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Commit d01580c3 authored by Bard Liao's avatar Bard Liao Committed by Mark Brown
Browse files

ASoC: rt5660: enable MCLK detection 



There is a power saving mechanism in rt5660. It will turn off some
unused power when MCLK is not present. We call that "MCLK detection"
and it should be enabled by default.

Signed-off-by: default avatarBard Liao <bardliao@realtek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 1001354c

sound/soc/codecs/rt5660.c

+4 −0
Original line number Diff line number Diff line
@@ -1311,6 +1311,10 @@ static int rt5660_i2c_probe(struct i2c_client *i2c, 
	if (ret != 0)

		dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);



	regmap_update_bits(rt5660->regmap, RT5660_GEN_CTRL1,

		RT5660_AUTO_DIS_AMP | RT5660_MCLK_DET | RT5660_POW_CLKDET,

		RT5660_AUTO_DIS_AMP | RT5660_MCLK_DET | RT5660_POW_CLKDET);



	if (rt5660->pdata.dmic1_data_pin) {

		regmap_update_bits(rt5660->regmap, RT5660_GPIO_CTRL1,

			RT5660_GP1_PIN_MASK, RT5660_GP1_PIN_DMIC1_SCL);

sound/soc/codecs/rt5660.h

+3 −0
Original line number Diff line number Diff line
@@ -810,6 +810,9 @@ 
/* General Control 1 (0xfa) */

#define RT5660_PWR_VREF_HP			(0x1 << 11)

#define RT5660_PWR_VREF_HP_SFT			11

#define RT5660_AUTO_DIS_AMP			(0x1 << 6)

#define RT5660_MCLK_DET				(0x1 << 5)

#define RT5660_POW_CLKDET			(0x1 << 1)

#define RT5660_DIG_GATE_CTRL			(0x1)

#define RT5660_DIG_GATE_CTRL_SFT		0