &sd_card_det_config,
+	},
+};
+
 static struct msm_gpiomux_config msm_sensor_configs[] __initdata = {
 	{
 		.gpio = 15, /* CAM_MCLK0 */
@@ -516,7 +537,13 @@
 		.settings = {
 			[GPIOMUX_SUSPENDED] = &taiko_reset,
 		},
-	}
+	},
+	{
+		.gpio	= 72,		/* CDC_INT */
+		.settings = {
+			[GPIOMUX_SUSPENDED] = &taiko_int,
+		},
+	},
 };
 
 void __init msm_8974_init_gpiomux(void)
@@ -543,6 +570,8 @@
 
 	msm_gpiomux_install(msm_sensor_configs, ARRAY_SIZE(msm_sensor_configs));
 
+	msm_gpiomux_install(&sd_card_det, 1);
+
 	msm_gpiomux_install(msm_taiko_config, ARRAY_SIZE(msm_taiko_config));
 
 	msm_gpiomux_install(msm_hdmi_configs, ARRAY_SIZE(msm_hdmi_configs));
diff --git a/arch/arm/mach-msm/board-8974.c b/arch/arm/mach-msm/board-8974.c
index dcc0d01..7fe45b8 100644
--- a/arch/arm/mach-msm/board-8974.c
+++ b/arch/arm/mach-msm/board-8974.c
@@ -27,6 +27,7 @@
 #include <linux/regulator/machine.h>
 #include <linux/regulator/krait-regulator.h>
 #include <linux/msm_thermal.h>
+#include <linux/mfd/wcd9xxx/core.h>
 #include <asm/mach/map.h>
 #include <asm/hardware/gic.h>
 #include <mach/board.h>
@@ -488,6 +489,7 @@
 	{ .compatible = "qcom,msm-qgic2", .data = gic_of_init, },
 	{ .compatible = "qcom,msm-gpio", .data = msm_gpio_of_init, },
 	{ .compatible = "qcom,spmi-pmic-arb", .data = qpnpint_of_init, },
+	{ .compatible = "qcom,wcd9xxx-irq", .data = wcd9xxx_irq_of_init, },
 	{}
 };
 static struct of_device_id mpm_match[] __initdata = {
diff --git a/arch/arm/mach-msm/board-9625.c b/arch/arm/mach-msm/board-9625.c
index 2c641ed..90428ce 100644
--- a/arch/arm/mach-msm/board-9625.c
+++ b/arch/arm/mach-msm/board-9625.c
@@ -39,6 +39,8 @@
 #include <mach/rpm-regulator-smd.h>
 #include "clock.h"
 #include "modem_notifier.h"
+#include "lpm_resources.h"
+#include "spm.h"
 
 #define MSM_KERNEL_EBI_SIZE	0x51000
 
@@ -69,7 +71,6 @@
 	.paddr_to_memtype = msm9625_paddr_to_memtype,
 };
 
-
 #define L2CC_AUX_CTRL	((0x1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) | \
 			(0x2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT) | \
 			(0x1 << L2X0_AUX_CTRL_EVNT_MON_BUS_EN_SHIFT))
@@ -285,7 +286,9 @@
 	msm_init_modem_notifier_list();
 	msm_smd_init();
 	msm_rpm_driver_init();
+	msm_lpmrs_module_init();
 	rpm_regulator_smd_driver_init();
+	msm_spm_device_init();
 }
 
 void __init msm9625_init(void)
diff --git a/arch/arm/mach-msm/clock-8974.c b/arch/arm/mach-msm/clock-8974.c
index 93e801b..b21e60e 100644
--- a/arch/arm/mach-msm/clock-8974.c
+++ b/arch/arm/mach-msm/clock-8974.c
@@ -632,7 +632,6 @@
 
 #define CXO_ID			0x0
 #define QDSS_ID			0x1
-#define RPM_SCALING_ENABLE_ID	0x2
 
 #define PNOC_ID		0x0
 #define SNOC_ID		0x1
@@ -5751,24 +5750,6 @@
 #define APCS_GCC_CC_PHYS	0xF9011000
 #define APCS_GCC_CC_SIZE	SZ_4K
 
-static void __init enable_rpm_scaling(void)
-{
-	int rc, value = 0x1;
-	struct msm_rpm_kvp kvp = {
-		.key = RPM_SMD_KEY_ENABLE,
-		.data = (void *)&value,
-		.length = sizeof(value),
-	};
-
-	rc = msm_rpm_send_message_noirq(MSM_RPM_CTX_SLEEP_SET,
-			RPM_MISC_CLK_TYPE, RPM_SCALING_ENABLE_ID, &kvp, 1);
-	WARN(rc < 0, "RPM clock scaling (sleep set) did not enable!\n");
-
-	rc = msm_rpm_send_message_noirq(MSM_RPM_CTX_ACTIVE_SET,
-			RPM_MISC_CLK_TYPE, RPM_SCALING_ENABLE_ID, &kvp, 1);
-	WARN(rc < 0, "RPM clock scaling (active set) did not enable!\n");
-}
-
 static void __init msm8974_clock_pre_init(void)
 {
 	virt_bases[GCC_BASE] = ioremap(GCC_CC_PHYS, GCC_CC_SIZE);
diff --git a/arch/arm/mach-msm/clock-rpm.c b/arch/arm/mach-msm/clock-rpm.c
index e06eb4b..daf83e2 100644
--- a/arch/arm/mach-msm/clock-rpm.c
+++ b/arch/arm/mach-msm/clock-rpm.c
@@ -297,6 +297,27 @@
 	return HANDOFF_ENABLED_CLK;
 }
 
+#define RPM_MISC_CLK_TYPE	0x306b6c63
+#define RPM_SCALING_ENABLE_ID	0x2
+
+void enable_rpm_scaling(void)
+{
+	int rc, value = 0x1;
+	struct msm_rpm_kvp kvp = {
+		.key = RPM_SMD_KEY_ENABLE,
+		.data = (void *)&value,
+		.length = sizeof(value),
+	};
+
+	rc = msm_rpm_send_message_noirq(MSM_RPM_CTX_SLEEP_SET,
+			RPM_MISC_CLK_TYPE, RPM_SCALING_ENABLE_ID, &kvp, 1);
+	WARN(rc < 0, "RPM clock scaling (sleep set) did not enable!\n");
+
+	rc = msm_rpm_send_message_noirq(MSM_RPM_CTX_ACTIVE_SET,
+			RPM_MISC_CLK_TYPE, RPM_SCALING_ENABLE_ID, &kvp, 1);
+	WARN(rc < 0, "RPM clock scaling (active set) did not enable!\n");
+}
+
 struct clk_ops clk_ops_rpm = {
 	.enable = rpm_clk_enable,
 	.disable = rpm_clk_disable,
diff --git a/arch/arm/mach-msm/clock-rpm.h b/arch/arm/mach-msm/clock-rpm.h
index 2f0b729..252e8cb 100644
--- a/arch/arm/mach-msm/clock-rpm.h
+++ b/arch/arm/mach-msm/clock-rpm.h
@@ -54,6 +54,12 @@
 	return container_of(clk, struct rpm_clk, c);
 }
 
+/*
+ * RPM scaling enable function used for target that has an RPM resource for
+ * rpm clock scaling enable.
+ */
+void enable_rpm_scaling(void);
+
 extern struct clk_rpmrs_data clk_rpmrs_data;
 extern struct clk_rpmrs_data clk_rpmrs_data_smd;
 
diff --git a/arch/arm/mach-msm/lpm_levels.c b/arch/arm/mach-msm/lpm_levels.c
index 8218a42..4854fc48 100644
--- a/arch/arm/mach-msm/lpm_levels.c
+++ b/arch/arm/mach-msm/lpm_levels.c
@@ -22,6 +22,18 @@
 #include "pm.h"
 #include "rpm-notifier.h"
 
+
+enum {
+	MSM_LPM_LVL_DBG_SUSPEND_LIMITS = BIT(0),
+	MSM_LPM_LVL_DBG_IDLE_LIMITS = BIT(1),
+};
+
+static int msm_lpm_lvl_dbg_msk;
+
+module_param_named(
+	debug_mask, msm_lpm_lvl_dbg_msk, int, S_IRUGO | S_IWUSR | S_IWGRP
+);
+
 static struct msm_rpmrs_level *msm_lpm_levels;
 static int msm_lpm_level_count;
 
@@ -41,6 +53,7 @@
 		bool from_idle, bool notify_rpm)
 {
 	int ret = 0;
+	int debug_mask;
 	struct msm_rpmrs_limits *l = (struct msm_rpmrs_limits *)limits;
 
 	ret = msm_rpm_enter_sleep();
@@ -49,6 +62,21 @@
 				__func__, ret);
 		goto bail;
 	}
+	if (from_idle)
+		debug_mask = msm_lpm_lvl_dbg_msk &
+				MSM_LPM_LVL_DBG_IDLE_LIMITS;
+	else
+		debug_mask = msm_lpm_lvl_dbg_msk &
+				MSM_LPM_LVL_DBG_SUSPEND_LIMITS;
+
+	if (debug_mask)
+		pr_info("%s(): pxo:%d l2:%d mem:0x%x(0x%x) dig:0x%x(0x%x)\n",
+				__func__, l->pxo, l->l2_cache,
+				l->vdd_mem_lower_bound,
+				l->vdd_mem_upper_bound,
+				l->vdd_dig_lower_bound,
+				l->vdd_dig_upper_bound);
+
 	ret = msm_lpmrs_enter_sleep(sclk_count, l, from_idle, notify_rpm);
 bail:
 	return ret;
diff --git a/arch/arm/mach-msm/pm-8x60.c b/arch/arm/mach-msm/pm-8x60.c
index 0339c21..5c40750 100644
--- a/arch/arm/mach-msm/pm-8x60.c
+++ b/arch/arm/mach-msm/pm-8x60.c
@@ -781,11 +781,17 @@
 
 		switch (mode) {
 		case MSM_PM_SLEEP_MODE_POWER_COLLAPSE:
+			if (num_online_cpus() > 1) {
+				allow = false;
+				break;
+			}
+			/* fall through */
 		case MSM_PM_SLEEP_MODE_RETENTION:
 			if (!allow)
 				break;
 
-			if (num_online_cpus() > 1) {
+			if (msm_pm_retention_tz_call &&
+				num_online_cpus() > 1) {
 				allow = false;
 				break;
 			}
diff --git a/arch/arm/mach-msm/socinfo.c b/arch/arm/mach-msm/socinfo.c
index 969af98..0beb952 100644
--- a/arch/arm/mach-msm/socinfo.c
+++ b/arch/arm/mach-msm/socinfo.c
@@ -35,6 +35,8 @@
 	HW_PLATFORM_LIQUID  = 9,
 	/* Dragonboard platform id is assigned as 10 in CDT */
 	HW_PLATFORM_DRAGON	= 10,
+	HW_PLATFORM_HRD	= 13,
+	HW_PLATFORM_DTV	= 14,
 	HW_PLATFORM_INVALID
 };
 
@@ -47,7 +49,9 @@
 	[HW_PLATFORM_SVLTE_SURF] = "SLVTE_SURF",
 	[HW_PLATFORM_MTP] = "MTP",
 	[HW_PLATFORM_LIQUID] = "Liquid",
-	[HW_PLATFORM_DRAGON] = "Dragon"
+	[HW_PLATFORM_DRAGON] = "Dragon",
+	[HW_PLATFORM_HRD] = "HRD",
+	[HW_PLATFORM_DTV] = "DTV",
 };
 
 enum {
diff --git a/arch/arm/mach-msm/tz_log.c b/arch/arm/mach-msm/tz_log.c
index db797cd..5a7ec69 100644
--- a/arch/arm/mach-msm/tz_log.c
+++ b/arch/arm/mach-msm/tz_log.c
@@ -496,17 +496,23 @@
 	 */
 	tzdiag_phy_iobase = readl_relaxed(virt_iobase);
 
-	/*
-	 * Map the 4KB diagnostic information area
-	 */
-	tzdbg.virt_iobase = devm_ioremap_nocache(&pdev->dev,
-				tzdiag_phy_iobase, DEBUG_MAX_RW_BUF);
+	if (!pdev->dev.of_node) {
 
-	if (!tzdbg.virt_iobase) {
-		dev_err(&pdev->dev,
-			"%s: ERROR could not ioremap: start=%p, len=%u\n",
-			__func__, (void *) tzdiag_phy_iobase, DEBUG_MAX_RW_BUF);
-		return -ENXIO;
+		/*
+		 * Map the 4KB diagnostic information area
+		 */
+		tzdbg.virt_iobase = devm_ioremap_nocache(&pdev->dev,
+					tzdiag_phy_iobase, DEBUG_MAX_RW_BUF);
+
+		if (!tzdbg.virt_iobase) {
+			dev_err(&pdev->dev,
+				"%s: ERROR could not ioremap: start=%p, len=%u\n",
+				__func__, (void *) tzdiag_phy_iobase,
+				DEBUG_MAX_RW_BUF);
+			return -ENXIO;
+		}
+	} else {
+		tzdbg.virt_iobase = virt_iobase;
 	}
 
 	ptr = kzalloc(DEBUG_MAX_RW_BUF, GFP_KERNEL);
diff --git a/drivers/media/video/msm/vfe/msm_vfe40.c b/drivers/media/video/msm/vfe/msm_vfe40.c
index e958241..9ffa874 100644
--- a/drivers/media/video/msm/vfe/msm_vfe40.c
+++ b/drivers/media/video/msm/vfe/msm_vfe40.c
@@ -4615,19 +4615,19 @@
 					NOTIFY_VFE_IRQ,
 					(void *)VFE_IRQ_STATUS0_STATS_CS);
 
-				if (qcmd->vfeInterruptStatus0 &
+				if (qcmd->vfeInterruptStatus1 &
 						VFE_IRQ_STATUS1_SYNC_TIMER0)
 					v4l2_subdev_notify(&vfe40_ctrl->subdev,
 					NOTIFY_VFE_IRQ,
 					(void *)VFE_IRQ_STATUS1_SYNC_TIMER0);
 
-				if (qcmd->vfeInterruptStatus0 &
+				if (qcmd->vfeInterruptStatus1 &
 						VFE_IRQ_STATUS1_SYNC_TIMER1)
 					v4l2_subdev_notify(&vfe40_ctrl->subdev,
 					NOTIFY_VFE_IRQ,
 					(void *)VFE_IRQ_STATUS1_SYNC_TIMER1);
 
-				if (qcmd->vfeInterruptStatus0 &
+				if (qcmd->vfeInterruptStatus1 &
 						VFE_IRQ_STATUS1_SYNC_TIMER2)
 					v4l2_subdev_notify(&vfe40_ctrl->subdev,
 					NOTIFY_VFE_IRQ,
diff --git a/drivers/media/video/msm_wfd/wfd-ioctl.c b/drivers/media/video/msm_wfd/wfd-ioctl.c
index 04b787a..d8080dd 100644
--- a/drivers/media/video/msm_wfd/wfd-ioctl.c
+++ b/drivers/media/video/msm_wfd/wfd-ioctl.c
@@ -91,6 +91,7 @@
 	u32 out_buf_size;
 	struct list_head input_mem_list;
 	struct wfd_stats stats;
+	struct completion stop_mdp_thread;
 };
 
 struct wfd_vid_buffer {
@@ -522,7 +523,7 @@
 
 static int mdp_output_thread(void *data)
 {
-	int rc = 0;
+	int rc = 0, no_sig_wait = 0;
 	struct file *filp = (struct file *)data;
 	struct wfd_inst *inst = filp->private_data;
 	struct wfd_device *wfd_dev =
@@ -531,6 +532,14 @@
 	struct mem_region *mregion;
 	struct vsg_buf_info ibuf_vsg;
 	while (!kthread_should_stop()) {
+		if (rc) {
+			WFD_MSG_DBG("%s() error in output thread\n", __func__);
+			if (!no_sig_wait) {
+				wait_for_completion(&inst->stop_mdp_thread);
+				no_sig_wait = 1;
+			}
+			continue;
+		}
 		WFD_MSG_DBG("waiting for mdp output\n");
 		rc = v4l2_subdev_call(&wfd_dev->mdp_sdev,
 			core, ioctl, MDP_DQ_BUFFER, (void *)&obuf_mdp);
@@ -540,7 +549,7 @@
 				WFD_MSG_ERR("MDP reported err %d\n", rc);
 
 			WFD_MSG_ERR("Streamoff called\n");
-			break;
+			continue;
 		} else {
 			wfd_stats_update(&inst->stats,
 				WFD_STAT_EVENT_MDP_DEQUEUE);
@@ -550,7 +559,7 @@
 		if (!mregion) {
 			WFD_MSG_ERR("mdp cookie is null\n");
 			rc = -EINVAL;
-			break;
+			continue;
 		}
 
 		ibuf_vsg.mdp_buf_info = obuf_mdp;
@@ -565,7 +574,7 @@
 
 		if (rc) {
 			WFD_MSG_ERR("Failed to queue frame to vsg\n");
-			break;
+			continue;
 		} else {
 			wfd_stats_update(&inst->stats,
 				WFD_STAT_EVENT_VSG_QUEUE);
@@ -599,7 +608,7 @@
 		WFD_MSG_ERR("Failed to start vsg\n");
 		goto subdev_start_fail;
 	}
-
+	init_completion(&inst->stop_mdp_thread);
 	inst->mdp_task = kthread_run(mdp_output_thread, priv_data,
 				"mdp_output_thread");
 	if (IS_ERR(inst->mdp_task)) {
@@ -634,6 +643,7 @@
 	if (rc)
 		WFD_MSG_ERR("Failed to stop VSG\n");
 
+	complete(&inst->stop_mdp_thread);
 	kthread_stop(inst->mdp_task);
 	rc = v4l2_subdev_call(&wfd_dev->enc_sdev, core, ioctl,
 			ENCODE_FLUSH, (void *)inst->venc_inst);
diff --git a/drivers/mfd/pm8038-core.c b/drivers/mfd/pm8038-core.c
index 9815f6e..48bc92d 100644
--- a/drivers/mfd/pm8038-core.c
+++ b/drivers/mfd/pm8038-core.c
@@ -33,6 +33,11 @@
 #define REG_RTC_BASE		0x11D
 #define REG_IRQ_BASE            0x1BB
 
+#define REG_BATT_ALARM_THRESH	0x023
+#define REG_BATT_ALARM_CTRL1	0x024
+#define REG_BATT_ALARM_CTRL2	0x021
+#define REG_BATT_ALARM_PWM_CTRL	0x020
+
 #define REG_SPK_BASE		0x253
 #define REG_SPK_REGISTERS	6
 
@@ -336,6 +341,27 @@
 	.pdata_size	= sizeof(struct pm8xxx_tm_core_data),
 };
 
+static const struct resource batt_alarm_cell_resources[] __devinitconst = {
+	SINGLE_IRQ_RESOURCE("pm8921_batt_alarm_irq", PM8038_BATT_ALARM_IRQ),
+};
+
+static struct pm8xxx_batt_alarm_core_data batt_alarm_cdata = {
+	.irq_name		= "pm8921_batt_alarm_irq",
+	.reg_addr_threshold	= REG_BATT_ALARM_THRESH,
+	.reg_addr_ctrl1		= REG_BATT_ALARM_CTRL1,
+	.reg_addr_ctrl2		= REG_BATT_ALARM_CTRL2,
+	.reg_addr_pwm_ctrl	= REG_BATT_ALARM_PWM_CTRL,
+};
+
+static struct mfd_cell batt_alarm_cell __devinitdata = {
+	.name		= PM8XXX_BATT_ALARM_DEV_NAME,
+	.id		= -1,
+	.resources	= batt_alarm_cell_resources,
+	.num_resources	= ARRAY_SIZE(batt_alarm_cell_resources),
+	.platform_data	= &batt_alarm_cdata,
+	.pdata_size	= sizeof(struct pm8xxx_batt_alarm_core_data),
+};
+
 static const struct resource ccadc_cell_resources[] __devinitconst = {
 	SINGLE_IRQ_RESOURCE("PM8921_BMS_CCADC_EOC", PM8921_BMS_CCADC_EOC),
 };
@@ -661,6 +687,13 @@
 		goto bail;
 	}
 
+	ret = mfd_add_devices(pmic->dev, 0, &batt_alarm_cell, 1, NULL,
+				irq_base);
+	if (ret) {
+		pr_err("Failed to add battery alarm subdevice ret=%d\n", ret);
+		goto bail;
+	}
+
 	if (pdata->ccadc_pdata) {
 		ccadc_cell.platform_data = pdata->ccadc_pdata;
 		ccadc_cell.pdata_size =
diff --git a/drivers/mfd/wcd9xxx-core.c b/drivers/mfd/wcd9xxx-core.c
index e7e11d0..65537e4 100644
--- a/drivers/mfd/wcd9xxx-core.c
+++ b/drivers/mfd/wcd9xxx-core.c
@@ -13,6 +13,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/of_gpio.h>
+#include <linux/of_irq.h>
 #include <linux/slab.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/wcd9xxx/wcd9xxx-slimslave.h>
@@ -257,13 +258,20 @@
 	u8 byte[4];
 	struct mfd_cell *dev;
 	int size;
+	int num_irqs;
 } wcd9xxx_codecs[] = {
-	{{0x2, 0x0, 0x0, 0x1}, tabla_devs, ARRAY_SIZE(tabla_devs)},
-	{{0x1, 0x0, 0x0, 0x1}, tabla1x_devs, ARRAY_SIZE(tabla1x_devs)},
-	{{0x0, 0x0, 0x2, 0x1}, taiko_devs, ARRAY_SIZE(taiko_devs)},
-	{{0x0, 0x0, 0x0, 0x1}, sitar_devs, ARRAY_SIZE(sitar_devs)},
-	{{0x1, 0x0, 0x1, 0x1}, sitar_devs, ARRAY_SIZE(sitar_devs)},
-	{{0x2, 0x0, 0x1, 0x1}, sitar_devs, ARRAY_SIZE(sitar_devs)},
+	{{0x2, 0x0, 0x0, 0x1}, tabla_devs, ARRAY_SIZE(tabla_devs),
+	 TABLA_NUM_IRQS},
+	{{0x1, 0x0, 0x0, 0x1}, tabla1x_devs, ARRAY_SIZE(tabla1x_devs),
+	 TABLA_NUM_IRQS},
+	{{0x0, 0x0, 0x2, 0x1}, taiko_devs, ARRAY_SIZE(taiko_devs),
+	 TAIKO_NUM_IRQS},
+	{{0x0, 0x0, 0x0, 0x1}, sitar_devs, ARRAY_SIZE(sitar_devs),
+	 SITAR_NUM_IRQS},
+	{{0x1, 0x0, 0x1, 0x1}, sitar_devs, ARRAY_SIZE(sitar_devs),
+	 SITAR_NUM_IRQS},
+	{{0x2, 0x0, 0x1, 0x1}, sitar_devs, ARRAY_SIZE(sitar_devs),
+	 SITAR_NUM_IRQS},
 };
 
 static void wcd9xxx_bring_up(struct wcd9xxx *wcd9xxx)
@@ -312,8 +320,9 @@
 	}
 }
 static int wcd9xxx_check_codec_type(struct wcd9xxx *wcd9xxx,
-					struct mfd_cell **wcd9xxx_dev,
-					int *wcd9xxx_dev_size)
+				    struct mfd_cell **wcd9xxx_dev,
+				    int *wcd9xxx_dev_size,
+				    int *wcd9xxx_dev_num_irqs)
 {
 	int i;
 	int ret;
@@ -343,6 +352,7 @@
 				wcd9xxx_codecs[i].dev->name);
 			*wcd9xxx_dev = wcd9xxx_codecs[i].dev;
 			*wcd9xxx_dev_size = wcd9xxx_codecs[i].size;
+			*wcd9xxx_dev_num_irqs = wcd9xxx_codecs[i].num_irqs;
 			break;
 		}
 		i++;
@@ -359,7 +369,7 @@
 	return ret;
 }
 
