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authorIan Molton <ian@mnementh.co.uk>2009-01-08 21:03:55 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-01-16 16:40:26 +0000
commita7e2e735dcf98717150d3c8eaa731de8038af05a (patch)
tree575640b85bdfaa0f40866a9d15a4d2fe51390259 /arch/arm
parent2aceefefc891e85d336c1d95d9d89fd785f5d44c (diff)
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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-pxa/e750.c5
-rw-r--r--arch/arm/mach-pxa/include/mach/eseries-gpio.h5
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/e750.c b/arch/arm/mach-pxa/e750.c
index be1ab8edb97..665066fd280 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 efbd2aa9ece..02b28e0ed73 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