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Commit a5d93da1 authored by Bard Liao's avatar Bard Liao Committed by Mark Brown
Browse files

ASoC: rt5670: Enable MCLK detection 



There is a power saving mechanism in rt5670. 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/rt5670.c

+3 −1
Original line number Diff line number Diff line
@@ -2889,6 +2889,9 @@ static int rt5670_i2c_probe(struct i2c_client *i2c, 
	if (ret != 0)

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



	regmap_update_bits(rt5670->regmap, RT5670_DIG_MISC,

				 RT5670_MCLK_DET, RT5670_MCLK_DET);



	if (rt5670->pdata.in2_diff)

		regmap_update_bits(rt5670->regmap, RT5670_IN2,

					RT5670_IN_DF2, RT5670_IN_DF2);
@@ -2903,7 +2906,6 @@ static int rt5670_i2c_probe(struct i2c_client *i2c, 
				   RT5670_GP1_PIN_MASK, RT5670_GP1_PIN_IRQ);

		regmap_update_bits(rt5670->regmap, RT5670_GPIO_CTRL2,

				   RT5670_GP1_PF_MASK, RT5670_GP1_PF_OUT);

		regmap_update_bits(rt5670->regmap, RT5670_DIG_MISC, 0x8, 0x8);

	}



	if (rt5670->pdata.jd_mode) {

sound/soc/codecs/rt5670.h

+1 −0
Original line number Diff line number Diff line
@@ -1914,6 +1914,7 @@ enum { 
#define RT5670_IF1_ADC1_IN2_SFT			11

#define RT5670_IF1_ADC2_IN1_SEL			(0x1 << 10)

#define RT5670_IF1_ADC2_IN1_SFT			10

#define RT5670_MCLK_DET				(0x1 << 3)



/* General Control2 (0xfb) */

#define RT5670_RXDC_SRC_MASK			(0x1 << 7)