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| author | Jack Yu <jack.yu@realtek.com> | 2020-09-25 16:05:09 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-09-28 17:59:02 +0100 |
| commit | 16346a3cf02ebb8906c6a0ba907f83ea62cc874b (patch) | |
| tree | 5262b7f3c46d01e060045893545c51176913d748 /sound/soc/codecs | |
| parent | 3bf7b94293922e436556b5ac06081af2a3775225 (diff) | |
| download | linux-16346a3cf02ebb8906c6a0ba907f83ea62cc874b.tar.gz linux-16346a3cf02ebb8906c6a0ba907f83ea62cc874b.tar.bz2 linux-16346a3cf02ebb8906c6a0ba907f83ea62cc874b.zip | |
ASoC: rt715: Add power-up delay to fix dmic pop sound issue.
Add 400ms power-up delay recommended to fix pop noise on capture.
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@linux.intel.com>
Signed-off-by: Jack Yu <jack.yu@realtek.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200925210509.83353-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs')
| -rw-r--r-- | sound/soc/codecs/rt715.c | 2 | ||||
| -rw-r--r-- | sound/soc/codecs/rt715.h | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/sound/soc/codecs/rt715.c b/sound/soc/codecs/rt715.c index 099c8bd20006..532c5303e7ab 100644 --- a/sound/soc/codecs/rt715.c +++ b/sound/soc/codecs/rt715.c @@ -9,7 +9,6 @@ */ #include <linux/module.h> -#include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/delay.h> @@ -498,6 +497,7 @@ static int rt715_set_bias_level(struct snd_soc_component *component, regmap_write(rt715->regmap, RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D0); + msleep(RT715_POWER_UP_DELAY_MS); } break; diff --git a/sound/soc/codecs/rt715.h b/sound/soc/codecs/rt715.h index df0f24f9bc0c..d0d0fd2a6fdb 100644 --- a/sound/soc/codecs/rt715.h +++ b/sound/soc/codecs/rt715.h @@ -210,6 +210,8 @@ enum { RT715_AIFS, }; +#define RT715_POWER_UP_DELAY_MS 400 + int rt715_io_init(struct device *dev, struct sdw_slave *slave); int rt715_init(struct device *dev, struct regmap *sdw_regmap, struct regmap *regmap, struct sdw_slave *slave); |