-static int wcd9xxx_device_init(struct wcd9xxx *wcd9xxx, int irq)
+static int wcd9xxx_device_init(struct wcd9xxx *wcd9xxx)
 {
 	int ret;
 	struct mfd_cell *wcd9xxx_dev = NULL;
@@ -379,6 +389,11 @@
 
 	wcd9xxx_bring_up(wcd9xxx);
 
+	ret = wcd9xxx_check_codec_type(wcd9xxx, &wcd9xxx_dev, &wcd9xxx_dev_size,
+				       &wcd9xxx->num_irqs);
+	if (ret < 0)
+		goto err_irq;
+
 	if (wcd9xxx->irq != -1) {
 		ret = wcd9xxx_irq_init(wcd9xxx);
 		if (ret) {
@@ -386,11 +401,7 @@
 			goto err;
 		}
 	}
-	ret = wcd9xxx_check_codec_type(wcd9xxx, &wcd9xxx_dev,
-					&wcd9xxx_dev_size);
 
-	if (ret < 0)
-		goto err_irq;
 	ret = mfd_add_devices(wcd9xxx->dev, -1, wcd9xxx_dev, wcd9xxx_dev_size,
 			      NULL, 0);
 	if (ret != 0) {
@@ -795,10 +806,12 @@
 
 	wcd9xxx->read_dev = wcd9xxx_i2c_read;
 	wcd9xxx->write_dev = wcd9xxx_i2c_write;
-	wcd9xxx->irq = pdata->irq;
-	wcd9xxx->irq_base = pdata->irq_base;
+	if (!wcd9xxx->dev->of_node) {
+		wcd9xxx->irq = pdata->irq;
+		wcd9xxx->irq_base = pdata->irq_base;
+	}
 
-	ret = wcd9xxx_device_init(wcd9xxx, wcd9xxx->irq);
+	ret = wcd9xxx_device_init(wcd9xxx);
 	if (ret) {
 		pr_err("%s: error, initializing device failed\n", __func__);
 		goto err_device_init;
@@ -1072,7 +1085,6 @@
 			pdata->reset_gpio);
 		goto err;
 	}
-	pdata->irq = -1;
 
 	ret = wcd9xxx_dt_parse_slim_interface_dev_info(dev,
 			&pdata->slimbus_slave_device);
@@ -1163,14 +1175,12 @@
 	}
 	wcd9xxx->read_dev = wcd9xxx_slim_read_device;
 	wcd9xxx->write_dev = wcd9xxx_slim_write_device;
-	wcd9xxx->irq = pdata->irq;
-	wcd9xxx->irq_base = pdata->irq_base;
 	wcd9xxx_pgd_la = wcd9xxx->slim->laddr;
-
-	if (pdata->num_irqs < TABLA_NUM_IRQS)
-		pr_warn("%s: Not enough interrupt lines allocated\n", __func__);
-
 	wcd9xxx->slim_slave = &pdata->slimbus_slave_device;
+	if (!wcd9xxx->dev->of_node) {
+		wcd9xxx->irq = pdata->irq;
+		wcd9xxx->irq_base = pdata->irq_base;
+	}
 
 	ret = slim_add_device(slim->ctrl, wcd9xxx->slim_slave);
 	if (ret) {
@@ -1190,7 +1200,7 @@
 	wcd9xxx_inf_la = wcd9xxx->slim_slave->laddr;
 	wcd9xxx_intf = WCD9XXX_INTERFACE_TYPE_SLIMBUS;
 
-	ret = wcd9xxx_device_init(wcd9xxx, wcd9xxx->irq);
+	ret = wcd9xxx_device_init(wcd9xxx);
 	if (ret) {
 		pr_err("%s: error, initializing device failed\n", __func__);
 		goto err_slim_add;
diff --git a/drivers/mfd/wcd9xxx-irq.c b/drivers/mfd/wcd9xxx-irq.c
index e9b2ef3..103c1a3 100644
--- a/drivers/mfd/wcd9xxx-irq.c
+++ b/drivers/mfd/wcd9xxx-irq.c
@@ -18,8 +18,13 @@
 #include <linux/mfd/wcd9xxx/core.h>
 #include <linux/mfd/wcd9xxx/wcd9xxx_registers.h>
 #include <linux/mfd/wcd9xxx/wcd9310_registers.h>
+#include <linux/mfd/wcd9xxx/wcd9xxx-slimslave.h>
+#include <linux/delay.h>
+#include <linux/irqdomain.h>
 #include <linux/interrupt.h>
-
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/slab.h>
 #include <mach/cpuidle.h>
 
 #define BYTE_BIT_MASK(nr)		(1UL << ((nr) % BITS_PER_BYTE))
@@ -27,19 +32,18 @@
 
 #define WCD9XXX_SYSTEM_RESUME_TIMEOUT_MS 100
 
-struct wcd9xxx_irq {
-	bool level;
+#ifdef CONFIG_OF
+struct wcd9xxx_irq_drv_data {
+	struct irq_domain *domain;
+	int irq;
 };
+#endif
 
-static struct wcd9xxx_irq wcd9xxx_irqs[TABLA_NUM_IRQS] = {
-	[0] = { .level = 1},
-/* All other wcd9xxx interrupts are edge triggered */
-};
-
-static inline int irq_to_wcd9xxx_irq(struct wcd9xxx *wcd9xxx, int irq)
-{
-	return irq - wcd9xxx->irq_base;
-}
+static int virq_to_phyirq(struct wcd9xxx *wcd9xxx, int virq);
+static int phyirq_to_virq(struct wcd9xxx *wcd9xxx, int irq);
+static unsigned int wcd9xxx_irq_get_upstream_irq(struct wcd9xxx *wcd9xxx);
+static void wcd9xxx_irq_put_upstream_irq(struct wcd9xxx *wcd9xxx);
+static int wcd9xxx_map_irq(struct wcd9xxx *wcd9xxx, int irq);
 
 static void wcd9xxx_irq_lock(struct irq_data *data)
 {
@@ -58,8 +62,9 @@
 		 */
 		if (wcd9xxx->irq_masks_cur[i] != wcd9xxx->irq_masks_cache[i]) {
 			wcd9xxx->irq_masks_cache[i] = wcd9xxx->irq_masks_cur[i];
-			wcd9xxx_reg_write(wcd9xxx, TABLA_A_INTR_MASK0+i,
-				wcd9xxx->irq_masks_cur[i]);
+			wcd9xxx_reg_write(wcd9xxx,
+					  WCD9XXX_A_INTR_MASK0 + i,
+					  wcd9xxx->irq_masks_cur[i]);
 		}
 	}
 
@@ -69,7 +74,7 @@
 static void wcd9xxx_irq_enable(struct irq_data *data)
 {
 	struct wcd9xxx *wcd9xxx = irq_data_get_irq_chip_data(data);
-	int wcd9xxx_irq = irq_to_wcd9xxx_irq(wcd9xxx, data->irq);
+	int wcd9xxx_irq = virq_to_phyirq(wcd9xxx, data->irq);
 	wcd9xxx->irq_masks_cur[BIT_BYTE(wcd9xxx_irq)] &=
 		~(BYTE_BIT_MASK(wcd9xxx_irq));
 }
@@ -77,9 +82,14 @@
 static void wcd9xxx_irq_disable(struct irq_data *data)
 {
 	struct wcd9xxx *wcd9xxx = irq_data_get_irq_chip_data(data);
-	int wcd9xxx_irq = irq_to_wcd9xxx_irq(wcd9xxx, data->irq);
+	int wcd9xxx_irq = virq_to_phyirq(wcd9xxx, data->irq);
 	wcd9xxx->irq_masks_cur[BIT_BYTE(wcd9xxx_irq)]
-			|= BYTE_BIT_MASK(wcd9xxx_irq);
+		|= BYTE_BIT_MASK(wcd9xxx_irq);
+}
+
+static void wcd9xxx_irq_mask(struct irq_data *d)
+{
+	/* do nothing but required as linux calls irq_mask without NULL check */
 }
 
 static struct irq_chip wcd9xxx_irq_chip = {
@@ -88,6 +98,7 @@
 	.irq_bus_sync_unlock = wcd9xxx_irq_sync_unlock,
 	.irq_disable = wcd9xxx_irq_disable,
 	.irq_enable = wcd9xxx_irq_enable,
+	.irq_mask = wcd9xxx_irq_mask,
 };
 
 enum wcd9xxx_pm_state wcd9xxx_pm_cmpxchg(struct wcd9xxx *wcd9xxx,
@@ -167,62 +178,72 @@
 
 static void wcd9xxx_irq_dispatch(struct wcd9xxx *wcd9xxx, int irqbit)
 {
-	if ((irqbit <= TABLA_IRQ_MBHC_INSERTION) &&
-	    (irqbit >= TABLA_IRQ_MBHC_REMOVAL)) {
-		wcd9xxx_reg_write(wcd9xxx, TABLA_A_INTR_CLEAR0 +
-				  BIT_BYTE(irqbit), BYTE_BIT_MASK(irqbit));
+	if ((irqbit <= WCD9XXX_IRQ_MBHC_INSERTION) &&
+	    (irqbit >= WCD9XXX_IRQ_MBHC_REMOVAL)) {
+		wcd9xxx_reg_write(wcd9xxx, WCD9XXX_A_INTR_CLEAR0 +
+					   BIT_BYTE(irqbit),
+				  BYTE_BIT_MASK(irqbit));
 		if (wcd9xxx_get_intf_type() == WCD9XXX_INTERFACE_TYPE_I2C)
-			wcd9xxx_reg_write(wcd9xxx, TABLA_A_INTR_MODE, 0x02);
-		handle_nested_irq(wcd9xxx->irq_base + irqbit);
+			wcd9xxx_reg_write(wcd9xxx, WCD9XXX_A_INTR_MODE, 0x02);
+		handle_nested_irq(phyirq_to_virq(wcd9xxx, irqbit));
 	} else {
-		handle_nested_irq(wcd9xxx->irq_base + irqbit);
-		wcd9xxx_reg_write(wcd9xxx, TABLA_A_INTR_CLEAR0 +
-				  BIT_BYTE(irqbit), BYTE_BIT_MASK(irqbit));
+		handle_nested_irq(phyirq_to_virq(wcd9xxx, irqbit));
+		wcd9xxx_reg_write(wcd9xxx, WCD9XXX_A_INTR_CLEAR0 +
+					   BIT_BYTE(irqbit),
+				  BYTE_BIT_MASK(irqbit));
 		if (wcd9xxx_get_intf_type() == WCD9XXX_INTERFACE_TYPE_I2C)
-			wcd9xxx_reg_write(wcd9xxx, TABLA_A_INTR_MODE, 0x02);
+			wcd9xxx_reg_write(wcd9xxx, WCD9XXX_A_INTR_MODE, 0x02);
 	}
 }
 
+static int wcd9xxx_num_irq_regs(const struct wcd9xxx *wcd9xxx)
+{
+	return (wcd9xxx->num_irqs / 8) + ((wcd9xxx->num_irqs % 8) ? 1 : 0);
+}
+
 static irqreturn_t wcd9xxx_irq_thread(int irq, void *data)
 {
 	int ret;
-	struct wcd9xxx *wcd9xxx = data;
-	u8 status[WCD9XXX_NUM_IRQ_REGS];
 	int i;
+	struct wcd9xxx *wcd9xxx = data;
+	int num_irq_regs = wcd9xxx_num_irq_regs(wcd9xxx);
+	u8 status[num_irq_regs];
 
 	if (unlikely(wcd9xxx_lock_sleep(wcd9xxx) == false)) {
 		dev_err(wcd9xxx->dev, "Failed to hold suspend\n");
 		return IRQ_NONE;
 	}
-	ret = wcd9xxx_bulk_read(wcd9xxx, TABLA_A_INTR_STATUS0,
-			       WCD9XXX_NUM_IRQ_REGS, status);
+	ret = wcd9xxx_bulk_read(wcd9xxx, WCD9XXX_A_INTR_STATUS0,
+				num_irq_regs, status);
 	if (ret < 0) {
 		dev_err(wcd9xxx->dev, "Failed to read interrupt status: %d\n",
 			ret);
 		wcd9xxx_unlock_sleep(wcd9xxx);
 		return IRQ_NONE;
 	}
+
 	/* Apply masking */
-	for (i = 0; i < WCD9XXX_NUM_IRQ_REGS; i++)
+	for (i = 0; i < num_irq_regs; i++)
 		status[i] &= ~wcd9xxx->irq_masks_cur[i];
 
 	/* Find out which interrupt was triggered and call that interrupt's
 	 * handler function
 	 */
-	if (status[BIT_BYTE(TABLA_IRQ_SLIMBUS)] &
-	    BYTE_BIT_MASK(TABLA_IRQ_SLIMBUS))
-		wcd9xxx_irq_dispatch(wcd9xxx, TABLA_IRQ_SLIMBUS);
+	if (status[BIT_BYTE(WCD9XXX_IRQ_SLIMBUS)] &
+	    BYTE_BIT_MASK(WCD9XXX_IRQ_SLIMBUS))
+		wcd9xxx_irq_dispatch(wcd9xxx, WCD9XXX_IRQ_SLIMBUS);
 
 	/* Since codec has only one hardware irq line which is shared by
 	 * codec's different internal interrupts, so it's possible master irq
 	 * handler dispatches multiple nested irq handlers after breaking
 	 * order.  Dispatch MBHC interrupts order to follow MBHC state
 	 * machine's order */
-	for (i = TABLA_IRQ_MBHC_INSERTION; i >= TABLA_IRQ_MBHC_REMOVAL; i--) {
+	for (i = WCD9XXX_IRQ_MBHC_INSERTION;
+	     i >= WCD9XXX_IRQ_MBHC_REMOVAL; i--) {
 		if (status[BIT_BYTE(i)] & BYTE_BIT_MASK(i))
 			wcd9xxx_irq_dispatch(wcd9xxx, i);
 	}
-	for (i = TABLA_IRQ_BG_PRECHARGE; i < TABLA_NUM_IRQS; i++) {
+	for (i = WCD9XXX_IRQ_BG_PRECHARGE; i < wcd9xxx->num_irqs; i++) {
 		if (status[BIT_BYTE(i)] & BYTE_BIT_MASK(i))
 			wcd9xxx_irq_dispatch(wcd9xxx, i);
 	}
@@ -231,59 +252,105 @@
 	return IRQ_HANDLED;
 }
 
+void wcd9xxx_free_irq(struct wcd9xxx *wcd9xxx, int irq, void *data)
+{
+	free_irq(phyirq_to_virq(wcd9xxx, irq), data);
+}
+
+void wcd9xxx_enable_irq(struct wcd9xxx *wcd9xxx, int irq)
+{
+	enable_irq(phyirq_to_virq(wcd9xxx, irq));
+}
+
+void wcd9xxx_disable_irq(struct wcd9xxx *wcd9xxx, int irq)
+{
+	disable_irq_nosync(phyirq_to_virq(wcd9xxx, irq));
+}
+
+void wcd9xxx_disable_irq_sync(struct wcd9xxx *wcd9xxx, int irq)
+{
+	disable_irq(phyirq_to_virq(wcd9xxx, irq));
+}
+
+static int wcd9xxx_irq_setup_downstream_irq(struct wcd9xxx *wcd9xxx)
+{
+	int irq, virq, ret;
+
+	pr_debug("%s: enter\n", __func__);
+
+	for (irq = 0; irq < wcd9xxx->num_irqs; irq++) {
+		/* Map OF irq */
+		virq = wcd9xxx_map_irq(wcd9xxx, irq);
+		pr_debug("%s: irq %d -> %d\n", __func__, irq, virq);
+		if (virq == NO_IRQ) {
+			pr_err("%s, No interrupt specifier for irq %d\n",
+			       __func__, irq);
+			return NO_IRQ;
+		}
+
+		ret = irq_set_chip_data(virq, wcd9xxx);
+		if (ret) {
+			pr_err("%s: Failed to configure irq %d (%d)\n",
+			       __func__, irq, ret);
+			return ret;
+		}
+
+		if (wcd9xxx->irq_level_high[irq])
+			irq_set_chip_and_handler(virq, &wcd9xxx_irq_chip,
+						 handle_level_irq);
+		else
+			irq_set_chip_and_handler(virq, &wcd9xxx_irq_chip,
+						 handle_edge_irq);
+
+		irq_set_nested_thread(virq, 1);
+	}
+
+	pr_debug("%s: leave\n", __func__);
+
+	return 0;
+}
+
 int wcd9xxx_irq_init(struct wcd9xxx *wcd9xxx)
 {
-	int ret;
-	unsigned int i, cur_irq;
+	int i, ret;
+	u8 irq_level[wcd9xxx_num_irq_regs(wcd9xxx)];
 
 	mutex_init(&wcd9xxx->irq_lock);
 
+	wcd9xxx->irq = wcd9xxx_irq_get_upstream_irq(wcd9xxx);
 	if (!wcd9xxx->irq) {
-		dev_warn(wcd9xxx->dev,
-			 "No interrupt specified, no interrupts\n");
-		wcd9xxx->irq_base = 0;
-		return 0;
+		pr_warn("%s: irq driver is not yet initialized\n", __func__);
+		mutex_destroy(&wcd9xxx->irq_lock);
+		return -EPROBE_DEFER;
+	}
+	pr_debug("%s: probed irq %d\n", __func__, wcd9xxx->irq);
+
+	/* Setup downstream IRQs */
+	ret = wcd9xxx_irq_setup_downstream_irq(wcd9xxx);
+	if (ret) {
+		pr_err("%s: Failed to setup downstream IRQ\n", __func__);
+		wcd9xxx_irq_put_upstream_irq(wcd9xxx);
+		return ret;
 	}
 
-	if (!wcd9xxx->irq_base) {
-		dev_err(wcd9xxx->dev,
-			"No interrupt base specified, no interrupts\n");
-		return 0;
-	}
-	/* Mask the individual interrupt sources */
-	for (i = 0, cur_irq = wcd9xxx->irq_base; i < TABLA_NUM_IRQS; i++,
-		cur_irq++) {
+	/* All other wcd9xxx interrupts are edge triggered */
+	wcd9xxx->irq_level_high[0] = true;
 
-		irq_set_chip_data(cur_irq, wcd9xxx);
-
-		if (wcd9xxx_irqs[i].level)
-			irq_set_chip_and_handler(cur_irq, &wcd9xxx_irq_chip,
-					 handle_level_irq);
-		else
-			irq_set_chip_and_handler(cur_irq, &wcd9xxx_irq_chip,
-					 handle_edge_irq);
-
-		irq_set_nested_thread(cur_irq, 1);
-
-		/* ARM needs us to explicitly flag the IRQ as valid
-		 * and will set them noprobe when we do so. */
-#ifdef CONFIG_ARM
-		set_irq_flags(cur_irq, IRQF_VALID);
-#else
-		set_irq_noprobe(cur_irq);
-#endif
-
+	/* mask all the interrupts */
+	memset(irq_level, 0, wcd9xxx_num_irq_regs(wcd9xxx));
+	for (i = 0; i < wcd9xxx->num_irqs; i++) {
 		wcd9xxx->irq_masks_cur[BIT_BYTE(i)] |= BYTE_BIT_MASK(i);
 		wcd9xxx->irq_masks_cache[BIT_BYTE(i)] |= BYTE_BIT_MASK(i);
-		wcd9xxx->irq_level[BIT_BYTE(i)] |= wcd9xxx_irqs[i].level <<
-			(i % BITS_PER_BYTE);
+		irq_level[BIT_BYTE(i)] |=
+		    wcd9xxx->irq_level_high[i] << (i % BITS_PER_BYTE);
 	}
-	for (i = 0; i < WCD9XXX_NUM_IRQ_REGS; i++) {
+
+	for (i = 0; i < wcd9xxx_num_irq_regs(wcd9xxx); i++) {
 		/* Initialize interrupt mask and level registers */
-		wcd9xxx_reg_write(wcd9xxx, TABLA_A_INTR_LEVEL0 + i,
-			wcd9xxx->irq_level[i]);
-		wcd9xxx_reg_write(wcd9xxx, TABLA_A_INTR_MASK0 + i,
-			wcd9xxx->irq_masks_cur[i]);
+		wcd9xxx_reg_write(wcd9xxx, WCD9XXX_A_INTR_LEVEL0 + i,
+				  irq_level[i]);
+		wcd9xxx_reg_write(wcd9xxx, WCD9XXX_A_INTR_MASK0 + i,
+				  wcd9xxx->irq_masks_cur[i]);
 	}
 
 	ret = request_threaded_irq(wcd9xxx->irq, NULL, wcd9xxx_irq_thread,
@@ -308,18 +375,226 @@
 			free_irq(wcd9xxx->irq, wcd9xxx);
 	}
 
