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ASoC: rt1308: add silence detection and manual PDB control

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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
1 changed files with 5 additions and 4 deletions
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sound/soc/codecs/rt1308.c
+5 -4
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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;