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ASoC: rt1308: add silence detection and manual PDB control 

We enable the silence detection function in initial settings.
PDB control changes to manual mode, hence the driver could
fully control the AMP output on/off.

Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20190719063249.18806-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Shuming Fan 2019-07-19 14:32:49 +08:00 committed by Mark Brown
parent 980c10cda9
commit 730e051c78
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 5 additions and 4 deletions
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9
sound/soc/codecs/rt1308.c
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@ -40,10 +40,10 @@ static const struct reg_sequence init_list[] = {
{ RT1308_VREF, 0x18100000 },
{ RT1308_IV_SENSE, 0x87010000 },
{ RT1308_DUMMY_REG, 0x00000200 },
{ RT1308_SIL_DET, 0x61c30000 },
{ RT1308_SIL_DET, 0xe1c30000 },
{ RT1308_DC_CAL_2, 0x00ffff00 },
{ RT1308_CLK_DET, 0x01000000 },
{ RT1308_POWER_STATUS, 0x00800000 },
{ RT1308_POWER_STATUS, 0x08800000 },
{ RT1308_DAC_SET, 0xafaf0700 },
};
@ -308,12 +308,13 @@ static int rt1308_classd_event(struct snd_soc_dapm_widget *w,
case SND_SOC_DAPM_POST_PMU:
msleep(30);
snd_soc_component_update_bits(component, RT1308_POWER_STATUS,
RT1308_POW_PDB_REG_BIT, RT1308_POW_PDB_REG_BIT);
RT1308_POW_PDB_REG_BIT | RT1308_POW_PDB_MN_BIT,
RT1308_POW_PDB_REG_BIT | RT1308_POW_PDB_MN_BIT);
msleep(40);
break;
case SND_SOC_DAPM_PRE_PMD:
snd_soc_component_update_bits(component, RT1308_POWER_STATUS,
RT1308_POW_PDB_REG_BIT, 0);
RT1308_POW_PDB_REG_BIT | RT1308_POW_PDB_MN_BIT, 0);
usleep_range(150000, 200000);
break;