-	if (ret)
+	if (ret) {
+		pr_err("%s: Failed to init wcd9xxx irq\n", __func__);
+		wcd9xxx_irq_put_upstream_irq(wcd9xxx);
 		mutex_destroy(&wcd9xxx->irq_lock);
+	}
 
 	return ret;
 }
 
+int wcd9xxx_request_irq(struct wcd9xxx *wcd9xxx, int irq, irq_handler_t handler,
+			const char *name, void *data)
+{
+	int virq;
+
+	virq = phyirq_to_virq(wcd9xxx, irq);
+
+	/*
+	 * ARM needs us to explicitly flag the IRQ as valid
+	 * and will set them noprobe when we do so.
+	 */
+#ifdef CONFIG_ARM
+	set_irq_flags(virq, IRQF_VALID);
+#else
+	set_irq_noprobe(virq);
+#endif
+
+	return request_threaded_irq(virq, NULL, handler, IRQF_TRIGGER_RISING,
+				    name, data);
+}
+
 void wcd9xxx_irq_exit(struct wcd9xxx *wcd9xxx)
 {
 	if (wcd9xxx->irq) {
 		disable_irq_wake(wcd9xxx->irq);
 		free_irq(wcd9xxx->irq, wcd9xxx);
+		/* Release parent's of node */
+		wcd9xxx_irq_put_upstream_irq(wcd9xxx);
 		device_init_wakeup(wcd9xxx->dev, 0);
 	}
 	mutex_destroy(&wcd9xxx->irq_lock);
 }
+
+#ifndef CONFIG_OF
+static int phyirq_to_virq(struct wcd9xxx *wcd9xxx, int offset)
+{
+	return wcd9xxx->irq_base + offset;
+}
+
+static int virq_to_phyirq(struct wcd9xxx *wcd9xxx, int virq)
+{
+	return virq - wcd9xxx->irq_base;
+}
+
+static unsigned int wcd9xxx_irq_get_upstream_irq(struct wcd9xxx *wcd9xxx)
+{
+	return wcd9xxx->irq;
+}
+
+static void wcd9xxx_irq_put_upstream_irq(struct wcd9xxx *wcd9xxx)
+{
+	/* Do nothing */
+}
+
+static int wcd9xxx_map_irq(struct wcd9xxx *wcd9xxx, int irq)
+{
+	return phyirq_to_virq(wcd9xxx, irq);
+}
+#else
+int __init wcd9xxx_irq_of_init(struct device_node *node,
+			       struct device_node *parent)
+{
+	struct wcd9xxx_irq_drv_data *data;
+
+	pr_debug("%s: node %s, node parent %s\n", __func__,
+		 node->name, node->parent->name);
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	/*
+	 * wcd9xxx_intc interrupt controller supports N to N irq mapping with
+	 * single cell binding with irq numbers(offsets) only.
+	 * Use irq_domain_simple_ops that has irq_domain_simple_map and
+	 * irq_domain_xlate_onetwocell.
+	 */
+	data->domain = irq_domain_add_linear(node, WCD9XXX_MAX_NUM_IRQS,
+					     &irq_domain_simple_ops, data);
+	if (!data->domain) {
+		kfree(data);
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static struct wcd9xxx_irq_drv_data *
+wcd9xxx_get_irq_drv_d(const struct wcd9xxx *wcd9xxx)
+{
+	struct device_node *pnode;
+	struct irq_domain *domain;
+
+	pnode = of_irq_find_parent(wcd9xxx->dev->of_node);
+	/* Shouldn't happen */
+	if (unlikely(!pnode))
+		return NULL;
+
+	domain = irq_find_host(pnode);
+	return (struct wcd9xxx_irq_drv_data *)domain->host_data;
+}
+
+static int phyirq_to_virq(struct wcd9xxx *wcd9xxx, int offset)
+{
+	struct wcd9xxx_irq_drv_data *data;
+
+	data = wcd9xxx_get_irq_drv_d(wcd9xxx);
+	if (!data) {
+		pr_warn("%s: not registered to interrupt controller\n",
+			__func__);
+		return -EINVAL;
+	}
+	return irq_linear_revmap(data->domain, offset);
+}
+
+static int virq_to_phyirq(struct wcd9xxx *wcd9xxx, int virq)
+{
+	struct irq_data *irq_data = irq_get_irq_data(virq);
+	return irq_data->hwirq;
+}
+
+static unsigned int wcd9xxx_irq_get_upstream_irq(struct wcd9xxx *wcd9xxx)
+{
+	struct wcd9xxx_irq_drv_data *data;
+
+	/* Hold parent's of node */
+	if (!of_node_get(of_irq_find_parent(wcd9xxx->dev->of_node)))
+		return -EINVAL;
+
+	data = wcd9xxx_get_irq_drv_d(wcd9xxx);
+	if (!data) {
+		pr_err("%s: interrupt controller is not registerd\n", __func__);
+		return 0;
+	}
+
+	rmb();
+	return data->irq;
+}
+
+static void wcd9xxx_irq_put_upstream_irq(struct wcd9xxx *wcd9xxx)
+{
+	/* Hold parent's of node */
+	of_node_put(of_irq_find_parent(wcd9xxx->dev->of_node));
+}
+
+static int wcd9xxx_map_irq(struct wcd9xxx *wcd9xxx, int irq)
+{
+	return of_irq_to_resource(wcd9xxx->dev->of_node, irq, NULL);
+}
+
+static int __devinit wcd9xxx_irq_probe(struct platform_device *pdev)
+{
+	int irq;
+	struct irq_domain *domain;
+	struct wcd9xxx_irq_drv_data *data;
+	int ret = -EINVAL;
+
+	irq = platform_get_irq_byname(pdev, "cdc-int");
+	if (irq < 0) {
+		dev_err(&pdev->dev, "%s: Couldn't find cdc-int node(%d)\n",
+			__func__, irq);
+		return -EINVAL;
+	} else {
+		dev_dbg(&pdev->dev, "%s: virq = %d\n", __func__, irq);
+		domain = irq_find_host(pdev->dev.of_node);
+		data = (struct wcd9xxx_irq_drv_data *)domain->host_data;
+		data->irq = irq;
+		wmb();
+		ret = 0;
+	}
+
+	return ret;
+}
+
+static int wcd9xxx_irq_remove(struct platform_device *pdev)
+{
+	struct irq_domain *domain;
+	struct wcd9xxx_irq_drv_data *data;
+
+	domain = irq_find_host(pdev->dev.of_node);
+	data = (struct wcd9xxx_irq_drv_data *)domain->host_data;
+	data->irq = 0;
+	wmb();
+
+	return 0;
+}
+
+static const struct of_device_id of_match[] = {
+	{ .compatible = "qcom,wcd9xxx-irq" },
+	{ }
+};
+
+static struct platform_driver wcd9xxx_irq_driver = {
+	.probe = wcd9xxx_irq_probe,
+	.remove = wcd9xxx_irq_remove,
+	.driver = {
+		.name = "wcd9xxx_intc",
+		.owner = THIS_MODULE,
+		.of_match_table = of_match_ptr(of_match),
+	},
+};
+
+static int wcd9xxx_irq_drv_init(void)
+{
+	return platform_driver_register(&wcd9xxx_irq_driver);
+}
+subsys_initcall(wcd9xxx_irq_drv_init);
+
+static void wcd9xxx_irq_drv_exit(void)
+{
+	platform_driver_unregister(&wcd9xxx_irq_driver);
+}
+module_exit(wcd9xxx_irq_drv_exit);
+#endif /* CONFIG_OF */
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index b9cd8ec..7387d9a 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -121,6 +121,7 @@
 	struct device_attribute force_ro;
 	struct device_attribute power_ro_lock;
 	struct device_attribute num_wr_reqs_to_start_packing;
+	struct device_attribute min_sectors_to_check_bkops_status;
 	int	area_type;
 };
 
@@ -306,6 +307,48 @@
 	return count;
 }
 
+static ssize_t
+min_sectors_to_check_bkops_status_show(struct device *dev,
+				  struct device_attribute *attr, char *buf)
+{
+	struct mmc_blk_data *md = mmc_blk_get(dev_to_disk(dev));
+	unsigned int min_sectors_to_check_bkops_status;
+	struct mmc_card *card = md->queue.card;
+	int ret;
+
+	if (!card)
+		return -EINVAL;
+
+	min_sectors_to_check_bkops_status =
+		card->bkops_info.min_sectors_to_queue_delayed_work;
+
+	ret = snprintf(buf, PAGE_SIZE, "%d\n",
+		       min_sectors_to_check_bkops_status);
+
+	mmc_blk_put(md);
+	return ret;
+}
+
+static ssize_t
+min_sectors_to_check_bkops_status_store(struct device *dev,
+				 struct device_attribute *attr,
+				 const char *buf, size_t count)
+{
+	int value;
+	struct mmc_blk_data *md = mmc_blk_get(dev_to_disk(dev));
+	struct mmc_card *card = md->queue.card;
+
+	if (!card)
+		return -EINVAL;
+
+	sscanf(buf, "%d", &value);
+	if (value >= 0)
+		card->bkops_info.min_sectors_to_queue_delayed_work = value;
+
+	mmc_blk_put(md);
+	return count;
+}
+
 static int mmc_blk_open(struct block_device *bdev, fmode_t mode)
 {
 	struct mmc_blk_data *md = mmc_blk_get(bdev->bd_disk);
@@ -2316,6 +2359,19 @@
 	if (ret)
 		goto power_ro_lock_fail;
 
+	md->min_sectors_to_check_bkops_status.show =
+		min_sectors_to_check_bkops_status_show;
+	md->min_sectors_to_check_bkops_status.store =
+		min_sectors_to_check_bkops_status_store;
+	sysfs_attr_init(&md->min_sectors_to_check_bkops_status.attr);
+	md->min_sectors_to_check_bkops_status.attr.name =
+		"min_sectors_to_check_bkops_status";
+	md->min_sectors_to_check_bkops_status.attr.mode = S_IRUGO | S_IWUSR;
+	ret = device_create_file(disk_to_dev(md->disk),
+				 &md->min_sectors_to_check_bkops_status);
+	if (ret)
+		goto power_ro_lock_fail;
+
 	return ret;
 
 power_ro_lock_fail:
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 9b9e8cc..7e03e5a 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -291,7 +291,7 @@
 		return;
 
 	if (card->bkops_info.sectors_changed <
-	    BKOPS_MIN_SECTORS_TO_QUEUE_DELAYED_WORK)
+	    card->bkops_info.min_sectors_to_queue_delayed_work)
 		return;
 
 	pr_debug("%s: %s: queueing delayed_bkops_work\n",
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 457db7f..ca8b01c 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1336,6 +1336,8 @@
 					card->bkops_info.delay_ms,
 				      card->bkops_info.host_suspend_tout_ms/2);
 
+			card->bkops_info.min_sectors_to_queue_delayed_work =
+				BKOPS_MIN_SECTORS_TO_QUEUE_DELAYED_WORK;
 		}
 	}
 
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 4e92dd7..061418f 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -3,7 +3,8 @@
  *
  *  Copyright (C) 2007 Google Inc,
  *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
- *  Copyright (c) 2009-2012, Code Aurora Forum. All rights reserved.
+ *  Copyright (c) 2009-2012, The Linux Foundation. All rights reserved.
+ *
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -5450,7 +5451,7 @@
 	struct mmc_platform_data *pdata;
 	struct device_node *np = dev->of_node;
 	u32 bus_width = 0, current_limit = 0;
-	u32 *clk_table, *sup_voltages;
+	u32 *clk_table = NULL, *sup_voltages = NULL;
 	int clk_table_len, sup_volt_len, len;
 
 	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
diff --git a/drivers/usb/gadget/android.c b/drivers/usb/gadget/android.c
index 817bfbb..0b1a16e 100644
--- a/drivers/usb/gadget/android.c
+++ b/drivers/usb/gadget/android.c
@@ -52,6 +52,7 @@
 #include "f_rmnet_sdio.c"
 #include "f_rmnet_smd_sdio.c"
 #include "f_rmnet.c"
+#include "f_audio_source.c"
 #include "f_mass_storage.c"
 #include "u_serial.c"
 #include "u_sdio.c"
@@ -1475,6 +1476,68 @@
 	.ctrlrequest	= accessory_function_ctrlrequest,
 };
 
+static int audio_source_function_init(struct android_usb_function *f,
+			struct usb_composite_dev *cdev)
+{
+	struct audio_source_config *config;
+
+	config = kzalloc(sizeof(struct audio_source_config), GFP_KERNEL);
+	if (!config)
+		return -ENOMEM;
+	config->card = -1;
+	config->device = -1;
+	f->config = config;
+	return 0;
+}
+
+static void audio_source_function_cleanup(struct android_usb_function *f)
+{
+	kfree(f->config);
+}
+
+static int audio_source_function_bind_config(struct android_usb_function *f,
+						struct usb_configuration *c)
+{
+	struct audio_source_config *config = f->config;
+
+	return audio_source_bind_config(c, config);
+}
+
+static void audio_source_function_unbind_config(struct android_usb_function *f,
+						struct usb_configuration *c)
+{
+	struct audio_source_config *config = f->config;
+
+	config->card = -1;
+	config->device = -1;
+}
+
+static ssize_t audio_source_pcm_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct android_usb_function *f = dev_get_drvdata(dev);
+	struct audio_source_config *config = f->config;
+
+	/* print PCM card and device numbers */
+	return sprintf(buf, "%d %d\n", config->card, config->device);
+}
+
+static DEVICE_ATTR(pcm, S_IRUGO | S_IWUSR, audio_source_pcm_show, NULL);
+
+static struct device_attribute *audio_source_function_attributes[] = {
+	&dev_attr_pcm,
+	NULL
+};
+
+static struct android_usb_function audio_source_function = {
+	.name		= "audio_source",
+	.init		= audio_source_function_init,
+	.cleanup	= audio_source_function_cleanup,
+	.bind_config	= audio_source_function_bind_config,
+	.unbind_config	= audio_source_function_unbind_config,
+	.attributes	= audio_source_function_attributes,
+};
+
 static int android_uasp_connect_cb(bool connect)
 {
 	/*
@@ -1543,6 +1606,7 @@
 	&rndis_qc_function,
 	&mass_storage_function,
 	&accessory_function,
+	&audio_source_function,
 	&uasp_function,
 	NULL
 };
@@ -2175,6 +2239,11 @@
 	unsigned long flags;
 
 	composite_disconnect(gadget);
+	/* accessory HID support can be active while the
+	   accessory function is not actually enabled,
+	   so we need to inform it when we are disconnected.
+	 */
+	acc_disconnect();
 
 	spin_lock_irqsave(&cdev->lock, flags);
 	dev->connected = 0;
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 0b0ebe7..b3cab7a 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -76,6 +76,8 @@
 
 #define DMA_ADDR_INVALID	(~(dma_addr_t)0)
 #define ATDTW_SET_DELAY		100 /* 100msec delay */
+#define EP_PRIME_CHECK_DELAY	(jiffies + msecs_to_jiffies(1000))
+#define MAX_PRIME_CHECK_RETRY	3 /*Wait for 3sec for EP prime failure */
 
 /* ctrl register bank access */
 static DEFINE_SPINLOCK(udc_lock);
@@ -498,8 +500,6 @@
 
 	hw_cwrite(CAP_ENDPTPRIME, BIT(n), BIT(n));
 
-	while (hw_cread(CAP_ENDPTPRIME, BIT(n)))
-		cpu_relax();
 	if (is_ctrl && dir == RX  && hw_cread(CAP_ENDPTSETUPSTAT, BIT(num)))
 		return -EAGAIN;
 
@@ -1006,6 +1006,44 @@
 }
 
 /**
+ * dbg_prime_fail: prints a PRIME FAIL event
+ * @addr: endpoint address
+ * @mEp:  endpoint structure
+ */
+static void dbg_prime_fail(u8 addr, const char *name,
+				const struct ci13xxx_ep *mEp)
+{
+	char msg[DBG_DATA_MSG];
+	struct ci13xxx_req *req;
+	struct list_head *ptr = NULL;
+
+	if (mEp != NULL) {
+		scnprintf(msg, sizeof(msg),
+			  "PRIME fail EP%d%s QH:%08X",
+			  mEp->num, mEp->dir ? "IN" : "OUT", mEp->qh.ptr->cap);
+		dbg_print(addr, name, 0, msg);
+		scnprintf(msg, sizeof(msg),
+				"cap:%08X %08X %08X\n",
+				mEp->qh.ptr->curr, mEp->qh.ptr->td.next,
+				mEp->qh.ptr->td.token);
+		dbg_print(addr, "QHEAD", 0, msg);
+
+		list_for_each(ptr, &mEp->qh.queue) {
+			req = list_entry(ptr, struct ci13xxx_req, queue);
+			scnprintf(msg, sizeof(msg),
+					"%08X:%08X:%08X\n",
+					req->dma, req->ptr->next,
+					req->ptr->token);
+			dbg_print(addr, "REQ", 0, msg);
+			scnprintf(msg, sizeof(msg), "%08X:%d\n",
+					req->ptr->page[0],
+					req->req.status);
+			dbg_print(addr, "REQPAGE", 0, msg);
+		}
+	}
+}
+
+/**
  * show_events: displays the event buffer
  *
  * Check "device.h" for details
@@ -1468,12 +1506,14 @@
 	n = hw_ep_bit(mEp->num, mEp->dir);
 	pr_info("%s: prime:%08x stat:%08x ep#%d dir:%s"
 			"dTD_update_fail_count: %lu "
-			"mEp->dTD_update_fail_count: %lu\n", __func__,
+			"mEp->dTD_update_fail_count: %lu"
+			"mEp->prime_fail_count: %lu\n", __func__,
 			hw_cread(CAP_ENDPTPRIME, ~0),
 			hw_cread(CAP_ENDPTSTAT, ~0),
 			mEp->num, mEp->dir ? "IN" : "OUT",
 			udc->dTD_update_fail_count,
-			mEp->dTD_update_fail_count);
+			mEp->dTD_update_fail_count,
+			mEp->prime_fail_count);
 
 	pr_info("QH: cap:%08x cur:%08x next:%08x token:%08x\n",
 			mEp->qh.ptr->cap, mEp->qh.ptr->curr,
@@ -1661,6 +1701,57 @@
 	return ((ep->dir == TX) ? USB_ENDPOINT_DIR_MASK : 0) | ep->num;
 }
 
+static void ep_prime_timer_func(unsigned long data)
+{
+	struct ci13xxx_ep *mEp = (struct ci13xxx_ep *)data;
+	struct ci13xxx_req *req;
+	struct list_head *ptr = NULL;
+	int n = hw_ep_bit(mEp->num, mEp->dir);
+	unsigned long flags;
+
+
+	spin_lock_irqsave(mEp->lock, flags);
+	if (!hw_cread(CAP_ENDPTPRIME, BIT(n)))
+		goto out;
+
+	if (list_empty(&mEp->qh.queue))
+		goto out;
+
+	req = list_entry(mEp->qh.queue.next, struct ci13xxx_req, queue);
+
+	mb();
+	if (!(TD_STATUS_ACTIVE & req->ptr->token))
+		goto out;
+
+	mEp->prime_timer_count++;
+	if (mEp->prime_timer_count == MAX_PRIME_CHECK_RETRY) {
+		mEp->prime_timer_count = 0;
+		pr_info("ep%d dir:%s QH:cap:%08x cur:%08x next:%08x tkn:%08x\n",
+				mEp->num, mEp->dir ? "IN" : "OUT",
+				mEp->qh.ptr->cap, mEp->qh.ptr->curr,
+				mEp->qh.ptr->td.next, mEp->qh.ptr->td.token);
+		list_for_each(ptr, &mEp->qh.queue) {
+			req = list_entry(ptr, struct ci13xxx_req, queue);
+			pr_info("\treq:%08xnext:%08xtkn:%08xpage0:%08xsts:%d\n",
+					req->dma, req->ptr->next,
+					req->ptr->token, req->ptr->page[0],
+					req->req.status);
+		}
+		dbg_prime_fail(0xFF, "PRIMEF", mEp);
+		mEp->prime_fail_count++;
+	} else {
+		mod_timer(&mEp->prime_timer, EP_PRIME_CHECK_DELAY);
+	}
+
+	spin_unlock_irqrestore(mEp->lock, flags);
+	return;
+
+out:
+	mEp->prime_timer_count = 0;
+	spin_unlock_irqrestore(mEp->lock, flags);
+
+}
+
 /**
  * _hardware_queue: configures a request at hardware level
  * @gadget: gadget
@@ -1852,6 +1943,8 @@
 
 	ret = hw_ep_prime(mEp->num, mEp->dir,
 			   mEp->type == USB_ENDPOINT_XFER_CONTROL);
+	if (!ret)
+		mod_timer(&mEp->prime_timer, EP_PRIME_CHECK_DELAY);
 done:
 	return ret;
 }
@@ -2300,6 +2393,8 @@
 	if (list_empty(&mEp->qh.queue))
 		return 0;
 
+	del_timer(&mEp->prime_timer);
+	mEp->prime_timer_count = 0;
 	list_for_each_entry_safe(mReq, mReqTemp, &mEp->qh.queue,
 			queue) {
 dequeue:
@@ -2650,6 +2745,8 @@
 
 	/* only internal SW should disable ctrl endpts */
 
+	del_timer(&mEp->prime_timer);
+	mEp->prime_timer_count = 0;
 	direction = mEp->dir;
 	do {
 		dbg_event(_usb_addr(mEp), "DISABLE", 0);
@@ -2962,6 +3059,8 @@
 
 	spin_lock_irqsave(mEp->lock, flags);
 
+	del_timer(&mEp->prime_timer);
+	mEp->prime_timer_count = 0;
 	dbg_event(_usb_addr(mEp), "FFLUSH", 0);
 	hw_ep_flush(mEp->num, mEp->dir);
 
@@ -3434,6 +3533,8 @@
 	for (i = 0; i < hw_ep_max; i++) {
 		struct ci13xxx_ep *mEp = &udc->ci13xxx_ep[i];
 		INIT_LIST_HEAD(&mEp->ep.ep_list);
+		setup_timer(&mEp->prime_timer, ep_prime_timer_func,
+			(unsigned long) mEp);
 	}
 
 	if (!(udc->udc_driver->flags & CI13XXX_REGS_SHARED)) {
diff --git a/drivers/usb/gadget/ci13xxx_udc.h b/drivers/usb/gadget/ci13xxx_udc.h
index d67ad7c..6b3cad8 100644
--- a/drivers/usb/gadget/ci13xxx_udc.h
+++ b/drivers/usb/gadget/ci13xxx_udc.h
@@ -108,6 +108,9 @@
 	struct device                         *device;
 	struct dma_pool                       *td_pool;
 	unsigned long dTD_update_fail_count;
+	unsigned long			      prime_fail_count;
+	int				      prime_timer_count;
+	struct timer_list		      prime_timer;
 };
 
 struct ci13xxx;
diff --git a/drivers/usb/gadget/f_accessory.c b/drivers/usb/gadget/f_accessory.c
index 0353848..42a6c43 100644
--- a/drivers/usb/gadget/f_accessory.c
+++ b/drivers/usb/gadget/f_accessory.c
@@ -33,6 +33,8 @@
 #include <linux/device.h>
 #include <linux/miscdevice.h>
 
+#include <linux/hid.h>
+#include <linux/hiddev.h>
 #include <linux/usb.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/f_accessory.h>
@@ -49,6 +51,20 @@
 #define TX_REQ_MAX 4
 #define RX_REQ_MAX 2
 
