AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

ASoC: ak4642: add ak4642_set_bias_level()

Browse Source 
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Kuninori Morimoto 2011-11-10 16:21:01 -08:00 committed by Mark Brown
parent 88c494b99a
commit ed2dd7da35
1 changed files with 29 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
sound/soc/codecs/ak4642.c
View File

@ -196,8 +196,8 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream,
snd_soc_update_bits(codec, MD_CTL3, BST1, BST1); snd_soc_update_bits(codec, MD_CTL3, BST1, BST1);
snd_soc_write(codec, L_IVC, 0x91); /* volume */ snd_soc_write(codec, L_IVC, 0x91); /* volume */
snd_soc_write(codec, R_IVC, 0x91); /* volume */ snd_soc_write(codec, R_IVC, 0x91); /* volume */
snd_soc_update_bits(codec, PW_MGMT1, PMVCM | PMMIN | PMDAC, snd_soc_update_bits(codec, PW_MGMT1, PMMIN | PMDAC,
PMVCM | PMMIN | PMDAC); PMMIN | PMDAC);
snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK, PMHP); snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK, PMHP);
snd_soc_update_bits(codec, PW_MGMT2, HPMTN, HPMTN); snd_soc_update_bits(codec, PW_MGMT2, HPMTN, HPMTN);
} else { } else {
@ -217,8 +217,7 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream,
snd_soc_write(codec, SG_SL1, PMMP | MGAIN0); snd_soc_write(codec, SG_SL1, PMMP | MGAIN0);
snd_soc_write(codec, TIMER, ZTM(0x3) | WTM(0x3)); snd_soc_write(codec, TIMER, ZTM(0x3) | WTM(0x3));
snd_soc_write(codec, ALC_CTL1, ALC | LMTH0); snd_soc_write(codec, ALC_CTL1, ALC | LMTH0);
snd_soc_update_bits(codec, PW_MGMT1, PMVCM | PMADL, snd_soc_update_bits(codec, PW_MGMT1, PMADL, PMADL);
PMVCM | PMADL);
snd_soc_update_bits(codec, PW_MGMT3, PMADR, PMADR); snd_soc_update_bits(codec, PW_MGMT3, PMADR, PMADR);
} }
@ -376,6 +375,22 @@ static int ak4642_dai_hw_params(struct snd_pcm_substream *substream,
return 0; return 0;
} }
static int ak4642_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
switch (level) {
case SND_SOC_BIAS_OFF:
snd_soc_write(codec, PW_MGMT1, 0x00);
break;
default:
snd_soc_update_bits(codec, PW_MGMT1, PMVCM, PMVCM);
break;
}
codec->dapm.bias_level = level;
return 0;
}
static struct snd_soc_dai_ops ak4642_dai_ops = { static struct snd_soc_dai_ops ak4642_dai_ops = {
.startup = ak4642_dai_startup, .startup = ak4642_dai_startup,
.shutdown = ak4642_dai_shutdown, .shutdown = ak4642_dai_shutdown,
@ -425,12 +440,22 @@ static int ak4642_probe(struct snd_soc_codec *codec)
snd_soc_add_controls(codec, ak4642_snd_controls, snd_soc_add_controls(codec, ak4642_snd_controls,
ARRAY_SIZE(ak4642_snd_controls)); ARRAY_SIZE(ak4642_snd_controls));
ak4642_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
static int ak4642_remove(struct snd_soc_codec *codec)
{
ak4642_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0; return 0;
} }
static struct snd_soc_codec_driver soc_codec_dev_ak4642 = { static struct snd_soc_codec_driver soc_codec_dev_ak4642 = {
.probe = ak4642_probe, .probe = ak4642_probe,
.remove = ak4642_remove,
.resume = ak4642_resume, .resume = ak4642_resume,
.set_bias_level = ak4642_set_bias_level,
.reg_cache_size = ARRAY_SIZE(ak4642_reg), .reg_cache_size = ARRAY_SIZE(ak4642_reg),
.reg_word_size = sizeof(u8), .reg_word_size = sizeof(u8),
.reg_cache_default = ak4642_reg, .reg_cache_default = ak4642_reg,