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| author |   Peter Ujfalusi <peter.ujfalusi@ti.com> | 2016-05-11 14:14:05 +0300 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2016-05-11 14:39:33 +0100 |
| commit | 1135ef1139b3ebd5dc762b6b02384f8a7a84f8d4 (patch) | |
| tree | 530d15c854c21d7deca14e100b5fda35034c9909 /sound | |
| parent | Linux 4.6-rc1 (diff) | |
| download | linux-dev-1135ef1139b3ebd5dc762b6b02384f8a7a84f8d4.tar.xz linux-dev-1135ef1139b3ebd5dc762b6b02384f8a7a84f8d4.zip | |
ASoC: twl6040: Select LPPLL during standby
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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/twl6040.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c index bc3de2e844e6..7a744b581cc1 100644 --- a/sound/soc/codecs/twl6040.c +++ b/sound/soc/codecs/twl6040.c @@ -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, |