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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2011-11-10 16:21:01 -0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-11 08:47:03 +0000
commited2dd7da35cad3115c38fd42eecbecae899a1d7a (patch)
tree25b2788804ccb5d642ee98e79694b8022ad2a528 /sound/soc/codecs/ak4642.c
parent88c494b99a5873a46738c4c3f6f37ccce87b03e9 (diff)
ASoC: ak4642: add ak4642_set_bias_level()
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/ak4642.c')
-rw-r--r--sound/soc/codecs/ak4642.c33
1 files changed, 29 insertions, 4 deletions
diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
index b854eb0e6ad..004a093547f 100644
--- a/sound/soc/codecs/ak4642.c
+++ b/sound/soc/codecs/ak4642.c
@@ -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_write(codec, L_IVC, 0x91); /* volume */
snd_soc_write(codec, R_IVC, 0x91); /* volume */
- snd_soc_update_bits(codec, PW_MGMT1, PMVCM | PMMIN | PMDAC,
- PMVCM | PMMIN | PMDAC);
+ snd_soc_update_bits(codec, PW_MGMT1, PMMIN | PMDAC,
+ PMMIN | PMDAC);
snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK, PMHP);
snd_soc_update_bits(codec, PW_MGMT2, HPMTN, HPMTN);
} 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, TIMER, ZTM(0x3) | WTM(0x3));
snd_soc_write(codec, ALC_CTL1, ALC | LMTH0);
- snd_soc_update_bits(codec, PW_MGMT1, PMVCM | PMADL,
- PMVCM | PMADL);
+ snd_soc_update_bits(codec, PW_MGMT1, PMADL, PMADL);
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;
}
+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 = {
.startup = ak4642_dai_startup,
.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,
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;
}
static struct snd_soc_codec_driver soc_codec_dev_ak4642 = {
.probe = ak4642_probe,
+ .remove = ak4642_remove,
.resume = ak4642_resume,
+ .set_bias_level = ak4642_set_bias_level,
.reg_cache_size = ARRAY_SIZE(ak4642_reg),
.reg_word_size = sizeof(u8),
.reg_cache_default = ak4642_reg,