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ASoC: rt5645: make bias level more reasonale 

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 2014-11-04 13:15:10 +08:00 committed by Mark Brown
parent cd6e82b814
commit 0b2e4959ce
1 changed files with 17 additions and 8 deletions
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25
sound/soc/codecs/rt5645.c
View File

@ -2069,8 +2069,8 @@ static int rt5645_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
switch (level) {
case SND_SOC_BIAS_STANDBY:
if (SND_SOC_BIAS_OFF == codec->dapm.bias_level) {
case SND_SOC_BIAS_PREPARE:
if (SND_SOC_BIAS_STANDBY == codec->dapm.bias_level) {
snd_soc_update_bits(codec, RT5645_PWR_ANLG1,
RT5645_PWR_VREF1 | RT5645_PWR_MB |
RT5645_PWR_BG | RT5645_PWR_VREF2,
@ -2085,15 +2085,24 @@ static int rt5645_set_bias_level(struct snd_soc_codec *codec,
}
break;
case SND_SOC_BIAS_STANDBY:
snd_soc_update_bits(codec, RT5645_PWR_ANLG1,
RT5645_PWR_VREF1 | RT5645_PWR_MB |
RT5645_PWR_BG | RT5645_PWR_VREF2,
RT5645_PWR_VREF1 | RT5645_PWR_MB |
RT5645_PWR_BG | RT5645_PWR_VREF2);
snd_soc_update_bits(codec, RT5645_PWR_ANLG1,
RT5645_PWR_FV1 | RT5645_PWR_FV2,
RT5645_PWR_FV1 | RT5645_PWR_FV2);
break;
case SND_SOC_BIAS_OFF:
snd_soc_write(codec, RT5645_DEPOP_M2, 0x1100);
snd_soc_write(codec, RT5645_GEN_CTRL1, 0x0128);
snd_soc_write(codec, RT5645_PWR_DIG1, 0x0000);
snd_soc_write(codec, RT5645_PWR_DIG2, 0x0000);
snd_soc_write(codec, RT5645_PWR_VOL, 0x0000);
snd_soc_write(codec, RT5645_PWR_MIXER, 0x0000);
snd_soc_write(codec, RT5645_PWR_ANLG1, 0x0000);
snd_soc_write(codec, RT5645_PWR_ANLG2, 0x0000);
snd_soc_update_bits(codec, RT5645_PWR_ANLG1,
RT5645_PWR_VREF1 | RT5645_PWR_MB |
RT5645_PWR_BG | RT5645_PWR_VREF2 |
RT5645_PWR_FV1 | RT5645_PWR_FV2, 0x0);
break;
default: