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ASoC: es8316: reinit codec when resume from deep sleep.

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because codec power will be cut off when enter deep sleep.
so need reinit codec when resume.

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
This commit is contained in:
Sugar Zhang
2015-07-10 16:46:25 +08:00
parent fbe8dc221a
commit 1aa4889524
1 changed files with 33 additions and 0 deletions
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33
sound/soc/codecs/es8316.c
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@@ -1121,6 +1121,39 @@ static int es8316_suspend(struct snd_soc_codec *codec)
static int es8316_resume(struct snd_soc_codec *codec)
{
struct es8316_priv *es8316 = snd_soc_codec_get_drvdata(codec);
int retv;
pr_info("%s: %d\n", __func__, __LINE__);
retv = es8316_reset(codec); /* UPDATED BY DAVID,15-3-5 */
retv = snd_soc_read(codec, ES8316_CLKMGR_ADCDIV2_REG05);
if (retv == 0) {
es8316_init_regs(codec);
if (es8316->dmic_amic == dmic_used) {
/* set gpio2 to DMIC CLK */
snd_soc_write(codec, ES8316_GPIO_SEL_REG4D, 0x02);
} else {
/* set gpio2 to GM SHORT */
snd_soc_write(codec, ES8316_GPIO_SEL_REG4D, 0x00);
}
/* max debance time, enable interrupt, low active */
snd_soc_write(codec, ES8316_GPIO_DEBUNCE_INT_REG4E, 0xf3);
/* es8316_set_bias_level(codec, SND_SOC_BIAS_OFF); */
snd_soc_write(codec, ES8316_CPHP_OUTEN_REG17, 0x00);
snd_soc_write(codec, ES8316_DAC_PDN_REG2F, 0x11);
snd_soc_write(codec, ES8316_CPHP_LDOCTL_REG1B, 0x03);
snd_soc_write(codec, ES8316_CPHP_PDN2_REG1A, 0x22);
snd_soc_write(codec, ES8316_CPHP_PDN1_REG19, 0x06);
snd_soc_write(codec, ES8316_HPMIX_SWITCH_REG14, 0x00);
snd_soc_write(codec, ES8316_HPMIX_PDN_REG15, 0x33);
snd_soc_write(codec, ES8316_HPMIX_VOL_REG16, 0x00);
snd_soc_write(codec, ES8316_SYS_PDN_REG0D, 0x3F);
snd_soc_write(codec, ES8316_SYS_LP1_REG0E, 0xFF);
snd_soc_write(codec, ES8316_SYS_LP2_REG0F, 0xFF);
snd_soc_write(codec, ES8316_CLKMGR_CLKSW_REG01, 0xF3);
snd_soc_write(codec, ES8316_ADC_PDN_LINSEL_REG22, 0xc0);
es8316_init_reg = 1;
}
return 0;
}