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--- linux-2.6.20/sound/nomadik_stw5095.c 2008-11-26 18:36:04.000000000 +0530
+++ ../new/linux-2.6.20/sound/nomadik_stw5095.c 2008-12-02 19:24:57.059205000 +0530
@@ -1993,6 +1993,16 @@ t_codec_error nomadik_acodec_enable_audi
break;
case 0:
+ /*enable the amplifiers*/
+ err = STMPE2401_SetGpioAltFunction(STMPE0,EGPIO_PIN_12,STMPE2401_PRIMARY_FUNCTION);
+ if (err != STMPE2401_OK)
+ printk("Couldn't set STMPE%d %d as primary function\n",STMPE1,EGPIO_PIN_12);
+ err = STMPE2401_SetGpioDir( STMPE0,EGPIO_PIN_12,STMPE2401_GPIO_OUT );
+ if (err != STMPE2401_OK)
+ printk("Couldn't set STMPE EGPIO:%d in Output direction\n", EGPIO_PIN_12);
+ err = STMPE2401_SetGpioVal( STMPE0, EGPIO_PIN_12, 1);
+ if (err != STMPE2401_OK)
+ printk("Couldn't set STMPE GPIO12\n");
codec_error = nomadik_acodec_select_output(CODEC_DEST_LOUDSPEAKER,user);
if (CODEC_OK != codec_error) {
printk("AUDIOCODEC: ERROR: select output failed\n");
@@ -2222,6 +2232,16 @@ t_codec_error nomadik_acodec_enable_voic
break;
case 0:
+ /*enable the amplifiers*/
+ err = STMPE2401_SetGpioAltFunction(STMPE0,EGPIO_PIN_12,STMPE2401_PRIMARY_FUNCTION);
+ if (err != STMPE2401_OK)
+ printk("Couldn't set STMPE%d %d as primary function\n",STMPE1,EGPIO_PIN_12);
+ err = STMPE2401_SetGpioDir( STMPE0,EGPIO_PIN_12,STMPE2401_GPIO_OUT );
+ if (err != STMPE2401_OK)
+ printk("Couldn't set STMPE EGPIO:%d in Output direction\n", EGPIO_PIN_12);
+ err = STMPE2401_SetGpioVal( STMPE0, EGPIO_PIN_12, 1);
+ if (err != STMPE2401_OK)
+ printk("Couldn't set STMPE GPIO12\n");
codec_error = nomadik_acodec_select_output(CODEC_DEST_LOUDSPEAKER,user);
if (CODEC_OK != codec_error) {
printk("AUDIOCODEC: ERROR: select output failed\n");
@@ -2525,11 +2545,22 @@ t_codec_error nomadik_acodec_set_volume(
t_codec_error nomadik_acodec_powerdown(__u8 flag)
{
+ int err=0;
t_codec_error error_status = CODEC_OK;
g_codec_system_context.codec_configuration.cr0_powerup =
CODEC_STW5095_CR0_POWERUP_OFF;
error_status = codec_stw5095_update_cr0();
+ /*disable the amplifiers to save power*/
+ err = STMPE2401_SetGpioAltFunction(STMPE0,EGPIO_PIN_12,STMPE2401_PRIMARY_FUNCTION);
+ if (err != STMPE2401_OK)
+ printk("Couldn't set STMPE%d %d as primary function\n",STMPE1,EGPIO_PIN_12);
+ err = STMPE2401_SetGpioDir( STMPE0,EGPIO_PIN_12,STMPE2401_GPIO_OUT );
+ if (err != STMPE2401_OK)
+ printk("Couldn't set STMPE EGPIO:%d in Output direction\n", EGPIO_PIN_12);
+ err = STMPE2401_SetGpioVal( STMPE0, EGPIO_PIN_12, 0);
+ if (err != STMPE2401_OK)
+ printk("Couldn't set STMPE GPIO12\n");
DEBUG(1, "leaving nomadik_acodec_powerdown() \n");
return (error_status);
@@ -3345,17 +3376,6 @@ static void codec_callback1(void *user)
void codec_hd_amp_init(t_acodec_user user)
{
int err = 0;
- /*enable the amplifier*/
- err = STMPE2401_SetGpioAltFunction(STMPE0,EGPIO_PIN_12,STMPE2401_PRIMARY_FUNCTION);
- if (err != STMPE2401_OK)
- printk("Couldn't set STMPE%d %d as primary function\n",STMPE1,EGPIO_PIN_12);
- err = STMPE2401_SetGpioDir( STMPE0,EGPIO_PIN_12,STMPE2401_GPIO_OUT );
- if (err != STMPE2401_OK)
- printk("Couldn't set STMPE EGPIO:%d in Output direction\n", EGPIO_PIN_12);
- err = STMPE2401_SetGpioVal( STMPE0, EGPIO_PIN_12, 1);
- if (err != STMPE2401_OK)
- printk("Couldn't set STMPE GPIO12\n");
-
/**/
err = STMPE2401_SetGpioAltFunction(STMPE0,EGPIO_PIN_7,STMPE2401_PRIMARY_FUNCTION);
if (err != STMPE2401_OK)
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