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ASoC: rt5670: make bias level more reasonable

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This patah separate bias level off to standby and off. The standby
level will provide the necessary power for JD and push button
functions.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao 2014-11-12 19:54:30 +08:00 committed by Mark Brown
parent 0605815e7e
commit 044b724ada
1 changed files with 20 additions and 7 deletions
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27
sound/soc/codecs/rt5670.c
View file

@ -2310,6 +2310,8 @@ static int rt5670_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
static int rt5670_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct rt5670_priv *rt5670 = snd_soc_codec_get_drvdata(codec);
switch (level) {
case SND_SOC_BIAS_PREPARE:
if (SND_SOC_BIAS_STANDBY == codec->dapm.bias_level) {
@ -2331,16 +2333,27 @@ static int rt5670_set_bias_level(struct snd_soc_codec *codec,
}
break;
case SND_SOC_BIAS_STANDBY:
snd_soc_write(codec, RT5670_PWR_DIG1, 0x0000);
snd_soc_write(codec, RT5670_PWR_DIG2, 0x0001);
snd_soc_write(codec, RT5670_PWR_VOL, 0x0000);
snd_soc_write(codec, RT5670_PWR_MIXER, 0x0001);
snd_soc_write(codec, RT5670_PWR_ANLG1, 0x2800);
snd_soc_write(codec, RT5670_PWR_ANLG2, 0x0004);
snd_soc_update_bits(codec, RT5670_DIG_MISC, 0x1, 0x0);
snd_soc_update_bits(codec, RT5670_PWR_ANLG1,
RT5670_PWR_VREF1 | RT5670_PWR_VREF2 |
RT5670_PWR_FV1 | RT5670_PWR_FV2, 0);
snd_soc_update_bits(codec, RT5670_PWR_ANLG1,
RT5670_LDO_SEL_MASK, 0x1);
break;
case SND_SOC_BIAS_OFF:
if (rt5670->pdata.jd_mode)
snd_soc_update_bits(codec, RT5670_PWR_ANLG1,
RT5670_PWR_VREF1 | RT5670_PWR_MB |
RT5670_PWR_BG | RT5670_PWR_VREF2 |
RT5670_PWR_FV1 | RT5670_PWR_FV2,
RT5670_PWR_MB | RT5670_PWR_BG);
else
snd_soc_update_bits(codec, RT5670_PWR_ANLG1,
RT5670_PWR_VREF1 | RT5670_PWR_MB |
RT5670_PWR_BG | RT5670_PWR_VREF2 |
RT5670_PWR_FV1 | RT5670_PWR_FV2, 0);
snd_soc_update_bits(codec, RT5670_DIG_MISC, 0x1, 0x0);
break;
default:
break;