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authorBard Liao <bardliao@realtek.com>2016-10-17 14:27:16 +0300
committerMark Brown <broonie@kernel.org>2016-10-24 20:31:38 +0300
commita5d93da13c8671f6453ae273cbf1d5c61b897a33 (patch)
tree6c9b37cffdc34a3d754327b491f922cf8a163951 /sound/soc/codecs/rt5670.c
parent1001354ca34179f3db924eb66672442a173147dc (diff)
downloadlinux-a5d93da13c8671f6453ae273cbf1d5c61b897a33.tar.xz
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: Bard Liao <bardliao@realtek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/rt5670.c')
-rw-r--r--sound/soc/codecs/rt5670.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c
index 49caf1393aeb..6caac92143d4 100644
--- a/sound/soc/codecs/rt5670.c
+++ b/sound/soc/codecs/rt5670.c
@@ -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) {