diff options
| author | Bard Liao <bardliao@realtek.com> | 2016-10-20 10:13:44 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-10-24 18:03:14 +0100 |
| commit | d01580c394f58dff234a03f0f2f32c051a556f15 (patch) | |
| tree | bb7c427bf68091449951b07cf09d11c98e59a57d /sound | |
| parent | 1001354ca34179f3db924eb66672442a173147dc (diff) | |
| download | linux-d01580c394f58dff234a03f0f2f32c051a556f15.tar.bz2 | |
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: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/rt5660.c | 4 | ||||
| -rw-r--r-- | sound/soc/codecs/rt5660.h | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5660.c b/sound/soc/codecs/rt5660.c index 9f0933ced804..76cf76a2e9b6 100644 --- a/sound/soc/codecs/rt5660.c +++ b/sound/soc/codecs/rt5660.c @@ -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); diff --git a/sound/soc/codecs/rt5660.h b/sound/soc/codecs/rt5660.h index 6cdb9269ec9e..bba18fb66b6f 100644 --- a/sound/soc/codecs/rt5660.h +++ b/sound/soc/codecs/rt5660.h @@ -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 |