+struct acc_hid_dev {
+	struct list_head	list;
+	struct hid_device *hid;
+	struct acc_dev *dev;
+	/* accessory defined ID */
+	int id;
+	/* HID report descriptor */
+	u8 *report_desc;
+	/* length of HID report descriptor */
+	int report_desc_len;
+	/* number of bytes of report_desc we have received so far */
+	int report_desc_offset;
+};
+
 struct acc_dev {
 	struct usb_function function;
 	struct usb_composite_dev *cdev;
@@ -89,7 +105,21 @@
 	wait_queue_head_t write_wq;
 	struct usb_request *rx_req[RX_REQ_MAX];
 	int rx_done;
-	struct delayed_work work;
+
+	/* delayed work for handling ACCESSORY_START */
+	struct delayed_work start_work;
+
+	/* worker for registering and unregistering hid devices */
+	struct work_struct hid_work;
+
+	/* list of active HID devices */
+	struct list_head	hid_list;
+
+	/* list of new HID devices to register */
+	struct list_head	new_hid_list;
+
+	/* list of dead HID devices to unregister */
+	struct list_head	dead_hid_list;
 };
 
 static struct usb_interface_descriptor acc_interface_desc = {
@@ -298,6 +328,160 @@
 	}
 }
 
+static void acc_complete_set_hid_report_desc(struct usb_ep *ep,
+		struct usb_request *req)
+{
+	struct acc_hid_dev *hid = req->context;
+	struct acc_dev *dev = hid->dev;
+	int length = req->actual;
+
+	if (req->status != 0) {
+		pr_err("acc_complete_set_hid_report_desc, err %d\n",
+			req->status);
+		return;
+	}
+
+	memcpy(hid->report_desc + hid->report_desc_offset, req->buf, length);
+	hid->report_desc_offset += length;
+	if (hid->report_desc_offset == hid->report_desc_len) {
+		/* After we have received the entire report descriptor
+		 * we schedule work to initialize the HID device
+		 */
+		schedule_work(&dev->hid_work);
+	}
+}
+
+static void acc_complete_send_hid_event(struct usb_ep *ep,
+		struct usb_request *req)
+{
+	struct acc_hid_dev *hid = req->context;
+	int length = req->actual;
+
+	if (req->status != 0) {
+		pr_err("acc_complete_send_hid_event, err %d\n", req->status);
+		return;
+	}
+
+	hid_report_raw_event(hid->hid, HID_INPUT_REPORT, req->buf, length, 1);
+}
+
+static int acc_hid_parse(struct hid_device *hid)
+{
+	struct acc_hid_dev *hdev = hid->driver_data;
+
+	hid_parse_report(hid, hdev->report_desc, hdev->report_desc_len);
+	return 0;
+}
+
+static int acc_hid_start(struct hid_device *hid)
+{
+	return 0;
+}
+
+static void acc_hid_stop(struct hid_device *hid)
+{
+}
+
+static int acc_hid_open(struct hid_device *hid)
+{
+	return 0;
+}
+
+static void acc_hid_close(struct hid_device *hid)
+{
+}
+
+static struct hid_ll_driver acc_hid_ll_driver = {
+	.parse = acc_hid_parse,
+	.start = acc_hid_start,
+	.stop = acc_hid_stop,
+	.open = acc_hid_open,
+	.close = acc_hid_close,
+};
+
+static struct acc_hid_dev *acc_hid_new(struct acc_dev *dev,
+		int id, int desc_len)
+{
+	struct acc_hid_dev *hdev;
+
+	hdev = kzalloc(sizeof(*hdev), GFP_ATOMIC);
+	if (!hdev)
+		return NULL;
+	hdev->report_desc = kzalloc(desc_len, GFP_ATOMIC);
+	if (!hdev->report_desc) {
+		kfree(hdev);
+		return NULL;
+	}
+	hdev->dev = dev;
+	hdev->id = id;
+	hdev->report_desc_len = desc_len;
+
+	return hdev;
+}
+
+static struct acc_hid_dev *acc_hid_get(struct list_head *list, int id)
+{
+	struct acc_hid_dev *hid;
+
+	list_for_each_entry(hid, list, list) {
+		if (hid->id == id)
+			return hid;
+	}
+	return NULL;
+}
+
+static int acc_register_hid(struct acc_dev *dev, int id, int desc_length)
+{
+	struct acc_hid_dev *hid;
+	unsigned long flags;
+
+	/* report descriptor length must be > 0 */
+	if (desc_length <= 0)
+		return -EINVAL;
+
+	spin_lock_irqsave(&dev->lock, flags);
+	/* replace HID if one already exists with this ID */
+	hid = acc_hid_get(&dev->hid_list, id);
+	if (!hid)
+		hid = acc_hid_get(&dev->new_hid_list, id);
+	if (hid)
+		list_move(&hid->list, &dev->dead_hid_list);
+
+	hid = acc_hid_new(dev, id, desc_length);
+	if (!hid) {
+		spin_unlock_irqrestore(&dev->lock, flags);
+		return -ENOMEM;
+	}
+
+	list_add(&hid->list, &dev->new_hid_list);
+	spin_unlock_irqrestore(&dev->lock, flags);
+
+	/* schedule work to register the HID device */
+	schedule_work(&dev->hid_work);
+	return 0;
+}
+
+static int acc_unregister_hid(struct acc_dev *dev, int id)
+{
+	struct acc_hid_dev *hid;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->lock, flags);
+	hid = acc_hid_get(&dev->hid_list, id);
+	if (!hid)
+		hid = acc_hid_get(&dev->new_hid_list, id);
+	if (!hid) {
+		spin_unlock_irqrestore(&dev->lock, flags);
+		return -EINVAL;
+	}
+
+	list_move(&hid->list, &dev->dead_hid_list);
+	spin_unlock_irqrestore(&dev->lock, flags);
+
+	schedule_work(&dev->hid_work);
+	return 0;
+}
+
 static int create_bulk_endpoints(struct acc_dev *dev,
 				struct usb_endpoint_descriptor *in_desc,
 				struct usb_endpoint_descriptor *out_desc)
@@ -355,7 +539,7 @@
 	return 0;
 
 fail:
-	printk(KERN_ERR "acc_bind() could not allocate requests\n");
+	pr_err("acc_bind() could not allocate requests\n");
 	while ((req = req_get(dev, &dev->tx_idle)))
 		acc_request_free(req, dev->ep_in);
 	for (i = 0; i < RX_REQ_MAX; i++)
@@ -544,7 +728,7 @@
 	return 0;
 }
 
-/* file operations for /dev/acc_usb */
+/* file operations for /dev/usb_accessory */
 static const struct file_operations acc_fops = {
 	.owner = THIS_MODULE,
 	.read = acc_read,
@@ -554,23 +738,47 @@
 	.release = acc_release,
 };
 
+static int acc_hid_probe(struct hid_device *hdev,
+		const struct hid_device_id *id)
+{
+	int ret;
+
+	ret = hid_parse(hdev);
+	if (ret)
+		return ret;
+	return hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+}
+
 static struct miscdevice acc_device = {
 	.minor = MISC_DYNAMIC_MINOR,
 	.name = "usb_accessory",
 	.fops = &acc_fops,
 };
 
+static const struct hid_device_id acc_hid_table[] = {
+	{ HID_USB_DEVICE(HID_ANY_ID, HID_ANY_ID) },
+	{ }
+};
+
+static struct hid_driver acc_hid_driver = {
+	.name = "USB accessory",
+	.id_table = acc_hid_table,
+	.probe = acc_hid_probe,
+};
 
 static int acc_ctrlrequest(struct usb_composite_dev *cdev,
 				const struct usb_ctrlrequest *ctrl)
 {
 	struct acc_dev	*dev = _acc_dev;
 	int	value = -EOPNOTSUPP;
+	struct acc_hid_dev *hid;
+	int offset;
 	u8 b_requestType = ctrl->bRequestType;
 	u8 b_request = ctrl->bRequest;
 	u16	w_index = le16_to_cpu(ctrl->wIndex);
 	u16	w_value = le16_to_cpu(ctrl->wValue);
 	u16	w_length = le16_to_cpu(ctrl->wLength);
+	unsigned long flags;
 
 /*
 	printk(KERN_INFO "acc_ctrlrequest "
@@ -583,7 +791,7 @@
 		if (b_request == ACCESSORY_START) {
 			dev->start_requested = 1;
 			schedule_delayed_work(
-				&dev->work, msecs_to_jiffies(10));
+				&dev->start_work, msecs_to_jiffies(10));
 			value = 0;
 		} else if (b_request == ACCESSORY_SEND_STRING) {
 			dev->string_index = w_index;
@@ -594,13 +802,45 @@
 				w_index == 0 && w_length == 0) {
 			dev->audio_mode = w_value;
 			value = 0;
+		} else if (b_request == ACCESSORY_REGISTER_HID) {
+			value = acc_register_hid(dev, w_value, w_index);
+		} else if (b_request == ACCESSORY_UNREGISTER_HID) {
+			value = acc_unregister_hid(dev, w_value);
+		} else if (b_request == ACCESSORY_SET_HID_REPORT_DESC) {
+			spin_lock_irqsave(&dev->lock, flags);
+			hid = acc_hid_get(&dev->new_hid_list, w_value);
+			spin_unlock_irqrestore(&dev->lock, flags);
+			if (!hid) {
+				value = -EINVAL;
+				goto err;
+			}
+			offset = w_index;
+			if (offset != hid->report_desc_offset
+				|| offset + w_length > hid->report_desc_len) {
+				value = -EINVAL;
+				goto err;
+			}
+			cdev->req->context = hid;
+			cdev->req->complete = acc_complete_set_hid_report_desc;
+			value = w_length;
+		} else if (b_request == ACCESSORY_SEND_HID_EVENT) {
+			spin_lock_irqsave(&dev->lock, flags);
+			hid = acc_hid_get(&dev->hid_list, w_value);
+			spin_unlock_irqrestore(&dev->lock, flags);
+			if (!hid) {
+				value = -EINVAL;
+				goto err;
+			}
+			cdev->req->context = hid;
+			cdev->req->complete = acc_complete_send_hid_event;
+			value = w_length;
 		}
 	} else if (b_requestType == (USB_DIR_IN | USB_TYPE_VENDOR)) {
 		if (b_request == ACCESSORY_GET_PROTOCOL) {
 			*((u16 *)cdev->req->buf) = PROTOCOL_VERSION;
 			value = sizeof(u16);
 
-			/* clear any string left over from a previous session */
+			/* clear strings left over from a previous session */
 			memset(dev->manufacturer, 0, sizeof(dev->manufacturer));
 			memset(dev->model, 0, sizeof(dev->model));
 			memset(dev->description, 0, sizeof(dev->description));
@@ -621,6 +861,7 @@
 				__func__);
 	}
 
+err:
 	if (value == -EOPNOTSUPP)
 		VDBG(cdev,
 			"unknown class-specific control req "
@@ -640,6 +881,10 @@
 
 	DBG(cdev, "acc_function_bind dev: %p\n", dev);
 
+	ret = hid_register_driver(&acc_hid_driver);
+	if (ret)
+		return ret;
+
 	dev->start_requested = 0;
 
 	/* allocate interface ID(s) */
@@ -669,6 +914,36 @@
 }
 
 static void
+kill_all_hid_devices(struct acc_dev *dev)
+{
+	struct acc_hid_dev *hid;
+	struct list_head *entry, *temp;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->lock, flags);
+	list_for_each_safe(entry, temp, &dev->hid_list) {
+		hid = list_entry(entry, struct acc_hid_dev, list);
+		list_del(&hid->list);
+		list_add(&hid->list, &dev->dead_hid_list);
+	}
+	list_for_each_safe(entry, temp, &dev->new_hid_list) {
+		hid = list_entry(entry, struct acc_hid_dev, list);
+		list_del(&hid->list);
+		list_add(&hid->list, &dev->dead_hid_list);
+	}
+	spin_unlock_irqrestore(&dev->lock, flags);
+
+	schedule_work(&dev->hid_work);
+}
+
+static void
+acc_hid_unbind(struct acc_dev *dev)
+{
+	hid_unregister_driver(&acc_hid_driver);
+	kill_all_hid_devices(dev);
+}
+
+static void
 acc_function_unbind(struct usb_configuration *c, struct usb_function *f)
 {
 	struct acc_dev	*dev = func_to_dev(f);
@@ -679,14 +954,104 @@
 		acc_request_free(req, dev->ep_in);
 	for (i = 0; i < RX_REQ_MAX; i++)
 		acc_request_free(dev->rx_req[i], dev->ep_out);
+
+	acc_hid_unbind(dev);
 }
 
-static void acc_work(struct work_struct *data)
+static void acc_start_work(struct work_struct *data)
 {
 	char *envp[2] = { "ACCESSORY=START", NULL };
 	kobject_uevent_env(&acc_device.this_device->kobj, KOBJ_CHANGE, envp);
 }
 
+static int acc_hid_init(struct acc_hid_dev *hdev)
+{
+	struct hid_device *hid;
+	int ret;
+
+	hid = hid_allocate_device();
+	if (IS_ERR(hid))
+		return PTR_ERR(hid);
+
+	hid->ll_driver = &acc_hid_ll_driver;
+	hid->dev.parent = acc_device.this_device;
+
+	hid->bus = BUS_USB;
+	hid->vendor = HID_ANY_ID;
+	hid->product = HID_ANY_ID;
+	hid->driver_data = hdev;
+	ret = hid_add_device(hid);
+	if (ret) {
+		pr_err("can't add hid device: %d\n", ret);
+		hid_destroy_device(hid);
+		return ret;
+	}
+
+	hdev->hid = hid;
+	return 0;
+}
+
+static void acc_hid_delete(struct acc_hid_dev *hid)
+{
+	kfree(hid->report_desc);
+	kfree(hid);
+}
+
+static void acc_hid_work(struct work_struct *data)
+{
+	struct acc_dev *dev = _acc_dev;
+	struct list_head	*entry, *temp;
+	struct acc_hid_dev *hid;
+	struct list_head	new_list, dead_list;
+	unsigned long flags;
+
+	INIT_LIST_HEAD(&new_list);
+
+	spin_lock_irqsave(&dev->lock, flags);
+
+	/* copy hids that are ready for initialization to new_list */
+	list_for_each_safe(entry, temp, &dev->new_hid_list) {
+		hid = list_entry(entry, struct acc_hid_dev, list);
+		if (hid->report_desc_offset == hid->report_desc_len)
+			list_move(&hid->list, &new_list);
+	}
+
+	if (list_empty(&dev->dead_hid_list)) {
+		INIT_LIST_HEAD(&dead_list);
+	} else {
+		/* move all of dev->dead_hid_list to dead_list */
+		dead_list.prev = dev->dead_hid_list.prev;
+		dead_list.next = dev->dead_hid_list.next;
+		dead_list.next->prev = &dead_list;
+		dead_list.prev->next = &dead_list;
+		INIT_LIST_HEAD(&dev->dead_hid_list);
+	}
+
+	spin_unlock_irqrestore(&dev->lock, flags);
+
+	/* register new HID devices */
+	list_for_each_safe(entry, temp, &new_list) {
+		hid = list_entry(entry, struct acc_hid_dev, list);
+		if (acc_hid_init(hid)) {
+			pr_err("can't add HID device %p\n", hid);
+			acc_hid_delete(hid);
+		} else {
+			spin_lock_irqsave(&dev->lock, flags);
+			list_move(&hid->list, &dev->hid_list);
+			spin_unlock_irqrestore(&dev->lock, flags);
+		}
+	}
+
+	/* remove dead HID devices */
+	list_for_each_safe(entry, temp, &dead_list) {
+		hid = list_entry(entry, struct acc_hid_dev, list);
+		list_del(&hid->list);
+		if (hid->hid)
+			hid_destroy_device(hid->hid);
+		acc_hid_delete(hid);
+	}
+}
+
 static int acc_function_set_alt(struct usb_function *f,
 		unsigned intf, unsigned alt)
 {
@@ -792,7 +1157,11 @@
 	init_waitqueue_head(&dev->write_wq);
 	atomic_set(&dev->open_excl, 0);
 	INIT_LIST_HEAD(&dev->tx_idle);
-	INIT_DELAYED_WORK(&dev->work, acc_work);
+	INIT_LIST_HEAD(&dev->hid_list);
+	INIT_LIST_HEAD(&dev->new_hid_list);
+	INIT_LIST_HEAD(&dev->dead_hid_list);
+	INIT_DELAYED_WORK(&dev->start_work, acc_start_work);
+	INIT_WORK(&dev->hid_work, acc_hid_work);
 
 	/* _acc_dev must be set before calling usb_gadget_register_driver */
 	_acc_dev = dev;
@@ -805,10 +1174,16 @@
 
 err:
 	kfree(dev);
-	printk(KERN_ERR "USB accessory gadget driver failed to initialize\n");
+	pr_err("USB accessory gadget driver failed to initialize\n");
 	return ret;
 }
 
