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---
sound/nomadik_stw5095.c | 42 +++++++++++++++++++++++++++++++-----------
1 file changed, 31 insertions(+), 11 deletions(-)
--- linux-2.6.20.orig/sound/nomadik_stw5095.c
+++ linux-2.6.20/sound/nomadik_stw5095.c
@@ -1991,10 +1991,20 @@ t_codec_error nomadik_acodec_enable_audi
return CODEC_ERROR;
}
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");
return CODEC_ERROR;
}
@@ -2220,10 +2230,20 @@ t_codec_error nomadik_acodec_enable_voic
return CODEC_ERROR;
}
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");
return CODEC_ERROR;
}
@@ -2523,15 +2543,26 @@ t_codec_error nomadik_acodec_set_volume(
* will be achieved in power management
*/
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);
}
@@ -3343,21 +3374,10 @@ static void codec_callback1(void *user)
}
/*initialize the 5095 codec's amplifier */
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)
printk("Couldn't set STMPE0 %d as primary function\n",EGPIO_PIN_7);
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