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ASoC: twl6040: Select LPPLL during standby

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When the codec is in standby we do not need to keep the HPPLL active.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi 2016-05-11 14:14:05 +03:00 committed by Mark Brown
parent f55532a0c0
commit 1135ef1139
1 changed files with 8 additions and 4 deletions
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12
sound/soc/codecs/twl6040.c
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@ -824,7 +824,7 @@ static int twl6040_set_bias_level(struct snd_soc_codec *codec,
{
struct twl6040 *twl6040 = codec->control_data;
struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec);
int ret;
int ret = 0;
switch (level) {
case SND_SOC_BIAS_ON:
@ -832,12 +832,16 @@ static int twl6040_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
if (priv->codec_powered)
if (priv->codec_powered) {
/* Select low power PLL in standby */
ret = twl6040_set_pll(twl6040, TWL6040_SYSCLK_SEL_LPPLL,
32768, 19200000);
break;
}
ret = twl6040_power(twl6040, 1);
if (ret)
return ret;
break;
priv->codec_powered = 1;
@ -853,7 +857,7 @@ static int twl6040_set_bias_level(struct snd_soc_codec *codec,
break;
}
return 0;
return ret;
}
static int twl6040_startup(struct snd_pcm_substream *substream,