+static void acc_disconnect(void)
+{
+	/* unregister all HID devices if USB is disconnected */
+	kill_all_hid_devices(_acc_dev);
+}
+
 static void acc_cleanup(void)
 {
 	misc_deregister(&acc_device);
diff --git a/drivers/usb/gadget/f_audio_source.c b/drivers/usb/gadget/f_audio_source.c
new file mode 100644
index 0000000..aae941e
--- /dev/null
+++ b/drivers/usb/gadget/f_audio_source.c
@@ -0,0 +1,832 @@
+/*
+ * Gadget Function Driver for USB audio source device
+ *
+ * Copyright (C) 2012 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/device.h>
+#include <linux/usb/audio.h>
+#include <linux/wait.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/pcm.h>
+
+#define SAMPLE_RATE 44100
+#define FRAMES_PER_MSEC (SAMPLE_RATE / 1000)
+
+#define IN_EP_MAX_PACKET_SIZE	256
+
+/* Number of requests to allocate */
+#define IN_EP_REQ_COUNT 4
+
+#define AUDIO_AC_INTERFACE	0
+#define AUDIO_AS_INTERFACE	1
+#define AUDIO_NUM_INTERFACES	2
+
+/* B.3.1  Standard AC Interface Descriptor */
+static struct usb_interface_descriptor audio_source_ac_interface_desc = {
+	.bLength =		USB_DT_INTERFACE_SIZE,
+	.bDescriptorType =	USB_DT_INTERFACE,
+	.bNumEndpoints =	0,
+	.bInterfaceClass =	USB_CLASS_AUDIO,
+	.bInterfaceSubClass =	USB_SUBCLASS_AUDIOCONTROL,
+};
+
+
+#define UAC_DT_AC_HEADER_LENGTH	UAC_DT_AC_HEADER_SIZE(AUDIO_NUM_INTERFACES)
+/* 1 input terminal, 1 output terminal and 1 feature unit */
+#define UAC_DT_TOTAL_LENGTH (UAC_DT_AC_HEADER_LENGTH \
+	+ UAC_DT_INPUT_TERMINAL_SIZE + UAC_DT_OUTPUT_TERMINAL_SIZE \
+	+ UAC_DT_FEATURE_UNIT_SIZE(0))
+/* B.3.2  Class-Specific AC Interface Descriptor */
+static struct uac1_ac_header_descriptor_2 audio_source_ac_header_desc = {
+	.bLength =		UAC_DT_AC_HEADER_LENGTH,
+	.bDescriptorType =	USB_DT_CS_INTERFACE,
+	.bDescriptorSubtype =	UAC_HEADER,
+	.bcdADC =		__constant_cpu_to_le16(0x0100),
+	.wTotalLength =		__constant_cpu_to_le16(UAC_DT_TOTAL_LENGTH),
+	.bInCollection =	AUDIO_NUM_INTERFACES,
+	.baInterfaceNr = {
+		[0] =		AUDIO_AC_INTERFACE,
+		[1] =		AUDIO_AS_INTERFACE,
+	}
+};
+
+#define INPUT_TERMINAL_ID	1
+static struct uac_input_terminal_descriptor input_terminal_desc = {
+	.bLength =		UAC_DT_INPUT_TERMINAL_SIZE,
+	.bDescriptorType =	USB_DT_CS_INTERFACE,
+	.bDescriptorSubtype =	UAC_INPUT_TERMINAL,
+	.bTerminalID =		INPUT_TERMINAL_ID,
+	.wTerminalType =	UAC_INPUT_TERMINAL_MICROPHONE,
+	.bAssocTerminal =	0,
+	.wChannelConfig =	0x3,
+};
+
+DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR(0);
+
+#define FEATURE_UNIT_ID		2
+static struct uac_feature_unit_descriptor_0 feature_unit_desc = {
+	.bLength		= UAC_DT_FEATURE_UNIT_SIZE(0),
+	.bDescriptorType	= USB_DT_CS_INTERFACE,
+	.bDescriptorSubtype	= UAC_FEATURE_UNIT,
+	.bUnitID		= FEATURE_UNIT_ID,
+	.bSourceID		= INPUT_TERMINAL_ID,
+	.bControlSize		= 2,
+};
+
+#define OUTPUT_TERMINAL_ID	3
+static struct uac1_output_terminal_descriptor output_terminal_desc = {
+	.bLength		= UAC_DT_OUTPUT_TERMINAL_SIZE,
+	.bDescriptorType	= USB_DT_CS_INTERFACE,
+	.bDescriptorSubtype	= UAC_OUTPUT_TERMINAL,
+	.bTerminalID		= OUTPUT_TERMINAL_ID,
+	.wTerminalType		= UAC_TERMINAL_STREAMING,
+	.bAssocTerminal		= FEATURE_UNIT_ID,
+	.bSourceID		= FEATURE_UNIT_ID,
+};
+
+/* B.4.1  Standard AS Interface Descriptor */
+static struct usb_interface_descriptor as_interface_alt_0_desc = {
+	.bLength =		USB_DT_INTERFACE_SIZE,
+	.bDescriptorType =	USB_DT_INTERFACE,
+	.bAlternateSetting =	0,
+	.bNumEndpoints =	0,
+	.bInterfaceClass =	USB_CLASS_AUDIO,
+	.bInterfaceSubClass =	USB_SUBCLASS_AUDIOSTREAMING,
+};
+
+static struct usb_interface_descriptor as_interface_alt_1_desc = {
+	.bLength =		USB_DT_INTERFACE_SIZE,
+	.bDescriptorType =	USB_DT_INTERFACE,
+	.bAlternateSetting =	1,
+	.bNumEndpoints =	1,
+	.bInterfaceClass =	USB_CLASS_AUDIO,
+	.bInterfaceSubClass =	USB_SUBCLASS_AUDIOSTREAMING,
+};
+
+/* B.4.2  Class-Specific AS Interface Descriptor */
+static struct uac1_as_header_descriptor as_header_desc = {
+	.bLength =		UAC_DT_AS_HEADER_SIZE,
+	.bDescriptorType =	USB_DT_CS_INTERFACE,
+	.bDescriptorSubtype =	UAC_AS_GENERAL,
+	.bTerminalLink =	INPUT_TERMINAL_ID,
+	.bDelay =		1,
+	.wFormatTag =		UAC_FORMAT_TYPE_I_PCM,
+};
+
+static struct uac_format_type_i_discrete_descriptor_1 as_type_i_desc = {
+	.bLength =		UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(1),
+	.bDescriptorType =	USB_DT_CS_INTERFACE,
+	.bDescriptorSubtype =	UAC_FORMAT_TYPE,
+	.bFormatType =		UAC_FORMAT_TYPE_I,
+	.bSubframeSize =	2,
+	.bBitResolution =	16,
+	.bSamFreqType =		1,
+};
+
+/* Standard ISO IN Endpoint Descriptor for highspeed */
+static struct usb_endpoint_descriptor hs_as_in_ep_desc  = {
+	.bLength =		USB_DT_ENDPOINT_AUDIO_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+	.bEndpointAddress =	USB_DIR_IN,
+	.bmAttributes =		USB_ENDPOINT_SYNC_SYNC
+				| USB_ENDPOINT_XFER_ISOC,
+	.wMaxPacketSize =	__constant_cpu_to_le16(IN_EP_MAX_PACKET_SIZE),
+	.bInterval =		4, /* poll 1 per millisecond */
+};
+
+/* Standard ISO IN Endpoint Descriptor for highspeed */
+static struct usb_endpoint_descriptor fs_as_in_ep_desc  = {
+	.bLength =		USB_DT_ENDPOINT_AUDIO_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+	.bEndpointAddress =	USB_DIR_IN,
+	.bmAttributes =		USB_ENDPOINT_SYNC_SYNC
+				| USB_ENDPOINT_XFER_ISOC,
+	.wMaxPacketSize =	__constant_cpu_to_le16(IN_EP_MAX_PACKET_SIZE),
+	.bInterval =		1, /* poll 1 per millisecond */
+};
+
+/* Class-specific AS ISO OUT Endpoint Descriptor */
+static struct uac_iso_endpoint_descriptor as_iso_in_desc = {
+	.bLength =		UAC_ISO_ENDPOINT_DESC_SIZE,
+	.bDescriptorType =	USB_DT_CS_ENDPOINT,
+	.bDescriptorSubtype =	UAC_EP_GENERAL,
+	.bmAttributes =		1,
+	.bLockDelayUnits =	1,
+	.wLockDelay =		__constant_cpu_to_le16(1),
+};
+
+static struct usb_descriptor_header *hs_audio_desc[] = {
+	(struct usb_descriptor_header *)&audio_source_ac_interface_desc,
+	(struct usb_descriptor_header *)&audio_source_ac_header_desc,
+
+	(struct usb_descriptor_header *)&input_terminal_desc,
+	(struct usb_descriptor_header *)&output_terminal_desc,
+	(struct usb_descriptor_header *)&feature_unit_desc,
+
+	(struct usb_descriptor_header *)&as_interface_alt_0_desc,
+	(struct usb_descriptor_header *)&as_interface_alt_1_desc,
+	(struct usb_descriptor_header *)&as_header_desc,
+
+	(struct usb_descriptor_header *)&as_type_i_desc,
+
+	(struct usb_descriptor_header *)&hs_as_in_ep_desc,
+	(struct usb_descriptor_header *)&as_iso_in_desc,
+	NULL,
+};
+
+static struct usb_descriptor_header *fs_audio_desc[] = {
+	(struct usb_descriptor_header *)&audio_source_ac_interface_desc,
+	(struct usb_descriptor_header *)&audio_source_ac_header_desc,
+
+	(struct usb_descriptor_header *)&input_terminal_desc,
+	(struct usb_descriptor_header *)&output_terminal_desc,
+	(struct usb_descriptor_header *)&feature_unit_desc,
+
+	(struct usb_descriptor_header *)&as_interface_alt_0_desc,
+	(struct usb_descriptor_header *)&as_interface_alt_1_desc,
+	(struct usb_descriptor_header *)&as_header_desc,
+
+	(struct usb_descriptor_header *)&as_type_i_desc,
+
+	(struct usb_descriptor_header *)&fs_as_in_ep_desc,
+	(struct usb_descriptor_header *)&as_iso_in_desc,
+	NULL,
+};
+
+static struct snd_pcm_hardware audio_hw_info = {
+	.info =			SNDRV_PCM_INFO_MMAP |
+				SNDRV_PCM_INFO_MMAP_VALID |
+				SNDRV_PCM_INFO_BATCH |
+				SNDRV_PCM_INFO_INTERLEAVED |
+				SNDRV_PCM_INFO_BLOCK_TRANSFER,
+
+	.formats		= SNDRV_PCM_FMTBIT_S16_LE,
+	.channels_min		= 2,
+	.channels_max		= 2,
+	.rate_min		= SAMPLE_RATE,
+	.rate_max		= SAMPLE_RATE,
+
+	.buffer_bytes_max =	1024 * 1024,
+	.period_bytes_min =	64,
+	.period_bytes_max =	512 * 1024,
+	.periods_min =		2,
+	.periods_max =		1024,
+};
+
+/*-------------------------------------------------------------------------*/
+
+struct audio_source_config {
+	int	card;
+	int	device;
+};
+
+struct audio_dev {
+	struct usb_function		func;
+	struct snd_card			*card;
+	struct snd_pcm			*pcm;
+	struct snd_pcm_substream *substream;
+
+	struct list_head		idle_reqs;
+	struct usb_ep			*in_ep;
+
+	spinlock_t			lock;
+
+	/* beginning, end and current position in our buffer */
+	void				*buffer_start;
+	void				*buffer_end;
+	void				*buffer_pos;
+
+	/* byte size of a "period" */
+	unsigned int			period;
+	/* bytes sent since last call to snd_pcm_period_elapsed */
+	unsigned int			period_offset;
+	/* time we started playing */
+	ktime_t				start_time;
+	/* number of frames sent since start_time */
+	s64				frames_sent;
+};
+
+static inline struct audio_dev *func_to_audio_source(struct usb_function *f)
+{
+	return container_of(f, struct audio_dev, func);
+}
+
+/*-------------------------------------------------------------------------*/
+
+static struct usb_request *audio_request_new(struct usb_ep *ep, int buffer_size)
+{
+	struct usb_request *req = usb_ep_alloc_request(ep, GFP_KERNEL);
+	if (!req)
+		return NULL;
+
+	req->buf = kmalloc(buffer_size, GFP_KERNEL);
+	if (!req->buf) {
+		usb_ep_free_request(ep, req);
+		return NULL;
+	}
+	req->length = buffer_size;
+	return req;
+}
+
+static void audio_request_free(struct usb_request *req, struct usb_ep *ep)
+{
+	if (req) {
+		kfree(req->buf);
+		usb_ep_free_request(ep, req);
+	}
+}
+
+static void audio_req_put(struct audio_dev *audio, struct usb_request *req)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&audio->lock, flags);
+	list_add_tail(&req->list, &audio->idle_reqs);
+	spin_unlock_irqrestore(&audio->lock, flags);
+}
+
+static struct usb_request *audio_req_get(struct audio_dev *audio)
+{
+	unsigned long flags;
+	struct usb_request *req;
+
+	spin_lock_irqsave(&audio->lock, flags);
+	if (list_empty(&audio->idle_reqs)) {
+		req = 0;
+	} else {
+		req = list_first_entry(&audio->idle_reqs, struct usb_request,
+				list);
+		list_del(&req->list);
+	}
+	spin_unlock_irqrestore(&audio->lock, flags);
+	return req;
+}
+
+/* send the appropriate number of packets to match our bitrate */
+static void audio_send(struct audio_dev *audio)
+{
+	struct snd_pcm_runtime *runtime;
+	struct usb_request *req;
+	int length, length1, length2, ret;
+	s64 msecs;
+	s64 frames;
+	ktime_t now;
+
+	/* audio->substream will be null if we have been closed */
+	if (!audio->substream)
+		return;
+	/* audio->buffer_pos will be null if we have been stopped */
+	if (!audio->buffer_pos)
+		return;
+
+	runtime = audio->substream->runtime;
+
+	/* compute number of frames to send */
+	now = ktime_get();
+	msecs = ktime_to_ns(now) - ktime_to_ns(audio->start_time);
+	do_div(msecs, 1000000);
+	frames = msecs * SAMPLE_RATE;
+	do_div(frames, 1000);
+
+	/* Readjust our frames_sent if we fall too far behind.
+	 * If we get too far behind it is better to drop some frames than
+	 * to keep sending data too fast in an attempt to catch up.
+	 */
+	if (frames - audio->frames_sent > 10 * FRAMES_PER_MSEC)
+		audio->frames_sent = frames - FRAMES_PER_MSEC;
+
+	frames -= audio->frames_sent;
+
+	/* We need to send something to keep the pipeline going */
+	if (frames <= 0)
+		frames = FRAMES_PER_MSEC;
+
+	while (frames > 0) {
+		req = audio_req_get(audio);
+		if (!req)
+			break;
+
+		length = frames_to_bytes(runtime, frames);
+		if (length > IN_EP_MAX_PACKET_SIZE)
+			length = IN_EP_MAX_PACKET_SIZE;
+
+		if (audio->buffer_pos + length > audio->buffer_end)
+			length1 = audio->buffer_end - audio->buffer_pos;
+		else
+			length1 = length;
+		memcpy(req->buf, audio->buffer_pos, length1);
+		if (length1 < length) {
+			/* Wrap around and copy remaining length
+			 * at beginning of buffer.
+			 */
+			length2 = length - length1;
+			memcpy(req->buf + length1, audio->buffer_start,
+					length2);
+			audio->buffer_pos = audio->buffer_start + length2;
+		} else {
+			audio->buffer_pos += length1;
+			if (audio->buffer_pos >= audio->buffer_end)
+				audio->buffer_pos = audio->buffer_start;
+		}
+
+		req->length = length;
+		ret = usb_ep_queue(audio->in_ep, req, GFP_ATOMIC);
+		if (ret < 0) {
+			pr_err("usb_ep_queue failed ret: %d\n", ret);
+			audio_req_put(audio, req);
+			break;
+		}
+
+		frames -= bytes_to_frames(runtime, length);
+		audio->frames_sent += bytes_to_frames(runtime, length);
+	}
+}
+
+static void audio_control_complete(struct usb_ep *ep, struct usb_request *req)
+{
+	/* nothing to do here */
+}
+
+static void audio_data_complete(struct usb_ep *ep, struct usb_request *req)
+{
+	struct audio_dev *audio = req->context;
+
+	pr_debug("audio_data_complete req->status %d req->actual %d\n",
+		req->status, req->actual);
+
+	audio_req_put(audio, req);
+
+	if (!audio->buffer_start || req->status)
+		return;
+
+	audio->period_offset += req->actual;
+	if (audio->period_offset >= audio->period) {
+		snd_pcm_period_elapsed(audio->substream);
+		audio->period_offset = 0;
+	}
+	audio_send(audio);
+}
+
+static int audio_source_set_endpoint_req(struct usb_function *f,
+		const struct usb_ctrlrequest *ctrl)
+{
+	int value = -EOPNOTSUPP;
+	u16 ep = le16_to_cpu(ctrl->wIndex);
+	u16 len = le16_to_cpu(ctrl->wLength);
+	u16 w_value = le16_to_cpu(ctrl->wValue);
+
+	pr_debug("bRequest 0x%x, w_value 0x%04x, len %d, endpoint %d\n",
+			ctrl->bRequest, w_value, len, ep);
+
+	switch (ctrl->bRequest) {
+	case UAC_SET_CUR:
+	case UAC_SET_MIN:
+	case UAC_SET_MAX:
+	case UAC_SET_RES:
+		value = len;
+		break;
+	default:
+		break;
+	}
+
+	return value;
+}
+
+static int audio_source_get_endpoint_req(struct usb_function *f,
+		const struct usb_ctrlrequest *ctrl)
+{
+	struct usb_composite_dev *cdev = f->config->cdev;
+	int value = -EOPNOTSUPP;
+	u8 ep = ((le16_to_cpu(ctrl->wIndex) >> 8) & 0xFF);
+	u16 len = le16_to_cpu(ctrl->wLength);
+	u16 w_value = le16_to_cpu(ctrl->wValue);
+	u8 *buf = cdev->req->buf;
+
+	pr_debug("bRequest 0x%x, w_value 0x%04x, len %d, endpoint %d\n",
+			ctrl->bRequest, w_value, len, ep);
+
+	if (w_value == UAC_EP_CS_ATTR_SAMPLE_RATE << 8) {
+		switch (ctrl->bRequest) {
+		case UAC_GET_CUR:
+		case UAC_GET_MIN:
+		case UAC_GET_MAX:
+		case UAC_GET_RES:
+			/* return our sample rate */
+			buf[0] = (u8)SAMPLE_RATE;
+			buf[1] = (u8)(SAMPLE_RATE >> 8);
+			buf[2] = (u8)(SAMPLE_RATE >> 16);
+			value = 3;
+			break;
+		default:
+			break;
+		}
+	}
+
+	return value;
+}
+
+static int
+audio_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
+{
+	struct usb_composite_dev *cdev = f->config->cdev;
+	struct usb_request *req = cdev->req;
+	int value = -EOPNOTSUPP;
+	u16 w_index = le16_to_cpu(ctrl->wIndex);
+	u16 w_value = le16_to_cpu(ctrl->wValue);
+	u16 w_length = le16_to_cpu(ctrl->wLength);
+
+	/* composite driver infrastructure handles everything; interface
+	 * activation uses set_alt().
+	 */
+	switch (ctrl->bRequestType) {
+	case USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT:
+		value = audio_source_set_endpoint_req(f, ctrl);
+		break;
+
+	case USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT:
+		value = audio_source_get_endpoint_req(f, ctrl);
+		break;
+	}
+
+	/* respond with data transfer or status phase? */
+	if (value >= 0) {
+		pr_debug("audio req%02x.%02x v%04x i%04x l%d\n",
+			ctrl->bRequestType, ctrl->bRequest,
+			w_value, w_index, w_length);
+		req->zero = 0;
+		req->length = value;
+		req->complete = audio_control_complete;
+		value = usb_ep_queue(cdev->gadget->ep0, req, GFP_ATOMIC);
+		if (value < 0)
+			pr_err("audio response on err %d\n", value);
+	}
+
+	/* device either stalls (value < 0) or reports success */
+	return value;
+}
+
+static int audio_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
+{
+	struct audio_dev *audio = func_to_audio_source(f);
+	struct usb_composite_dev *cdev = f->config->cdev;
+	int ret;
+
+	pr_debug("audio_set_alt intf %d, alt %d\n", intf, alt);
+
+	ret = config_ep_by_speed(cdev->gadget, f, audio->in_ep);
+	if (ret) {
+		audio->in_ep->desc = NULL;
+		ERROR(cdev, "config_ep_by_speed failes for ep %s, result %d\n",
+				audio->in_ep->name, ret);
+			return ret;
+	}
+	ret = usb_ep_enable(audio->in_ep);
+	if (ret) {
+		ERROR(cdev, "failed to enable ep %s, result %d\n",
+			audio->in_ep->name, ret);
+		return ret;
+	}
+	return 0;
+}
+
+static void audio_disable(struct usb_function *f)
+{
+	struct audio_dev *audio = func_to_audio_source(f);
+
+	pr_debug("audio_disable\n");
+	usb_ep_disable(audio->in_ep);
+}
+
+/*-------------------------------------------------------------------------*/
+
+static void audio_build_desc(struct audio_dev *audio)
+{
+	u8 *sam_freq;
+	int rate;
+
+	/* Set channel numbers */
+	input_terminal_desc.bNrChannels = 2;
+	as_type_i_desc.bNrChannels = 2;
+
+	/* Set sample rates */
+	rate = SAMPLE_RATE;
+	sam_freq = as_type_i_desc.tSamFreq[0];
+	memcpy(sam_freq, &rate, 3);
+}
+
+/* audio function driver setup/binding */
+static int
+audio_bind(struct usb_configuration *c, struct usb_function *f)
+{
+	struct usb_composite_dev *cdev = c->cdev;
+	struct audio_dev *audio = func_to_audio_source(f);
+	int status;
+	struct usb_ep *ep;
+	struct usb_request *req;
+	int i;
+
+	audio_build_desc(audio);
+
+	/* allocate instance-specific interface IDs, and patch descriptors */
+	status = usb_interface_id(c, f);
+	if (status < 0)
+		goto fail;
+	audio_source_ac_interface_desc.bInterfaceNumber = status;
+
+	status = usb_interface_id(c, f);
+	if (status < 0)
+		goto fail;
+	as_interface_alt_0_desc.bInterfaceNumber = status;
+	as_interface_alt_1_desc.bInterfaceNumber = status;
+
+	status = -ENODEV;
+
+	/* allocate our endpoint */
+	ep = usb_ep_autoconfig(cdev->gadget, &fs_as_in_ep_desc);
+	if (!ep)
+		goto fail;
+	audio->in_ep = ep;
+	ep->driver_data = audio; /* claim */
+
+	if (gadget_is_dualspeed(c->cdev->gadget))
+		hs_as_in_ep_desc.bEndpointAddress =
+			fs_as_in_ep_desc.bEndpointAddress;
+
+	for (i = 0, status = 0; i < IN_EP_REQ_COUNT && status == 0; i++) {
+		req = audio_request_new(ep, IN_EP_MAX_PACKET_SIZE);
+		if (req) {
+			req->context = audio;
+			req->complete = audio_data_complete;
+			audio_req_put(audio, req);
+		} else
+			status = -ENOMEM;
+	}
+
+fail:
+	return status;
+}
+
+static void
+audio_unbind(struct usb_configuration *c, struct usb_function *f)
+{
+	struct audio_dev *audio = func_to_audio_source(f);
+	struct usb_request *req;
+
+	while ((req = audio_req_get(audio)))
+		audio_request_free(req, audio->in_ep);
+
+	snd_card_free_when_closed(audio->card);
+	audio->card = NULL;
+	audio->pcm = NULL;
+	audio->substream = NULL;
+	audio->in_ep = NULL;
+}
+
+static void audio_pcm_playback_start(struct audio_dev *audio)
+{
+	audio->start_time = ktime_get();
+	audio->frames_sent = 0;
+	audio_send(audio);
+}
+
+static void audio_pcm_playback_stop(struct audio_dev *audio)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&audio->lock, flags);
+	audio->buffer_start = 0;
+	audio->buffer_end = 0;
+	audio->buffer_pos = 0;
+	spin_unlock_irqrestore(&audio->lock, flags);
+}
+
+static int audio_pcm_open(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct audio_dev *audio = substream->private_data;
+
+	runtime->private_data = audio;
+	runtime->hw = audio_hw_info;
+	snd_pcm_limit_hw_rates(runtime);
+	runtime->hw.channels_max = 2;
+
+	audio->substream = substream;
+	return 0;
+}
+
+static int audio_pcm_close(struct snd_pcm_substream *substream)
+{
+	struct audio_dev *audio = substream->private_data;
+	unsigned long flags;
+
+	spin_lock_irqsave(&audio->lock, flags);
+	audio->substream = NULL;
+	spin_unlock_irqrestore(&audio->lock, flags);
+
+	return 0;
+}
+
+static int audio_pcm_hw_params(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *params)
+{
+	unsigned int channels = params_channels(params);
+	unsigned int rate = params_rate(params);
+
+	if (rate != SAMPLE_RATE)
+		return -EINVAL;
+	if (channels != 2)
+		return -EINVAL;
+
+	return snd_pcm_lib_alloc_vmalloc_buffer(substream,
+		params_buffer_bytes(params));
+}
+
+static int audio_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+	return snd_pcm_lib_free_vmalloc_buffer(substream);
+}
+
+static int audio_pcm_prepare(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct audio_dev *audio = runtime->private_data;
+
+	audio->period = snd_pcm_lib_period_bytes(substream);
+	audio->period_offset = 0;
+	audio->buffer_start = runtime->dma_area;
+	audio->buffer_end = audio->buffer_start
+		+ snd_pcm_lib_buffer_bytes(substream);
+	audio->buffer_pos = audio->buffer_start;
+
+	return 0;
+}
+
+static snd_pcm_uframes_t audio_pcm_pointer(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct audio_dev *audio = runtime->private_data;
+	ssize_t bytes = audio->buffer_pos - audio->buffer_start;
+
+	/* return offset of next frame to fill in our buffer */
+	return bytes_to_frames(runtime, bytes);
+}
+
+static int audio_pcm_playback_trigger(struct snd_pcm_substream *substream,
+					int cmd)
+{
+	struct audio_dev *audio = substream->runtime->private_data;
+	int ret = 0;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+		audio_pcm_playback_start(audio);
+		break;
+
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+		audio_pcm_playback_stop(audio);
+		break;
+
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static struct audio_dev _audio_dev = {
+	.func = {
+		.name = "audio_source",
+		.bind = audio_bind,
+		.unbind = audio_unbind,
+		.set_alt = audio_set_alt,
+		.setup = audio_setup,
+		.disable = audio_disable,
+		.descriptors = fs_audio_desc,
+		.hs_descriptors = hs_audio_desc,
+	},
+	.lock = __SPIN_LOCK_UNLOCKED(_audio_dev.lock),
+	.idle_reqs = LIST_HEAD_INIT(_audio_dev.idle_reqs),
+};
+
+static struct snd_pcm_ops audio_playback_ops = {
+	.open		= audio_pcm_open,
+	.close		= audio_pcm_close,
+	.ioctl		= snd_pcm_lib_ioctl,
+	.hw_params	= audio_pcm_hw_params,
+	.hw_free	= audio_pcm_hw_free,
+	.prepare	= audio_pcm_prepare,
+	.trigger	= audio_pcm_playback_trigger,
+	.pointer	= audio_pcm_pointer,
+};
+
+int audio_source_bind_config(struct usb_configuration *c,
+		struct audio_source_config *config)
+{
+	struct audio_dev *audio;
+	struct snd_card *card;
+	struct snd_pcm *pcm;
+	int err;
+
+	config->card = -1;
+	config->device = -1;
+
+	audio = &_audio_dev;
+
+	err = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
+			THIS_MODULE, 0, &card);
+	if (err)
+		return err;
+
+	snd_card_set_dev(card, &c->cdev->gadget->dev);
+
+	err = snd_pcm_new(card, "USB audio source", 0, 1, 0, &pcm);
+	if (err)
+		goto pcm_fail;
+	pcm->private_data = audio;
+	pcm->info_flags = 0;
+	audio->pcm = pcm;
+
+	strlcpy(pcm->name, "USB gadget audio", sizeof(pcm->name));
+
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &audio_playback_ops);
+	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+				NULL, 0, 64 * 1024);
+
+	strlcpy(card->driver, "audio_source", sizeof(card->driver));
+	strlcpy(card->shortname, card->driver, sizeof(card->shortname));
+	strlcpy(card->longname, "USB accessory audio source",
+		sizeof(card->longname));
+
+	err = snd_card_register(card);
+	if (err)
+		goto register_fail;
+
+	err = usb_add_function(c, &audio->func);
+	if (err)
+		goto add_fail;
+
+	config->card = pcm->card->number;
+	config->device = pcm->device;
+	audio->card = card;
+	return 0;
+
+add_fail:
+register_fail:
+pcm_fail:
+	snd_card_free(audio->card);
+	return err;
+}
diff --git a/drivers/usb/gadget/f_uac1.c b/drivers/usb/gadget/f_uac1.c
index b385592..8c74381 100644
--- a/drivers/usb/gadget/f_uac1.c
+++ b/drivers/usb/gadget/f_uac1.c
@@ -62,8 +62,6 @@
 static int generic_set_cmd(struct usb_audio_control *con, u8 cmd, int value);
 static int generic_get_cmd(struct usb_audio_control *con, u8 cmd);
 
