target: msm8952: Change target_volume_down function for msm8917 tmo
Implement target_volume_down function with getting status of GPIO
to support devices use GPIO as volume down key.
CRs-Fixed: 1002189
Change-Id: I0b7d19f662c95b1026d5e5afe97fe1e1ad68f822
diff --git a/target/msm8952/init.c b/target/msm8952/init.c
index 9eedac9..3262b61 100644
--- a/target/msm8952/init.c
+++ b/target/msm8952/init.c
@@ -78,6 +78,7 @@
#define TLMM_VOL_UP_BTN_GPIO 85
#define TLMM_VOL_UP_BTN_GPIO_8956 113
#define TLMM_VOL_UP_BTN_GPIO_8937 91
+#define TLMM_VOL_DOWN_BTN_GPIO 128
#define FASTBOOT_MODE 0x77665500
#define RECOVERY_MODE 0x77665502
@@ -91,6 +92,7 @@
#define CE_READ_PIPE_LOCK_GRP 0
#define CE_WRITE_PIPE_LOCK_GRP 0
#define CE_ARRAY_SIZE 20
+#define SUB_TYPE_SKUT 0x0A
struct mmc_device *dev;
@@ -209,8 +211,29 @@
/* Return 1 if vol_down pressed */
uint32_t target_volume_down()
{
- /* Volume down button tied in with PMIC RESIN. */
- return pm8x41_resin_status();
+ static bool vol_down_key_init = false;
+
+ if ((board_hardware_id() == HW_PLATFORM_QRD) &&
+ (board_hardware_subtype() == SUB_TYPE_SKUT)) {
+ uint32_t status = 0;
+
+ if (!vol_down_key_init) {
+ gpio_tlmm_config(TLMM_VOL_DOWN_BTN_GPIO, 0, GPIO_INPUT, GPIO_PULL_UP,
+ GPIO_2MA, GPIO_ENABLE);
+ /* Wait for the gpio config to take effect - debounce time */
+ thread_sleep(10);
+ vol_down_key_init = true;
+ }
+
+ /* Get status of GPIO */
+ status = gpio_status(TLMM_VOL_DOWN_BTN_GPIO);
+
+ /* Active low signal. */
+ return !status;
+ } else {
+ /* Volume down button tied in with PMIC RESIN. */
+ return pm8x41_resin_status();
+ }
}
uint32_t target_is_pwrkey_pon_reason()