diff options
| author | Alan Tull <alan.tull@freescale.com> | 2010-10-27 10:44:34 -0500 |
|---|---|---|
| committer | Alan Tull <alan.tull@freescale.com> | 2010-10-28 16:26:33 -0500 |
| commit | 9c664c3b9bcfbb302adbee62fff8eb6635ccbefb (patch) | |
| tree | 7efe2fb2a82e415478571acaa2847ed720a4fbac | |
| parent | 8fe652143ad912f852da7bf78c766972c6d799c9 (diff) | |
ENGR00133149 MX50: external speaker amp shutdownrel_imx_2.6.35_10.10.01
Use gpio_6_15 to shutdown external speaker amp when not in use.
Signed-off-by: Alan Tull <alan.tull@freescale.com>
| -rw-r--r-- | arch/arm/mach-mx5/mx50_rdp.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm/mach-mx5/mx50_rdp.c b/arch/arm/mach-mx5/mx50_rdp.c index 5d87d04ee9fa..377de3c9f105 100644 --- a/arch/arm/mach-mx5/mx50_rdp.c +++ b/arch/arm/mach-mx5/mx50_rdp.c @@ -112,6 +112,7 @@ #define CSPI_CS1 (3*32 + 13) /*GPIO_4_13 */ #define CSPI_CS2 (3*32 + 11) /*GPIO_4_11*/ #define SGTL_OSCEN (5*32 + 8) /*GPIO_6_8*/ +#define SGTL_AMP_SHDN (5*32 + 15) /*GPIO_6_15*/ #define FEC_EN (5*32 + 23) /*GPIO_6_23*/ #define FEC_RESET_B (3*32 + 12) /*GPIO_4_12*/ #define USB_OTG_PWR (5*32 + 25) /*GPIO_6_25*/ @@ -266,6 +267,10 @@ static struct pad_desc mx50_rdp[] = { /* SGTL500_OSC_EN */ MX50_PAD_UART1_CTS__GPIO_6_8, + + /* SGTL_AMP_SHDN */ + MX50_PAD_UART3_RXD__GPIO_6_15, + /* Keypad */ MX50_PAD_KEY_COL0__KEY_COL0, MX50_PAD_KEY_ROW0__KEY_ROW0, @@ -999,7 +1004,7 @@ static struct mxc_mmc_platform_data mmc3_data = { static int mxc_sgtl5000_amp_enable(int enable) { -/* TO DO */ + gpio_set_value(SGTL_AMP_SHDN, !enable); return 0; } @@ -1279,6 +1284,9 @@ static void __init mx50_rdp_io_init(void) gpio_request(SGTL_OSCEN, "sgtl5000-osc-en"); gpio_direction_output(SGTL_OSCEN, 1); + gpio_request(SGTL_AMP_SHDN, "sgtl5000-amp-shdn"); + gpio_direction_output(SGTL_AMP_SHDN, 1); + gpio_request(FEC_EN, "fec-en"); gpio_direction_output(FEC_EN, 0); |