-DECLARE_UAC_AC_HEADER_DESCRIPTOR(2);
-DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC(1);
 
 #define SPEAKER_INPUT_TERMINAL_ID	3
 #define SPEAKER_OUTPUT_TERMINAL_ID	4
diff --git a/drivers/video/msm/mdss/mdss_fb.h b/drivers/video/msm/mdss/mdss_fb.h
index 80ebc4f..25c39f6 100644
--- a/drivers/video/msm/mdss/mdss_fb.h
+++ b/drivers/video/msm/mdss/mdss_fb.h
@@ -96,6 +96,8 @@
 	struct mdss_mdp_ctl *ctl;
 	struct mdss_mdp_wb *wb;
 	struct list_head overlay_list;
+	struct list_head pipes_used;
+	struct list_head pipes_cleanup;
 };
 
 int mdss_fb_get_phys_info(unsigned long *start, unsigned long *len, int fb_num);
diff --git a/drivers/video/msm/mdss/mdss_mdp.h b/drivers/video/msm/mdss/mdss_mdp.h
index 6fd642f..33028cb 100644
--- a/drivers/video/msm/mdss/mdss_mdp.h
+++ b/drivers/video/msm/mdss/mdss_mdp.h
@@ -241,7 +241,9 @@
 	unsigned long smp[MAX_PLANES];
 
 	struct mdss_mdp_data buffers[2];
-	struct list_head list;
+	struct list_head used_list;
+	struct list_head cleanup_list;
+
 	struct mdp_overlay_pp_params pp_cfg;
 };
 
diff --git a/drivers/video/msm/mdss/mdss_mdp_ctl.c b/drivers/video/msm/mdss/mdss_mdp_ctl.c
index 5966989..d21a095 100644
--- a/drivers/video/msm/mdss/mdss_mdp_ctl.c
+++ b/drivers/video/msm/mdss/mdss_mdp_ctl.c
@@ -90,18 +90,34 @@
 	*bus_ib_quota = 0;
 	*clk_rate = 0;
 
-	if (mixer->type == MDSS_MDP_MIXER_TYPE_INTF) {
-		struct mdss_panel_info *pinfo = &mixer->ctl->mfd->panel_info;
-		v_total = (pinfo->yres + pinfo->lcdc.v_back_porch +
-			pinfo->lcdc.v_front_porch + pinfo->lcdc.v_pulse_width);
-		v_active = pinfo->yres;
-	} else if (mixer->rotator_mode) {
+	if (mixer->rotator_mode) {
 		pipe = mixer->stage_pipe[0]; /* rotator pipe */
 		v_total = pipe->flags & MDP_ROT_90 ? pipe->dst.w : pipe->dst.h;
 		v_active = v_total;
 	} else {
-		v_total = mixer->height;
-		v_active = v_total;
+		int is_writeback = false;
+		if (mixer->type == MDSS_MDP_MIXER_TYPE_INTF) {
+			struct mdss_panel_info *pinfo;
+			pinfo = &mixer->ctl->mfd->panel_info;
+			v_total = (pinfo->yres + pinfo->lcdc.v_back_porch +
+				   pinfo->lcdc.v_front_porch +
+				   pinfo->lcdc.v_pulse_width);
+			v_active = pinfo->yres;
+
+			if (pinfo->type == WRITEBACK_PANEL)
+				is_writeback = true;
+		} else {
+			v_total = mixer->height;
+			v_active = v_total;
+
+			is_writeback = true;
+		}
+		*clk_rate = mixer->width * v_total * fps;
+		if (is_writeback) {
+			/* perf for bus writeback */
+			*bus_ab_quota = fps * mixer->width * mixer->height * 3;
+			*bus_ib_quota = *bus_ab_quota;
+		}
 	}
 
 	for (i = 0; i < MDSS_MDP_MAX_STAGE; i++) {
@@ -118,7 +134,7 @@
 
 		if (mixer->type == MDSS_MDP_MIXER_TYPE_INTF)
 			quota = (quota / v_active) * v_total;
-		else
+		else if (mixer->rotator_mode)
 			quota *= 2; /* bus read + write */
 
 		rate = pipe->dst.w;
@@ -344,6 +360,8 @@
 	mdss_mdp_mixer_free(mixer);
 	mdss_mdp_ctl_free(ctl);
 
+	mdss_mdp_ctl_perf_commit(MDSS_MDP_PERF_UPDATE_ALL);
+
 	return 0;
 }
 
diff --git a/drivers/video/msm/mdss/mdss_mdp_overlay.c b/drivers/video/msm/mdss/mdss_mdp_overlay.c
index f76b508..452ebdc 100644
--- a/drivers/video/msm/mdss/mdss_mdp_overlay.c
+++ b/drivers/video/msm/mdss/mdss_mdp_overlay.c
@@ -282,7 +282,7 @@
 		}
 
 		mutex_lock(&mfd->lock);
-		list_add(&pipe->list, &mfd->overlay_list);
+		list_add(&pipe->used_list, &mfd->pipes_used);
 		mutex_unlock(&mfd->lock);
 		pipe->mixer = mixer;
 		pipe->mfd = mfd;
@@ -395,24 +395,31 @@
 
 static int mdss_mdp_overlay_kickoff(struct mdss_mdp_ctl *ctl)
 {
-	int ret;
+	struct mdss_mdp_pipe *pipe, *tmp;
+	struct msm_fb_data_type *mfd = ctl->mfd;
+	int i, ret;
 
-	if (ctl->mfd->kickoff_fnc)
-		ret = ctl->mfd->kickoff_fnc(ctl);
+	if (mfd->kickoff_fnc)
+		ret = mfd->kickoff_fnc(ctl);
 	else
 		ret = mdss_mdp_display_commit(ctl, NULL);
 	if (IS_ERR_VALUE(ret))
 		return ret;
 
-	pr_debug("freeing previous buffers\n");
+	mutex_lock(&mfd->lock);
+	list_for_each_entry_safe(pipe, tmp, &mfd->pipes_cleanup, cleanup_list) {
+		list_del(&pipe->cleanup_list);
+		for (i = 0; i < ARRAY_SIZE(pipe->buffers); i++)
+			mdss_mdp_overlay_free_buf(&pipe->buffers[i]);
 
-	mutex_lock(&ctl->mfd->lock);
-	if (!list_empty(&ctl->mfd->overlay_list)) {
-		struct mdss_mdp_pipe *pipe;
+		mdss_mdp_pipe_destroy(pipe);
+	}
+
+	if (!list_empty(&mfd->pipes_used)) {
 		struct mdss_mdp_data *data;
 		int buf_ndx;
 
-		list_for_each_entry(pipe, &ctl->mfd->overlay_list, list) {
+		list_for_each_entry(pipe, &mfd->pipes_used, used_list) {
 			buf_ndx = (pipe->play_cnt - 1) & 1; /* prev buffer */
 			data = &pipe->buffers[buf_ndx];
 
@@ -423,9 +430,7 @@
 			}
 		}
 	}
-	mutex_unlock(&ctl->mfd->lock);
-
-	pr_debug("done freeing previous buffers\n");
+	mutex_unlock(&mfd->lock);
 
 	return ret;
 }
@@ -433,8 +438,7 @@
 static int mdss_mdp_overlay_unset(struct msm_fb_data_type *mfd, int ndx)
 {
 	struct mdss_mdp_pipe *pipe;
-	struct mdss_mdp_pipe *cleanup_pipes[MDSS_MDP_MAX_SSPP];
-	int i, ret = 0, clean_cnt = 0;
+	int i, ret = 0;
 	u32 pipe_ndx, unset_ndx = 0;
 
 	if (!mfd || !mfd->ctl)
@@ -460,28 +464,15 @@
 		if (pipe_ndx & ndx) {
 			unset_ndx |= pipe_ndx;
 			pipe = mdss_mdp_pipe_get_locked(pipe_ndx);
-			if (pipe) {
-				mutex_lock(&mfd->lock);
-				list_del(&pipe->list);
-				mutex_unlock(&mfd->lock);
-				mdss_mdp_mixer_pipe_unstage(pipe);
-				cleanup_pipes[clean_cnt++] = pipe;
-			} else {
+			if (!pipe) {
 				pr_warn("unknown pipe ndx=%x\n", pipe_ndx);
+				continue;
 			}
-		}
-	}
-
-	if (clean_cnt) {
-		int j;
-		ret = mdss_mdp_overlay_kickoff(mfd->ctl);
-
-		for (i = 0; i < clean_cnt; i++) {
-			pipe = cleanup_pipes[i];
-			for (j = 0; j < ARRAY_SIZE(pipe->buffers); j++)
-				mdss_mdp_overlay_free_buf(&pipe->buffers[i]);
-
-			mdss_mdp_pipe_destroy(pipe);
+			mutex_lock(&mfd->lock);
+			list_del(&pipe->used_list);
+			list_add(&pipe->cleanup_list, &mfd->pipes_cleanup);
+			mutex_unlock(&mfd->lock);
+			mdss_mdp_mixer_pipe_unstage(pipe);
 		}
 	}
 
@@ -495,8 +486,8 @@
 	int cnt = 0;
 
 	mutex_lock(&mfd->lock);
-	if (!list_empty(&mfd->overlay_list)) {
-		list_for_each_entry(pipe, &mfd->overlay_list, list) {
+	if (!list_empty(&mfd->pipes_used)) {
+		list_for_each_entry(pipe, &mfd->pipes_used, used_list) {
 			if (pipe->ndx & MDSS_MDP_ROT_SESSION_MASK) {
 				struct mdss_mdp_rotator_session *rot;
 				rot = mdss_mdp_rotator_session_get(pipe->ndx);
@@ -513,6 +504,7 @@
 	if (unset_ndx) {
 		pr_debug("%d pipes need cleanup (%x)\n", cnt, unset_ndx);
 		mdss_mdp_overlay_unset(mfd, unset_ndx);
+		mdss_mdp_overlay_kickoff(mfd->ctl);
 	}
 
 	return 0;
@@ -603,7 +595,7 @@
 	ctl = pipe->mixer->ctl;
 	mdss_mdp_pipe_unlock(pipe);
 
-	if (ret == 0 && !(pipe->flags & MDP_OV_PLAY_NOWAIT))
+	if ((ret == 0) && (mfd->panel_info.type == WRITEBACK_PANEL))
 		ret = mdss_mdp_overlay_kickoff(ctl);
 
 	return ret;
@@ -1039,7 +1031,9 @@
 			ret = -EFAULT;
 		}
 		break;
-
+	case MSMFB_OVERLAY_COMMIT:
+		ret = mdss_mdp_overlay_kickoff(mfd->ctl);
+		break;
 	default:
 		if (mfd->panel_info.type == WRITEBACK_PANEL)
 			ret = mdss_mdp_wb_ioctl_handler(mfd, cmd, argp);
@@ -1063,7 +1057,8 @@
 	if (mfd->panel_info.type == WRITEBACK_PANEL)
 		mfd->kickoff_fnc = mdss_mdp_wb_kickoff;
 
-	INIT_LIST_HEAD(&mfd->overlay_list);
+	INIT_LIST_HEAD(&mfd->pipes_used);
+	INIT_LIST_HEAD(&mfd->pipes_cleanup);
 
 	return 0;
 }
diff --git a/drivers/video/msm/mdss/mdss_mdp_rotator.h b/drivers/video/msm/mdss/mdss_mdp_rotator.h
index 1e4b81e0..eb5b47a 100644
--- a/drivers/video/msm/mdss/mdss_mdp_rotator.h
+++ b/drivers/video/msm/mdss/mdss_mdp_rotator.h
@@ -17,7 +17,7 @@
 
 #include "mdss_mdp.h"
 
-#define MDSS_MDP_ROT_SESSION_MASK	0x80000000
+#define MDSS_MDP_ROT_SESSION_MASK	0x40000000
 
 struct mdss_mdp_rotator_session {
 	u32 session_id;
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index abcdeab..9a66ff9 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2088,7 +2088,7 @@
 ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block,
 			struct ext4_extent *ex)
 {
-	struct ext4_ext_cache cex;
+	struct ext4_ext_cache cex = {0, 0, 0};
 	int ret = 0;
 
 	if (ext4_ext_check_cache(inode, block, &cex)) {
diff --git a/include/linux/mfd/pm8xxx/pm8038.h b/include/linux/mfd/pm8xxx/pm8038.h
index 682abc8..574dab6 100644
--- a/include/linux/mfd/pm8xxx/pm8038.h
+++ b/include/linux/mfd/pm8xxx/pm8038.h
@@ -54,6 +54,7 @@
 
 /* PMIC Interrupts */
 #define PM8038_RTC_ALARM_IRQ		PM8038_IRQ_BLOCK_BIT(4, 7)
+#define PM8038_BATT_ALARM_IRQ		PM8921_IRQ_BLOCK_BIT(5, 6)
 #define PM8038_PWRKEY_REL_IRQ		PM8038_IRQ_BLOCK_BIT(6, 2)
 #define PM8038_PWRKEY_PRESS_IRQ		PM8038_IRQ_BLOCK_BIT(6, 3)
 #define PM8038_KEYPAD_IRQ		PM8038_IRQ_BLOCK_BIT(9, 2)
diff --git a/include/linux/mfd/wcd9xxx/core.h b/include/linux/mfd/wcd9xxx/core.h
index c306c75..421d758 100644
--- a/include/linux/mfd/wcd9xxx/core.h
+++ b/include/linux/mfd/wcd9xxx/core.h
@@ -15,6 +15,8 @@
 
 #include <linux/interrupt.h>
 #include <linux/pm_qos.h>
+#include <linux/platform_device.h>
+#include <linux/of_irq.h>
 
 #define WCD9XXX_NUM_IRQ_REGS 3
 
@@ -44,83 +46,41 @@
 
 
 enum {
-	TABLA_IRQ_SLIMBUS = 0,
-	TABLA_IRQ_MBHC_REMOVAL,
-	TABLA_IRQ_MBHC_SHORT_TERM,
-	TABLA_IRQ_MBHC_PRESS,
-	TABLA_IRQ_MBHC_RELEASE,
-	TABLA_IRQ_MBHC_POTENTIAL,
-	TABLA_IRQ_MBHC_INSERTION,
-	TABLA_IRQ_BG_PRECHARGE,
-	TABLA_IRQ_PA1_STARTUP,
-	TABLA_IRQ_PA2_STARTUP,
-	TABLA_IRQ_PA3_STARTUP,
-	TABLA_IRQ_PA4_STARTUP,
-	TABLA_IRQ_PA5_STARTUP,
-	TABLA_IRQ_MICBIAS1_PRECHARGE,
-	TABLA_IRQ_MICBIAS2_PRECHARGE,
-	TABLA_IRQ_MICBIAS3_PRECHARGE,
-	TABLA_IRQ_HPH_PA_OCPL_FAULT,
-	TABLA_IRQ_HPH_PA_OCPR_FAULT,
-	TABLA_IRQ_EAR_PA_OCPL_FAULT,
-	TABLA_IRQ_HPH_L_PA_STARTUP,
-	TABLA_IRQ_HPH_R_PA_STARTUP,
-	TABLA_IRQ_EAR_PA_STARTUP,
-	TABLA_NUM_IRQS,
+	WCD9XXX_IRQ_SLIMBUS = 0,
+	WCD9XXX_IRQ_MBHC_REMOVAL,
+	WCD9XXX_IRQ_MBHC_SHORT_TERM,
+	WCD9XXX_IRQ_MBHC_PRESS,
+	WCD9XXX_IRQ_MBHC_RELEASE,
+	WCD9XXX_IRQ_MBHC_POTENTIAL,
+	WCD9XXX_IRQ_MBHC_INSERTION,
+	WCD9XXX_IRQ_BG_PRECHARGE,
+	WCD9XXX_IRQ_PA1_STARTUP,
+	WCD9XXX_IRQ_PA2_STARTUP,
+	WCD9XXX_IRQ_PA3_STARTUP,
+	WCD9XXX_IRQ_PA4_STARTUP,
+	WCD9XXX_IRQ_PA5_STARTUP,
+	WCD9XXX_IRQ_MICBIAS1_PRECHARGE,
+	WCD9XXX_IRQ_MICBIAS2_PRECHARGE,
+	WCD9XXX_IRQ_MICBIAS3_PRECHARGE,
+	WCD9XXX_IRQ_HPH_PA_OCPL_FAULT,
+	WCD9XXX_IRQ_HPH_PA_OCPR_FAULT,
+	WCD9XXX_IRQ_EAR_PA_OCPL_FAULT,
+	WCD9XXX_IRQ_HPH_L_PA_STARTUP,
+	WCD9XXX_IRQ_HPH_R_PA_STARTUP,
+	WCD9XXX_IRQ_EAR_PA_STARTUP,
+	WCD9XXX_NUM_IRQS,
 };
 
 enum {
-	SITAR_IRQ_SLIMBUS = 0,
-	SITAR_IRQ_MBHC_REMOVAL,
-	SITAR_IRQ_MBHC_SHORT_TERM,
-	SITAR_IRQ_MBHC_PRESS,
-	SITAR_IRQ_MBHC_RELEASE,
-	SITAR_IRQ_MBHC_POTENTIAL,
-	SITAR_IRQ_MBHC_INSERTION,
-	SITAR_IRQ_BG_PRECHARGE,
-	SITAR_IRQ_PA1_STARTUP,
-	SITAR_IRQ_PA2_STARTUP,
-	SITAR_IRQ_PA3_STARTUP,
-	SITAR_IRQ_PA4_STARTUP,
-	SITAR_IRQ_PA5_STARTUP,
-	SITAR_IRQ_MICBIAS1_PRECHARGE,
-	SITAR_IRQ_MICBIAS2_PRECHARGE,
-	SITAR_IRQ_MICBIAS3_PRECHARGE,
-	SITAR_IRQ_HPH_PA_OCPL_FAULT,
-	SITAR_IRQ_HPH_PA_OCPR_FAULT,
-	SITAR_IRQ_EAR_PA_OCPL_FAULT,
-	SITAR_IRQ_HPH_L_PA_STARTUP,
-	SITAR_IRQ_HPH_R_PA_STARTUP,
-	SITAR_IRQ_EAR_PA_STARTUP,
-	SITAR_NUM_IRQS,
+	TABLA_NUM_IRQS = WCD9XXX_NUM_IRQS,
+	SITAR_NUM_IRQS = WCD9XXX_NUM_IRQS,
+	TAIKO_NUM_IRQS = WCD9XXX_NUM_IRQS,
 };
 
 
-enum {
-	TAIKO_IRQ_SLIMBUS = 0,
-	TAIKO_IRQ_MBHC_REMOVAL,
-	TAIKO_IRQ_MBHC_SHORT_TERM,
-	TAIKO_IRQ_MBHC_PRESS,
-	TAIKO_IRQ_MBHC_RELEASE,
-	TAIKO_IRQ_MBHC_POTENTIAL,
-	TAIKO_IRQ_MBHC_INSERTION,
-	TAIKO_IRQ_BG_PRECHARGE,
-	TAIKO_IRQ_PA1_STARTUP,
-	TAIKO_IRQ_PA2_STARTUP,
-	TAIKO_IRQ_PA3_STARTUP,
-	TAIKO_IRQ_PA4_STARTUP,
-	TAIKO_IRQ_PA5_STARTUP,
-	TAIKO_IRQ_MICBIAS1_PRECHARGE,
-	TAIKO_IRQ_MICBIAS2_PRECHARGE,
-	TAIKO_IRQ_MICBIAS3_PRECHARGE,
-	TAIKO_IRQ_HPH_PA_OCPL_FAULT,
-	TAIKO_IRQ_HPH_PA_OCPR_FAULT,
-	TAIKO_IRQ_EAR_PA_OCPL_FAULT,
-	TAIKO_IRQ_HPH_L_PA_STARTUP,
-	TAIKO_IRQ_HPH_R_PA_STARTUP,
-	TAIKO_IRQ_EAR_PA_STARTUP,
-	TAIKO_NUM_IRQS,
-};
+#define MAX(X, Y) (((int)X) >= ((int)Y) ? (X) : (Y))
+#define WCD9XXX_MAX_NUM_IRQS (MAX(MAX(TABLA_NUM_IRQS, SITAR_NUM_IRQS), \
+				  TAIKO_NUM_IRQS))
 
 enum wcd9xxx_pm_state {
 	WCD9XXX_PM_SLEEPABLE,
@@ -137,12 +97,6 @@
 	struct mutex irq_lock;
 	u8 version;
 
-	unsigned int irq_base;
-	unsigned int irq;
-	u8 irq_masks_cur[WCD9XXX_NUM_IRQ_REGS];
-	u8 irq_masks_cache[WCD9XXX_NUM_IRQ_REGS];
-	u8 irq_level[WCD9XXX_NUM_IRQ_REGS];
-
 	int reset_gpio;
 
 	int (*read_dev)(struct wcd9xxx *wcd9xxx, unsigned short reg,
@@ -164,6 +118,13 @@
 	int num_tx_port;
 
 	u8 idbyte[4];
+
+	unsigned int irq_base;
+	unsigned int irq;
+	u8 irq_masks_cur[WCD9XXX_NUM_IRQ_REGS];
+	u8 irq_masks_cache[WCD9XXX_NUM_IRQ_REGS];
+	bool irq_level_high[WCD9XXX_MAX_NUM_IRQS];
+	int num_irqs;
 };
 
 int wcd9xxx_reg_read(struct wcd9xxx *wcd9xxx, unsigned short reg);
@@ -187,40 +148,15 @@
 				enum wcd9xxx_pm_state o,
 				enum wcd9xxx_pm_state n);
 
-static inline int wcd9xxx_request_irq(struct wcd9xxx *wcd9xxx, int irq,
-				     irq_handler_t handler, const char *name,
-				     void *data)
-{
-	if (!wcd9xxx->irq_base)
-		return -EINVAL;
-	return request_threaded_irq(wcd9xxx->irq_base + irq, NULL, handler,
-				    IRQF_TRIGGER_RISING, name,
-				    data);
-}
-static inline void wcd9xxx_free_irq(struct wcd9xxx *wcd9xxx,
-				int irq, void *data)
-{
-	if (!wcd9xxx->irq_base)
-		return;
-	free_irq(wcd9xxx->irq_base + irq, data);
-}
-static inline void wcd9xxx_enable_irq(struct wcd9xxx *wcd9xxx, int irq)
-{
-	if (!wcd9xxx->irq_base)
-		return;
-	enable_irq(wcd9xxx->irq_base + irq);
-}
-static inline void wcd9xxx_disable_irq(struct wcd9xxx *wcd9xxx, int irq)
-{
-	if (!wcd9xxx->irq_base)
-		return;
-	disable_irq_nosync(wcd9xxx->irq_base + irq);
-}
-static inline void wcd9xxx_disable_irq_sync(struct wcd9xxx *wcd9xxx, int irq)
-{
-	if (!wcd9xxx->irq_base)
-		return;
-	disable_irq(wcd9xxx->irq_base + irq);
-}
+int wcd9xxx_request_irq(struct wcd9xxx *wcd9xxx, int irq,
+			irq_handler_t handler, const char *name, void *data);
 
