commit e53161ab75d87fcd3592b6eb52b3b378c5a44fc3
author Sana Venkat Raju <c_vsana@codeaurora.org> Tue Sep 17 16:33:26 2013 +0530
committer Sana Venkat Raju <c_vsana@codeaurora.org> Mon Sep 30 10:10:23 2013 +0530
tree d014d53a025759db67451f7fb45d52825bea3e48
parent 697b028ba3e0595f1295457f53af5a2b5292ebd2

msm: Modify functional mode of suspened GPIO

Modify functional mode of suspended
GPIO configuration of SPI to GPIO mode
instead of FUNC2 mode. Observed leakage
current issue during boot up when the
functional mode of the GPIO is FUNC2.
Hence,it is changed to GPIO mode in
this patch.

CRs-Fixed: 545555
Change-Id: Ida766a16fb1e25ebedb7dcbf17dfc81f5dbb6f0b
Signed-off-by: Sana Venkat Raju <c_vsana@codeaurora.org>

arch/arm/mach-msm/board-8610-gpiomux.c

diff --git a/arch/arm/mach-msm/board-8610-gpiomux.c b/arch/arm/mach-msm/board-8610-gpiomux.c
index e9ad86f..87794c4 100644
--- a/arch/arm/mach-msm/board-8610-gpiomux.c
+++ b/arch/arm/mach-msm/board-8610-gpiomux.c
@@ -23,6 +23,11 @@
 	.drv = GPIOMUX_DRV_6MA,
 	.pull = GPIOMUX_PULL_NONE,
 };
+static struct gpiomux_setting gpio_spi_susp_config = {
+	.func = GPIOMUX_FUNC_GPIO,
+	.drv = GPIOMUX_DRV_2MA,
+	.pull = GPIOMUX_PULL_DOWN,
+};
 
 static struct gpiomux_setting gpio_i2c_config = {
 	.func = GPIOMUX_FUNC_3,
@@ -247,25 +252,29 @@
 	{
 		.gpio      = 86,		/* BLSP1 QUP4 SPI_DATA_MOSI */
 		.settings = {
-			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
+			[GPIOMUX_ACTIVE] = &gpio_spi_config,
+			[GPIOMUX_SUSPENDED] = &gpio_spi_susp_config,
 		},
 	},
 	{
 		.gpio      = 87,		/* BLSP1 QUP4 SPI_DATA_MISO */
 		.settings = {
-			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
+			[GPIOMUX_ACTIVE] = &gpio_spi_config,
+			[GPIOMUX_SUSPENDED] = &gpio_spi_susp_config,
 		},
 	},
 	{
 		.gpio      = 89,		/* BLSP1 QUP4 SPI_CLK */
 		.settings = {
-			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
+			[GPIOMUX_ACTIVE] = &gpio_spi_config,
+			[GPIOMUX_SUSPENDED] = &gpio_spi_susp_config,
 		},
 	},
 	{
 		.gpio      = 88,		/* BLSP1 QUP4 SPI_CS */
 		.settings = {
-			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
+			[GPIOMUX_ACTIVE] = &gpio_spi_config,
+			[GPIOMUX_SUSPENDED] = &gpio_spi_susp_config,
 		},
 	},
 };
@@ -288,25 +297,29 @@
 	{
 		.gpio      = 86,		/* BLSP1 QUP4 SPI_DATA_MOSI */
 		.settings = {
-			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
+			[GPIOMUX_ACTIVE] = &gpio_spi_config,
+			[GPIOMUX_SUSPENDED] = &gpio_spi_susp_config,
 		},
 	},
 	{
 		.gpio      = 87,		/* BLSP1 QUP4 SPI_DATA_MISO */
 		.settings = {
-			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
+			[GPIOMUX_ACTIVE] = &gpio_spi_config,
+			[GPIOMUX_SUSPENDED] = &gpio_spi_susp_config,
 		},
 	},
 	{
 		.gpio      = 89,		/* BLSP1 QUP4 SPI_CLK */
 		.settings = {
-			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
+			[GPIOMUX_ACTIVE] = &gpio_spi_config,
+			[GPIOMUX_SUSPENDED] = &gpio_spi_susp_config,
 		},
 	},
 	{
 		.gpio      = 88,		/* BLSP1 QUP4 SPI_CS */
 		.settings = {
-			[GPIOMUX_SUSPENDED] = &gpio_spi_config,
+			[GPIOMUX_ACTIVE] = &gpio_spi_config,
+			[GPIOMUX_SUSPENDED] = &gpio_spi_susp_config,
 		},
 	},
 };