ASoC: machine driver for Toshiba e750

This patch adds support for the wm9705 ac97 codec as used in the Toshiba e750
PDA. It includes support for powering up / down the external headphone and
speaker amplifiers on this machine.

Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

2 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/e750.c b/arch/arm/mach-pxa/e750.c
index be1ab8edb973..665066fd280e 100644
--- a/arch/arm/mach-pxa/e750.c
+++ b/arch/arm/mach-pxa/e750.c
@@ -133,6 +133,11 @@ static unsigned long e750_pin_config[] __initdata = {
         /* IrDA */
         GPIO38_GPIO | MFP_LPM_DRIVE_HIGH,
 
+        /* Audio power control */
+        GPIO4_GPIO,  /* Headphone amp power */
+        GPIO7_GPIO,  /* Speaker amp power */
+        GPIO37_GPIO, /* Headphone detect */
+
         /* PC Card */
         GPIO8_GPIO,   /* CD0 */
         GPIO44_GPIO,  /* CD1 */
diff --git a/arch/arm/mach-pxa/include/mach/eseries-gpio.h b/arch/arm/mach-pxa/include/mach/eseries-gpio.h
index efbd2aa9ecec..02b28e0ed73b 100644
--- a/arch/arm/mach-pxa/include/mach/eseries-gpio.h
+++ b/arch/arm/mach-pxa/include/mach/eseries-gpio.h
@@ -45,6 +45,11 @@
 /* e7xx IrDA power control */
 #define GPIO_E7XX_IR_OFF         38
 
+/* e750 audio control GPIOs */
+#define GPIO_E750_HP_AMP_OFF      4
+#define GPIO_E750_SPK_AMP_OFF     7
+#define GPIO_E750_HP_DETECT      37
+
 /* ASIC related GPIOs */
 #define GPIO_ESERIES_TMIO_IRQ        5
 #define GPIO_ESERIES_TMIO_PCLR      19