+void wcd9xxx_free_irq(struct wcd9xxx *wcd9xxx, int irq, void *data);
+void wcd9xxx_enable_irq(struct wcd9xxx *wcd9xxx, int irq);
+void wcd9xxx_disable_irq(struct wcd9xxx *wcd9xxx, int irq);
+void wcd9xxx_disable_irq_sync(struct wcd9xxx *wcd9xxx, int irq);
+#ifdef CONFIG_OF
+int __init wcd9xxx_irq_of_init(struct device_node *node,
+			       struct device_node *parent);
+#endif /* CONFIG_OF */
 #endif
diff --git a/include/linux/mfd/wcd9xxx/wcd9xxx_registers.h b/include/linux/mfd/wcd9xxx/wcd9xxx_registers.h
index c66e953..357f400 100644
--- a/include/linux/mfd/wcd9xxx/wcd9xxx_registers.h
+++ b/include/linux/mfd/wcd9xxx/wcd9xxx_registers.h
@@ -39,4 +39,12 @@
 #define WCD9XXX_A_CDC_CTL__POR			(0x00000000)
 #define WCD9XXX_A_LEAKAGE_CTL			(0x88)
 #define WCD9XXX_A_LEAKAGE_CTL__POR			(0x00000004)
+#define WCD9XXX_A_INTR_MODE			(0x90)
+#define WCD9XXX_A_INTR_MASK0			(0x94)
+#define WCD9XXX_A_INTR_STATUS0			(0x98)
+#define WCD9XXX_A_INTR_CLEAR0			(0x9C)
+#define WCD9XXX_A_INTR_LEVEL0			(0xA0)
+#define WCD9XXX_A_INTR_LEVEL1			(0xA1)
+#define WCD9XXX_A_INTR_LEVEL2			(0xA2)
+
 #endif
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 257bcc0..477733c 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -248,6 +248,7 @@
 	struct delayed_work	dw;
 	unsigned int		host_suspend_tout_ms;
 	unsigned int		delay_ms;
+	unsigned int		min_sectors_to_queue_delayed_work;
 /*
  * A default time for checking the need for non urgent BKOPS once mmcqd
  * is idle.
diff --git a/include/linux/usb/audio.h b/include/linux/usb/audio.h
index a54b825..c3ea237 100644
--- a/include/linux/usb/audio.h
+++ b/include/linux/usb/audio.h
@@ -175,6 +175,7 @@
 	__u8  baInterfaceNr[n];					\
 } __attribute__ ((packed))
 
+DECLARE_UAC_AC_HEADER_DESCRIPTOR(2);
 /* 4.3.2.1 Input Terminal Descriptor */
 struct uac_input_terminal_descriptor {
 	__u8  bLength;			/* in bytes: 12 */
@@ -454,6 +455,7 @@
 	__u8  tSamFreq[n][3];					\
 } __attribute__ ((packed))
 
+DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC(1);
 #define UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(n)	(8 + (n * 3))
 
 struct uac_format_type_i_ext_descriptor {
diff --git a/include/linux/usb/f_accessory.h b/include/linux/usb/f_accessory.h
index ddb2fd0..61ebe0a 100644
--- a/include/linux/usb/f_accessory.h
+++ b/include/linux/usb/f_accessory.h
@@ -44,7 +44,7 @@
  *	index:          0
  *	data            version number (16 bits little endian)
  *                     1 for original accessory support
- *                     2 adds device to host audio support
+ *                     2 adds HID and device to host audio support
  */
 #define ACCESSORY_GET_PROTOCOL  51
 
@@ -72,6 +72,54 @@
  */
 #define ACCESSORY_START         53
 
+/* Control request for registering a HID device.
+ * Upon registering, a unique ID is sent by the accessory in the
+ * value parameter. This ID will be used for future commands for
+ * the device
+ *
+ *	requestType:    USB_DIR_OUT | USB_TYPE_VENDOR
+ *	request:        ACCESSORY_REGISTER_HID_DEVICE
+ *	value:          Accessory assigned ID for the HID device
+ *	index:          total length of the HID report descriptor
+ *	data            none
+ */
+#define ACCESSORY_REGISTER_HID         54
+
+/* Control request for unregistering a HID device.
+ *
+ *	requestType:    USB_DIR_OUT | USB_TYPE_VENDOR
+ *	request:        ACCESSORY_REGISTER_HID
+ *	value:          Accessory assigned ID for the HID device
+ *	index:          0
+ *	data            none
+ */
+#define ACCESSORY_UNREGISTER_HID         55
+
+/* Control request for sending the HID report descriptor.
+ * If the HID descriptor is longer than the endpoint zero max packet size,
+ * the descriptor will be sent in multiple ACCESSORY_SET_HID_REPORT_DESC
+ * commands. The data for the descriptor must be sent sequentially
+ * if multiple packets are needed.
+ *
+ *	requestType:    USB_DIR_OUT | USB_TYPE_VENDOR
+ *	request:        ACCESSORY_SET_HID_REPORT_DESC
+ *	value:          Accessory assigned ID for the HID device
+ *	index:          offset of data in descriptor
+ *                      (needed when HID descriptor is too big for one packet)
+ *	data            the HID report descriptor
+ */
+#define ACCESSORY_SET_HID_REPORT_DESC         56
+
+/* Control request for sending HID events.
+ *
+ *	requestType:    USB_DIR_OUT | USB_TYPE_VENDOR
+ *	request:        ACCESSORY_SEND_HID_EVENT
+ *	value:          Accessory assigned ID for the HID device
+ *	index:          0
+ *	data            the HID report for the event
+ */
+#define ACCESSORY_SEND_HID_EVENT         57
+
 /* Control request for setting the audio mode.
  *
  *	requestType:	USB_DIR_OUT | USB_TYPE_VENDOR
diff --git a/sound/soc/codecs/wcd9304.c b/sound/soc/codecs/wcd9304.c
index e9e950f..fa7abb1 100644
--- a/sound/soc/codecs/wcd9304.c
+++ b/sound/soc/codecs/wcd9304.c
@@ -1713,7 +1713,7 @@
 		/* reset retry counter as PA is turned off signifying
 		* start of new OCP detection session
 		*/
-		if (SITAR_IRQ_HPH_PA_OCPL_FAULT)
+		if (WCD9XXX_IRQ_HPH_PA_OCPL_FAULT)
 			sitar->hphlocp_cnt = 0;
 		else
 			sitar->hphrocp_cnt = 0;
@@ -1725,14 +1725,16 @@
 {
 	struct sitar_priv *sitar = container_of(work, struct sitar_priv,
 		hphlocp_work);
-	hphocp_off_report(sitar, SND_JACK_OC_HPHL, SITAR_IRQ_HPH_PA_OCPL_FAULT);
+	hphocp_off_report(sitar, SND_JACK_OC_HPHL,
+			  WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 }
 
 static void hphrocp_off_report(struct work_struct *work)
 {
 	struct sitar_priv *sitar = container_of(work, struct sitar_priv,
 		hphrocp_work);
-	hphocp_off_report(sitar, SND_JACK_OC_HPHR, SITAR_IRQ_HPH_PA_OCPR_FAULT);
+	hphocp_off_report(sitar, SND_JACK_OC_HPHR,
+			  WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 }
 
 static int sitar_hph_pa_event(struct snd_soc_dapm_widget *w,
@@ -3187,7 +3189,7 @@
 	short bias_value;
 	struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
 
-	wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_POTENTIAL);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
 	if (noreldetection)
 		sitar_turn_onoff_rel_detection(codec, false);
 
@@ -3223,7 +3225,7 @@
 
 	if (noreldetection)
 		sitar_turn_onoff_rel_detection(codec, true);
-	wcd9xxx_enable_irq(codec->control_data, SITAR_IRQ_MBHC_POTENTIAL);
+	wcd9xxx_enable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
 
 	return bias_value;
 }
@@ -3441,7 +3443,7 @@
 	sitar = snd_soc_codec_get_drvdata(codec);
 	calibration = sitar->mbhc_cfg.calibration;
 
-	wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_POTENTIAL);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
 	sitar_turn_onoff_rel_detection(codec, false);
 
 	/* First compute the DCE / STA wait times
@@ -3524,7 +3526,7 @@
 	snd_soc_write(codec, SITAR_A_MBHC_SCALING_MUX_1, 0x84);
 	usleep_range(100, 100);
 
-	wcd9xxx_enable_irq(codec->control_data, SITAR_IRQ_MBHC_POTENTIAL);
+	wcd9xxx_enable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
 	sitar_turn_onoff_rel_detection(codec, true);
 }
 
@@ -3808,9 +3810,9 @@
 		}
 		sitar_set_and_turnoff_hph_padac(codec);
 		hphocp_off_report(sitar, SND_JACK_OC_HPHR,
-				  SITAR_IRQ_HPH_PA_OCPR_FAULT);
+				  WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 		hphocp_off_report(sitar, SND_JACK_OC_HPHL,
-				  SITAR_IRQ_HPH_PA_OCPL_FAULT);
+				  WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 		sitar->current_plug = PLUG_TYPE_NONE;
 		sitar->mbhc_polling_active = false;
 	} else {
@@ -4232,9 +4234,9 @@
 		snd_soc_update_bits(codec, SITAR_A_RX_HPH_OCP_CTL,
 							0x10, 0x10);
 		wcd9xxx_enable_irq(codec->control_data,
-					SITAR_IRQ_HPH_PA_OCPL_FAULT);
+				   WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 		wcd9xxx_enable_irq(codec->control_data,
-					SITAR_IRQ_HPH_PA_OCPR_FAULT);
+				   WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 		/* Bootup time detection */
 		sitar_hs_gpio_handler(codec);
 	}
@@ -4624,7 +4626,7 @@
 					    0x10);
 		} else {
 			wcd9xxx_disable_irq(codec->control_data,
-					  SITAR_IRQ_HPH_PA_OCPL_FAULT);
+					    WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 			sitar->hphlocp_cnt = 0;
 			sitar->hph_status |= SND_JACK_OC_HPHL;
 			if (sitar->mbhc_cfg.headset_jack)
@@ -4657,7 +4659,7 @@
 					   0x10);
 		} else {
 			wcd9xxx_disable_irq(codec->control_data,
-					 SITAR_IRQ_HPH_PA_OCPR_FAULT);
+					    WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 			sitar->hphrocp_cnt = 0;
 			sitar->hph_status |= SND_JACK_OC_HPHR;
 			if (sitar->mbhc_cfg.headset_jack)
@@ -4680,7 +4682,7 @@
 
 	pr_debug("%s: enter\n", __func__);
 	SITAR_ACQUIRE_LOCK(priv->codec_resource_lock);
-	wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_INSERTION);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION);
 
 	snd_soc_update_bits(codec, SITAR_A_CDC_MBHC_INT_CTL, 0x03, 0x00);
 
@@ -5136,44 +5138,49 @@
 	snd_soc_dapm_sync(dapm);
 
 
-	ret = wcd9xxx_request_irq(codec->control_data, SITAR_IRQ_MBHC_INSERTION,
+	ret = wcd9xxx_request_irq(codec->control_data,
+				  WCD9XXX_IRQ_MBHC_INSERTION,
 		sitar_hs_insert_irq, "Headset insert detect", sitar);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			SITAR_IRQ_MBHC_INSERTION);
+		       WCD9XXX_IRQ_MBHC_INSERTION);
 		goto err_insert_irq;
 	}
-	wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_MBHC_INSERTION);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION);
 
-	ret = wcd9xxx_request_irq(codec->control_data, SITAR_IRQ_MBHC_REMOVAL,
+	ret = wcd9xxx_request_irq(codec->control_data,
+				  WCD9XXX_IRQ_MBHC_REMOVAL,
 		sitar_hs_remove_irq, "Headset remove detect", sitar);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			SITAR_IRQ_MBHC_REMOVAL);
+		       WCD9XXX_IRQ_MBHC_REMOVAL);
 		goto err_remove_irq;
 	}
 
-	ret = wcd9xxx_request_irq(codec->control_data, SITAR_IRQ_MBHC_POTENTIAL,
+	ret = wcd9xxx_request_irq(codec->control_data,
+				  WCD9XXX_IRQ_MBHC_POTENTIAL,
 		sitar_dce_handler, "DC Estimation detect", sitar);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			SITAR_IRQ_MBHC_POTENTIAL);
+		       WCD9XXX_IRQ_MBHC_POTENTIAL);
 		goto err_potential_irq;
 	}
 
-	ret = wcd9xxx_request_irq(codec->control_data, SITAR_IRQ_MBHC_RELEASE,
-		sitar_release_handler, "Button Release detect", sitar);
+	ret = wcd9xxx_request_irq(codec->control_data,
+				  WCD9XXX_IRQ_MBHC_RELEASE,
+				  sitar_release_handler,
+				  "Button Release detect", sitar);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			SITAR_IRQ_MBHC_RELEASE);
+		       WCD9XXX_IRQ_MBHC_RELEASE);
 		goto err_release_irq;
 	}
 
-	ret = wcd9xxx_request_irq(codec->control_data, SITAR_IRQ_SLIMBUS,
-		sitar_slimbus_irq, "SLIMBUS Slave", sitar);
+	ret = wcd9xxx_request_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS,
+				  sitar_slimbus_irq, "SLIMBUS Slave", sitar);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			SITAR_IRQ_SLIMBUS);
+		       WCD9XXX_IRQ_SLIMBUS);
 		goto err_slimbus_irq;
 	}
 
@@ -5183,24 +5190,27 @@
 
 
 	ret = wcd9xxx_request_irq(codec->control_data,
-		SITAR_IRQ_HPH_PA_OCPL_FAULT, sitar_hphl_ocp_irq,
-		"HPH_L OCP detect", sitar);
+				  WCD9XXX_IRQ_HPH_PA_OCPL_FAULT,
+				  sitar_hphl_ocp_irq,
+				  "HPH_L OCP detect", sitar);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			SITAR_IRQ_HPH_PA_OCPL_FAULT);
+		       WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 		goto err_hphl_ocp_irq;
 	}
-	wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_HPH_PA_OCPL_FAULT);
+	wcd9xxx_disable_irq(codec->control_data,
+			    WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 
 	ret = wcd9xxx_request_irq(codec->control_data,
-		SITAR_IRQ_HPH_PA_OCPR_FAULT, sitar_hphr_ocp_irq,
-		"HPH_R OCP detect", sitar);
+				  WCD9XXX_IRQ_HPH_PA_OCPR_FAULT,
+				  sitar_hphr_ocp_irq, "HPH_R OCP detect",
+				  sitar);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			SITAR_IRQ_HPH_PA_OCPR_FAULT);
+		       WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 		goto err_hphr_ocp_irq;
 	}
-	wcd9xxx_disable_irq(codec->control_data, SITAR_IRQ_HPH_PA_OCPR_FAULT);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 
 	for (i = 0; i < ARRAY_SIZE(sitar_dai); i++) {
 		switch (sitar_dai[i].id) {
@@ -5227,23 +5237,20 @@
 	return ret;
 
 err_hphr_ocp_irq:
-	wcd9xxx_free_irq(codec->control_data,
-			SITAR_IRQ_HPH_PA_OCPL_FAULT, sitar);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_HPH_PA_OCPL_FAULT,
+			 sitar);
 err_hphl_ocp_irq:
-	wcd9xxx_free_irq(codec->control_data,
-			SITAR_IRQ_SLIMBUS, sitar);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS, sitar);
 err_slimbus_irq:
-	wcd9xxx_free_irq(codec->control_data,
-			SITAR_IRQ_MBHC_RELEASE, sitar);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_RELEASE, sitar);
 err_release_irq:
-	wcd9xxx_free_irq(codec->control_data,
-			SITAR_IRQ_MBHC_POTENTIAL, sitar);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL,
+			 sitar);
 err_potential_irq:
-	wcd9xxx_free_irq(codec->control_data,
-			SITAR_IRQ_MBHC_REMOVAL, sitar);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_REMOVAL, sitar);
 err_remove_irq:
-	wcd9xxx_free_irq(codec->control_data,
-			SITAR_IRQ_MBHC_INSERTION, sitar);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION,
+			 sitar);
 err_insert_irq:
 err_pdata:
 	mutex_destroy(&sitar->codec_resource_lock);
@@ -5254,11 +5261,13 @@
 {
 	int i;
 	struct sitar_priv *sitar = snd_soc_codec_get_drvdata(codec);
-	wcd9xxx_free_irq(codec->control_data, SITAR_IRQ_SLIMBUS, sitar);
-	wcd9xxx_free_irq(codec->control_data, SITAR_IRQ_MBHC_RELEASE, sitar);
-	wcd9xxx_free_irq(codec->control_data, SITAR_IRQ_MBHC_POTENTIAL, sitar);
-	wcd9xxx_free_irq(codec->control_data, SITAR_IRQ_MBHC_REMOVAL, sitar);
-	wcd9xxx_free_irq(codec->control_data, SITAR_IRQ_MBHC_INSERTION, sitar);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS, sitar);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_RELEASE, sitar);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL,
+			 sitar);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_REMOVAL, sitar);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION,
+			 sitar);
 	SITAR_ACQUIRE_LOCK(sitar->codec_resource_lock);
 	sitar_codec_disable_clock_block(codec);
 	SITAR_RELEASE_LOCK(sitar->codec_resource_lock);
diff --git a/sound/soc/codecs/wcd9310.c b/sound/soc/codecs/wcd9310.c
index 5a819c9..b64a6a7 100644
--- a/sound/soc/codecs/wcd9310.c
+++ b/sound/soc/codecs/wcd9310.c
@@ -2911,7 +2911,7 @@
 		/* reset retry counter as PA is turned off signifying
 		 * start of new OCP detection session
 		 */
-		if (TABLA_IRQ_HPH_PA_OCPL_FAULT)
+		if (WCD9XXX_IRQ_HPH_PA_OCPL_FAULT)
 			tabla->hphlocp_cnt = 0;
 		else
 			tabla->hphrocp_cnt = 0;
@@ -2923,14 +2923,16 @@
 {
 	struct tabla_priv *tabla = container_of(work, struct tabla_priv,
 		hphlocp_work);
-	hphocp_off_report(tabla, SND_JACK_OC_HPHL, TABLA_IRQ_HPH_PA_OCPL_FAULT);
+	hphocp_off_report(tabla, SND_JACK_OC_HPHL,
+			  WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 }
 
 static void hphrocp_off_report(struct work_struct *work)
 {
 	struct tabla_priv *tabla = container_of(work, struct tabla_priv,
 		hphrocp_work);
-	hphocp_off_report(tabla, SND_JACK_OC_HPHR, TABLA_IRQ_HPH_PA_OCPR_FAULT);
+	hphocp_off_report(tabla, SND_JACK_OC_HPHR,
+			  WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 }
 
 static int tabla_hph_pa_event(struct snd_soc_dapm_widget *w,
@@ -5120,7 +5122,7 @@
 	short bias_value;
 	struct tabla_priv *tabla = snd_soc_codec_get_drvdata(codec);
 
-	wcd9xxx_disable_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
 	if (noreldetection)
 		tabla_turn_onoff_rel_detection(codec, false);
 
@@ -5156,7 +5158,7 @@
 
 	if (noreldetection)
 		tabla_turn_onoff_rel_detection(codec, true);
-	wcd9xxx_enable_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL);
+	wcd9xxx_enable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
 
 	return bias_value;
 }
@@ -5345,9 +5347,9 @@
 		}
 		tabla_set_and_turnoff_hph_padac(codec);
 		hphocp_off_report(tabla, SND_JACK_OC_HPHR,
-				  TABLA_IRQ_HPH_PA_OCPR_FAULT);
+				  WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 		hphocp_off_report(tabla, SND_JACK_OC_HPHL,
-				  TABLA_IRQ_HPH_PA_OCPL_FAULT);
+				  WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 		tabla->current_plug = PLUG_TYPE_NONE;
 		tabla->mbhc_polling_active = false;
 	} else {
@@ -5510,7 +5512,7 @@
 	snd_soc_update_bits(codec, tabla->reg_addr.micb_4_mbhc, 0x3,
 			    tabla->mbhc_cfg.micbias);
 
-	wcd9xxx_enable_irq(codec->control_data, TABLA_IRQ_MBHC_INSERTION);
+	wcd9xxx_enable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION);
 	snd_soc_update_bits(codec, TABLA_A_CDC_MBHC_INT_CTL, 0x1, 0x1);
 	pr_debug("%s: leave\n", __func__);
 	return 0;
@@ -5640,7 +5642,7 @@
 	tabla = snd_soc_codec_get_drvdata(codec);
 	calibration = tabla->mbhc_cfg.calibration;
 
-	wcd9xxx_disable_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
 	tabla_turn_onoff_rel_detection(codec, false);
 
 	/* First compute the DCE / STA wait times
@@ -5746,7 +5748,7 @@
 	snd_soc_write(codec, TABLA_A_MBHC_SCALING_MUX_1, 0x84);
 	usleep_range(100, 100);
 
-	wcd9xxx_enable_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL);
+	wcd9xxx_enable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
 	tabla_turn_onoff_rel_detection(codec, true);
 }
 
