Unverified Commit 730e051c authored by Shuming Fan's avatar Shuming Fan Committed by Mark Brown
Browse files

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: default avatarShuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20190719063249.18806-1-shumingf@realtek.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 980c10cd

sound/soc/codecs/rt1308.c

+5 −4
Original line number Diff line number Diff line
@@ -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;

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