@@ -6334,7 +6336,7 @@
 					    0x10);
 		} else {
 			wcd9xxx_disable_irq(codec->control_data,
-					  TABLA_IRQ_HPH_PA_OCPL_FAULT);
+					  WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 			tabla->hph_status |= SND_JACK_OC_HPHL;
 			if (tabla->mbhc_cfg.headset_jack)
 				tabla_snd_soc_jack_report(tabla,
@@ -6368,7 +6370,7 @@
 					    0x10);
 		} else {
 			wcd9xxx_disable_irq(codec->control_data,
-					  TABLA_IRQ_HPH_PA_OCPR_FAULT);
+					  WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 			tabla->hph_status |= SND_JACK_OC_HPHR;
 			if (tabla->mbhc_cfg.headset_jack)
 				tabla_snd_soc_jack_report(tabla,
@@ -6977,7 +6979,7 @@
 			wcd9xxx_unlock_sleep(core);
 		} else {
 			wcd9xxx_enable_irq(codec->control_data,
-					   TABLA_IRQ_MBHC_INSERTION);
+					   WCD9XXX_IRQ_MBHC_INSERTION);
 			pr_err("%s: Error detecting plug insertion\n",
 			       __func__);
 		}
@@ -7015,7 +7017,7 @@
 
 	pr_debug("%s: enter\n", __func__);
 	TABLA_ACQUIRE_LOCK(priv->codec_resource_lock);
-	wcd9xxx_disable_irq(codec->control_data, TABLA_IRQ_MBHC_INSERTION);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION);
 
 	is_mb_trigger = !!(snd_soc_read(codec, priv->mbhc_bias_regs.mbhc_reg) &
 					0x10);
@@ -7262,7 +7264,8 @@
 	snd_soc_update_bits(codec, tabla->mbhc_bias_regs.mbhc_reg, 0x90, 0x00);
 	snd_soc_update_bits(codec, TABLA_A_MBHC_HPH, 0x13, 0x00);
 	snd_soc_update_bits(codec, tabla->mbhc_bias_regs.ctl_reg, 0x01, 0x00);
-	wcd9xxx_disable_irq_sync(codec->control_data, TABLA_IRQ_MBHC_INSERTION);
+	wcd9xxx_disable_irq_sync(codec->control_data,
+				 WCD9XXX_IRQ_MBHC_INSERTION);
 	tabla_codec_detect_plug_type(codec);
 	wcd9xxx_unlock_sleep(tabla_core);
 }
@@ -7485,9 +7488,9 @@
 	if (!IS_ERR_VALUE(ret)) {
 		snd_soc_update_bits(codec, TABLA_A_RX_HPH_OCP_CTL, 0x10, 0x10);
 		wcd9xxx_enable_irq(codec->control_data,
-				 TABLA_IRQ_HPH_PA_OCPL_FAULT);
+				 WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 		wcd9xxx_enable_irq(codec->control_data,
-				 TABLA_IRQ_HPH_PA_OCPR_FAULT);
+				 WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 
 		if (tabla->mbhc_cfg.gpio) {
 			ret = request_threaded_irq(tabla->mbhc_cfg.gpio_irq,
@@ -8218,44 +8221,50 @@
 
 	snd_soc_dapm_sync(dapm);
 
-	ret = wcd9xxx_request_irq(codec->control_data, TABLA_IRQ_MBHC_INSERTION,
+	ret = wcd9xxx_request_irq(codec->control_data,
+				  WCD9XXX_IRQ_MBHC_INSERTION,
 		tabla_hs_insert_irq, "Headset insert detect", tabla);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TABLA_IRQ_MBHC_INSERTION);
+		       WCD9XXX_IRQ_MBHC_INSERTION);
 		goto err_insert_irq;
 	}
-	wcd9xxx_disable_irq(codec->control_data, TABLA_IRQ_MBHC_INSERTION);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION);
 
-	ret = wcd9xxx_request_irq(codec->control_data, TABLA_IRQ_MBHC_REMOVAL,
-		tabla_hs_remove_irq, "Headset remove detect", tabla);
+	ret = wcd9xxx_request_irq(codec->control_data,
+				  WCD9XXX_IRQ_MBHC_REMOVAL,
+				  tabla_hs_remove_irq,
+				  "Headset remove detect", tabla);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TABLA_IRQ_MBHC_REMOVAL);
+		       WCD9XXX_IRQ_MBHC_REMOVAL);
 		goto err_remove_irq;
 	}
 
-	ret = wcd9xxx_request_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL,
-		tabla_dce_handler, "DC Estimation detect", tabla);
+	ret = wcd9xxx_request_irq(codec->control_data,
+				  WCD9XXX_IRQ_MBHC_POTENTIAL,
+				  tabla_dce_handler, "DC Estimation detect",
+				  tabla);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TABLA_IRQ_MBHC_POTENTIAL);
+		       WCD9XXX_IRQ_MBHC_POTENTIAL);
 		goto err_potential_irq;
 	}
 
-	ret = wcd9xxx_request_irq(codec->control_data, TABLA_IRQ_MBHC_RELEASE,
-		tabla_release_handler, "Button Release detect", tabla);
+	ret = wcd9xxx_request_irq(codec->control_data, WCD9XXX_IRQ_MBHC_RELEASE,
+				  tabla_release_handler,
+				  "Button Release detect", tabla);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TABLA_IRQ_MBHC_RELEASE);
+		       WCD9XXX_IRQ_MBHC_RELEASE);
 		goto err_release_irq;
 	}
 
-	ret = wcd9xxx_request_irq(codec->control_data, TABLA_IRQ_SLIMBUS,
-		tabla_slimbus_irq, "SLIMBUS Slave", tabla);
+	ret = wcd9xxx_request_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS,
+				  tabla_slimbus_irq, "SLIMBUS Slave", tabla);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TABLA_IRQ_SLIMBUS);
+		       WCD9XXX_IRQ_SLIMBUS);
 		goto err_slimbus_irq;
 	}
 
@@ -8264,24 +8273,26 @@
 			TABLA_SLIM_PGD_PORT_INT_EN0 + i, 0xFF);
 
 	ret = wcd9xxx_request_irq(codec->control_data,
-		TABLA_IRQ_HPH_PA_OCPL_FAULT, tabla_hphl_ocp_irq,
-		"HPH_L OCP detect", tabla);
+				  WCD9XXX_IRQ_HPH_PA_OCPL_FAULT,
+				  tabla_hphl_ocp_irq,
+				  "HPH_L OCP detect", tabla);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TABLA_IRQ_HPH_PA_OCPL_FAULT);
+		       WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 		goto err_hphl_ocp_irq;
 	}
-	wcd9xxx_disable_irq(codec->control_data, TABLA_IRQ_HPH_PA_OCPL_FAULT);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 
 	ret = wcd9xxx_request_irq(codec->control_data,
-		TABLA_IRQ_HPH_PA_OCPR_FAULT, tabla_hphr_ocp_irq,
-		"HPH_R OCP detect", tabla);
+				  WCD9XXX_IRQ_HPH_PA_OCPR_FAULT,
+				  tabla_hphr_ocp_irq,
+				  "HPH_R OCP detect", tabla);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TABLA_IRQ_HPH_PA_OCPR_FAULT);
+		       WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 		goto err_hphr_ocp_irq;
 	}
-	wcd9xxx_disable_irq(codec->control_data, TABLA_IRQ_HPH_PA_OCPR_FAULT);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 
 	/*
 	 * Register suspend lock and notifier to resend edge triggered
@@ -8334,17 +8345,19 @@
 
 err_hphr_ocp_irq:
 	wcd9xxx_free_irq(codec->control_data,
-			TABLA_IRQ_HPH_PA_OCPL_FAULT, tabla);
+			WCD9XXX_IRQ_HPH_PA_OCPL_FAULT, tabla);
 err_hphl_ocp_irq:
-	wcd9xxx_free_irq(codec->control_data, TABLA_IRQ_SLIMBUS, tabla);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS, tabla);
 err_slimbus_irq:
-	wcd9xxx_free_irq(codec->control_data, TABLA_IRQ_MBHC_RELEASE, tabla);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_RELEASE, tabla);
 err_release_irq:
-	wcd9xxx_free_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL, tabla);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL,
+			 tabla);
 err_potential_irq:
-	wcd9xxx_free_irq(codec->control_data, TABLA_IRQ_MBHC_REMOVAL, tabla);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_REMOVAL, tabla);
 err_remove_irq:
-	wcd9xxx_free_irq(codec->control_data, TABLA_IRQ_MBHC_INSERTION, tabla);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION,
+			 tabla);
 err_insert_irq:
 err_pdata:
 	mutex_destroy(&tabla->codec_resource_lock);
@@ -8358,11 +8371,13 @@
 
 	wake_lock_destroy(&tabla->irq_resend_wlock);
 
-	wcd9xxx_free_irq(codec->control_data, TABLA_IRQ_SLIMBUS, tabla);
-	wcd9xxx_free_irq(codec->control_data, TABLA_IRQ_MBHC_RELEASE, tabla);
-	wcd9xxx_free_irq(codec->control_data, TABLA_IRQ_MBHC_POTENTIAL, tabla);
-	wcd9xxx_free_irq(codec->control_data, TABLA_IRQ_MBHC_REMOVAL, tabla);
-	wcd9xxx_free_irq(codec->control_data, TABLA_IRQ_MBHC_INSERTION, tabla);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS, tabla);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_RELEASE, tabla);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL,
+			 tabla);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_REMOVAL, tabla);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION,
+			 tabla);
 	TABLA_ACQUIRE_LOCK(tabla->codec_resource_lock);
 	tabla_codec_disable_clock_block(codec);
 	TABLA_RELEASE_LOCK(tabla->codec_resource_lock);
diff --git a/sound/soc/codecs/wcd9320.c b/sound/soc/codecs/wcd9320.c
index a0a272f..d187ea5 100644
--- a/sound/soc/codecs/wcd9320.c
+++ b/sound/soc/codecs/wcd9320.c
@@ -2769,7 +2769,7 @@
 		/* reset retry counter as PA is turned off signifying
 		 * start of new OCP detection session
 		 */
-		if (TAIKO_IRQ_HPH_PA_OCPL_FAULT)
+		if (WCD9XXX_IRQ_HPH_PA_OCPL_FAULT)
 			taiko->hphlocp_cnt = 0;
 		else
 			taiko->hphrocp_cnt = 0;
@@ -2780,15 +2780,17 @@
 static void hphlocp_off_report(struct work_struct *work)
 {
 	struct taiko_priv *taiko = container_of(work, struct taiko_priv,
-		hphlocp_work);
-	hphocp_off_report(taiko, SND_JACK_OC_HPHL, TAIKO_IRQ_HPH_PA_OCPL_FAULT);
+						hphlocp_work);
+	hphocp_off_report(taiko, SND_JACK_OC_HPHL,
+			  WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 }
 
 static void hphrocp_off_report(struct work_struct *work)
 {
 	struct taiko_priv *taiko = container_of(work, struct taiko_priv,
-		hphrocp_work);
-	hphocp_off_report(taiko, SND_JACK_OC_HPHR, TAIKO_IRQ_HPH_PA_OCPR_FAULT);
+						hphrocp_work);
+	hphocp_off_report(taiko, SND_JACK_OC_HPHR,
+			  WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 }
 
 static int taiko_hph_pa_event(struct snd_soc_dapm_widget *w,
@@ -4684,7 +4686,7 @@
 	short bias_value;
 	struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
 
-	wcd9xxx_disable_irq(codec->control_data, TAIKO_IRQ_MBHC_POTENTIAL);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
 	if (noreldetection)
 		taiko_turn_onoff_rel_detection(codec, false);
 
@@ -4720,7 +4722,7 @@
 
 	if (noreldetection)
 		taiko_turn_onoff_rel_detection(codec, true);
-	wcd9xxx_enable_irq(codec->control_data, TAIKO_IRQ_MBHC_POTENTIAL);
+	wcd9xxx_enable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
 
 	return bias_value;
 }
@@ -4907,9 +4909,9 @@
 		}
 		taiko_set_and_turnoff_hph_padac(codec);
 		hphocp_off_report(taiko, SND_JACK_OC_HPHR,
-				  TAIKO_IRQ_HPH_PA_OCPR_FAULT);
+				  WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 		hphocp_off_report(taiko, SND_JACK_OC_HPHL,
-				  TAIKO_IRQ_HPH_PA_OCPL_FAULT);
+				  WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 		taiko->current_plug = PLUG_TYPE_NONE;
 		taiko->mbhc_polling_active = false;
 	} else {
@@ -5053,7 +5055,7 @@
 	snd_soc_update_bits(codec, taiko->reg_addr.micb_4_mbhc, 0x3,
 			    taiko->mbhc_cfg.micbias);
 
-	wcd9xxx_enable_irq(codec->control_data, TAIKO_IRQ_MBHC_INSERTION);
+	wcd9xxx_enable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION);
 	snd_soc_update_bits(codec, TAIKO_A_CDC_MBHC_INT_CTL, 0x1, 0x1);
 	return 0;
 }
@@ -5162,7 +5164,7 @@
 	taiko = snd_soc_codec_get_drvdata(codec);
 	calibration = taiko->mbhc_cfg.calibration;
 
-	wcd9xxx_disable_irq(codec->control_data, TAIKO_IRQ_MBHC_POTENTIAL);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
 	taiko_turn_onoff_rel_detection(codec, false);
 
 	/* First compute the DCE / STA wait times
@@ -5245,7 +5247,7 @@
 	snd_soc_write(codec, TAIKO_A_MBHC_SCALING_MUX_1, 0x84);
 	usleep_range(100, 100);
 
-	wcd9xxx_enable_irq(codec->control_data, TAIKO_IRQ_MBHC_POTENTIAL);
+	wcd9xxx_enable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_POTENTIAL);
 	taiko_turn_onoff_rel_detection(codec, true);
 }
 
@@ -5795,7 +5797,7 @@
 					    0x10);
 		} else {
 			wcd9xxx_disable_irq(codec->control_data,
-					  TAIKO_IRQ_HPH_PA_OCPL_FAULT);
+					  WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 			taiko->hphlocp_cnt = 0;
 			taiko->hph_status |= SND_JACK_OC_HPHL;
 			if (taiko->mbhc_cfg.headset_jack)
@@ -5828,7 +5830,7 @@
 					    0x10);
 		} else {
 			wcd9xxx_disable_irq(codec->control_data,
-					  TAIKO_IRQ_HPH_PA_OCPR_FAULT);
+					  WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 			taiko->hphrocp_cnt = 0;
 			taiko->hph_status |= SND_JACK_OC_HPHR;
 			if (taiko->mbhc_cfg.headset_jack)
@@ -6354,7 +6356,7 @@
 			wcd9xxx_unlock_sleep(core);
 		} else {
 			wcd9xxx_enable_irq(codec->control_data,
-					   TAIKO_IRQ_MBHC_INSERTION);
+					   WCD9XXX_IRQ_MBHC_INSERTION);
 			pr_err("%s: Error detecting plug insertion\n",
 			       __func__);
 		}
@@ -6369,7 +6371,7 @@
 
 	pr_debug("%s: enter\n", __func__);
 	TAIKO_ACQUIRE_LOCK(priv->codec_resource_lock);
-	wcd9xxx_disable_irq(codec->control_data, TAIKO_IRQ_MBHC_INSERTION);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_MBHC_INSERTION);
 
 	is_mb_trigger = !!(snd_soc_read(codec, priv->mbhc_bias_regs.mbhc_reg) &
 					0x10);
@@ -6593,7 +6595,8 @@
 	snd_soc_update_bits(codec, taiko->mbhc_bias_regs.mbhc_reg, 0x90, 0x00);
 	snd_soc_update_bits(codec, TAIKO_A_MBHC_HPH, 0x13, 0x00);
 	snd_soc_update_bits(codec, taiko->mbhc_bias_regs.ctl_reg, 0x01, 0x00);
-	wcd9xxx_disable_irq_sync(codec->control_data, TAIKO_IRQ_MBHC_INSERTION);
+	wcd9xxx_disable_irq_sync(codec->control_data,
+				 WCD9XXX_IRQ_MBHC_INSERTION);
 	taiko_codec_detect_plug_type(codec);
 	wcd9xxx_unlock_sleep(taiko_core);
 }
@@ -6728,9 +6731,9 @@
 	if (!IS_ERR_VALUE(ret)) {
 		snd_soc_update_bits(codec, TAIKO_A_RX_HPH_OCP_CTL, 0x10, 0x10);
 		wcd9xxx_enable_irq(codec->control_data,
-				 TAIKO_IRQ_HPH_PA_OCPL_FAULT);
+				 WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 		wcd9xxx_enable_irq(codec->control_data,
-				 TAIKO_IRQ_HPH_PA_OCPR_FAULT);
+				 WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 
 		if (taiko->mbhc_cfg.gpio) {
 			ret = request_threaded_irq(taiko->mbhc_cfg.gpio_irq,
@@ -7381,48 +7384,51 @@
 	int i;
 	struct snd_soc_codec *codec = taiko->codec;
 
-	ret = wcd9xxx_request_irq(codec->control_data, TAIKO_IRQ_MBHC_INSERTION,
+	ret = wcd9xxx_request_irq(codec->control_data,
+				  WCD9XXX_IRQ_MBHC_INSERTION,
 				  taiko_hs_insert_irq, "Headset insert detect",
 				  taiko);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TAIKO_IRQ_MBHC_INSERTION);
+		       WCD9XXX_IRQ_MBHC_INSERTION);
 		goto err_insert_irq;
 	}
-	wcd9xxx_disable_irq(codec->control_data, TAIKO_IRQ_MBHC_INSERTION);
+	wcd9xxx_disable_irq(codec->control_data,
+			    WCD9XXX_IRQ_MBHC_INSERTION);
 
-	ret = wcd9xxx_request_irq(codec->control_data, TAIKO_IRQ_MBHC_REMOVAL,
+	ret = wcd9xxx_request_irq(codec->control_data, WCD9XXX_IRQ_MBHC_REMOVAL,
 				  taiko_hs_remove_irq, "Headset remove detect",
 				  taiko);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TAIKO_IRQ_MBHC_REMOVAL);
+			WCD9XXX_IRQ_MBHC_REMOVAL);
 		goto err_remove_irq;
 	}
 
-	ret = wcd9xxx_request_irq(codec->control_data, TAIKO_IRQ_MBHC_POTENTIAL,
+	ret = wcd9xxx_request_irq(codec->control_data,
+				  WCD9XXX_IRQ_MBHC_POTENTIAL,
 				  taiko_dce_handler, "DC Estimation detect",
 				  taiko);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TAIKO_IRQ_MBHC_POTENTIAL);
+		       WCD9XXX_IRQ_MBHC_POTENTIAL);
 		goto err_potential_irq;
 	}
 
-	ret = wcd9xxx_request_irq(codec->control_data, TAIKO_IRQ_MBHC_RELEASE,
+	ret = wcd9xxx_request_irq(codec->control_data, WCD9XXX_IRQ_MBHC_RELEASE,
 				 taiko_release_handler, "Button Release detect",
 				 taiko);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TAIKO_IRQ_MBHC_RELEASE);
+		       WCD9XXX_IRQ_MBHC_RELEASE);
 		goto err_release_irq;
 	}
 
-	ret = wcd9xxx_request_irq(codec->control_data, TAIKO_IRQ_SLIMBUS,
+	ret = wcd9xxx_request_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS,
 				  taiko_slimbus_irq, "SLIMBUS Slave", taiko);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TAIKO_IRQ_SLIMBUS);
+		       WCD9XXX_IRQ_SLIMBUS);
 		goto err_slimbus_irq;
 	}
 
@@ -7432,40 +7438,44 @@
 					   0xFF);
 
 	ret = wcd9xxx_request_irq(codec->control_data,
-				  TAIKO_IRQ_HPH_PA_OCPL_FAULT,
+				  WCD9XXX_IRQ_HPH_PA_OCPL_FAULT,
 				  taiko_hphl_ocp_irq,
 				  "HPH_L OCP detect", taiko);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-			TAIKO_IRQ_HPH_PA_OCPL_FAULT);
+		       WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 		goto err_hphl_ocp_irq;
 	}
-	wcd9xxx_disable_irq(codec->control_data, TAIKO_IRQ_HPH_PA_OCPL_FAULT);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_HPH_PA_OCPL_FAULT);
 
 	ret = wcd9xxx_request_irq(codec->control_data,
-				  TAIKO_IRQ_HPH_PA_OCPR_FAULT,
+				  WCD9XXX_IRQ_HPH_PA_OCPR_FAULT,
 				  taiko_hphr_ocp_irq,
 				  "HPH_R OCP detect", taiko);
 	if (ret) {
 		pr_err("%s: Failed to request irq %d\n", __func__,
-		       TAIKO_IRQ_HPH_PA_OCPR_FAULT);
+		       WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
 		goto err_hphr_ocp_irq;
 	}
-	wcd9xxx_disable_irq(codec->control_data, TAIKO_IRQ_HPH_PA_OCPR_FAULT);
+	wcd9xxx_disable_irq(codec->control_data, WCD9XXX_IRQ_HPH_PA_OCPR_FAULT);
+
+	return 0;
 
 err_hphr_ocp_irq:
-	wcd9xxx_free_irq(codec->control_data, TAIKO_IRQ_HPH_PA_OCPL_FAULT,
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_HPH_PA_OCPL_FAULT,
 			 taiko);
 err_hphl_ocp_irq:
-	wcd9xxx_free_irq(codec->control_data, TAIKO_IRQ_SLIMBUS, taiko);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS, taiko);
 err_slimbus_irq:
-	wcd9xxx_free_irq(codec->control_data, TAIKO_IRQ_MBHC_RELEASE, taiko);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_RELEASE, taiko);
 err_release_irq:
-	wcd9xxx_free_irq(codec->control_data, TAIKO_IRQ_MBHC_POTENTIAL, taiko);
+	wcd9xxx_free_irq(codec->control_data,
+			 WCD9XXX_IRQ_MBHC_POTENTIAL, taiko);
 err_potential_irq:
-	wcd9xxx_free_irq(codec->control_data, TAIKO_IRQ_MBHC_REMOVAL, taiko);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_REMOVAL, taiko);
 err_remove_irq:
-	wcd9xxx_free_irq(codec->control_data, TAIKO_IRQ_MBHC_INSERTION, taiko);
+	wcd9xxx_free_irq(codec->control_data,
+			 WCD9XXX_IRQ_MBHC_INSERTION, taiko);
 err_insert_irq:
 
 	return ret;
@@ -7600,11 +7610,13 @@
 {
 	int i;
 	struct taiko_priv *taiko = snd_soc_codec_get_drvdata(codec);
-	wcd9xxx_free_irq(codec->control_data, TAIKO_IRQ_SLIMBUS, taiko);
-	wcd9xxx_free_irq(codec->control_data, TAIKO_IRQ_MBHC_RELEASE, taiko);
-	wcd9xxx_free_irq(codec->control_data, TAIKO_IRQ_MBHC_POTENTIAL, taiko);
-	wcd9xxx_free_irq(codec->control_data, TAIKO_IRQ_MBHC_REMOVAL, taiko);
-	wcd9xxx_free_irq(codec->control_data, TAIKO_IRQ_MBHC_INSERTION, taiko);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_SLIMBUS, taiko);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_RELEASE, taiko);
+	wcd9xxx_free_irq(codec->control_data,
+			 WCD9XXX_IRQ_MBHC_POTENTIAL, taiko);
+	wcd9xxx_free_irq(codec->control_data, WCD9XXX_IRQ_MBHC_REMOVAL, taiko);
+	wcd9xxx_free_irq(codec->control_data,
+			 WCD9XXX_IRQ_MBHC_INSERTION, taiko);
 	TAIKO_ACQUIRE_LOCK(taiko->codec_resource_lock);
 	taiko_codec_disable_clock_block(codec);
 	TAIKO_RELEASE_LOCK(taiko->codec_resource_lock);