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Subject[PATCH] ASoC: max98373: Added 10ms delay after amp software reset
Date
Signed-off-by: Ryan Lee <ryans.lee@maximintegrated.com>
---
Changes : Applied 10ms delay after amp software reset.
10ms guard time is required for stability.
sound/soc/codecs/max98373.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/sound/soc/codecs/max98373.c b/sound/soc/codecs/max98373.c
index 2764fae..6aaff03 100644
--- a/sound/soc/codecs/max98373.c
+++ b/sound/soc/codecs/max98373.c
@@ -730,6 +730,7 @@ static int max98373_probe(struct snd_soc_component *component)
/* Software Reset */
regmap_write(max98373->regmap,
MAX98373_R2000_SW_RESET, MAX98373_SOFT_RESET);
+ mdelay(10);

/* IV default slot configuration */
regmap_write(max98373->regmap,
@@ -818,6 +819,7 @@ static int max98373_resume(struct device *dev)

regmap_write(max98373->regmap,
MAX98373_R2000_SW_RESET, MAX98373_SOFT_RESET);
+ mdelay(10);
regcache_cache_only(max98373->regmap, false);
regcache_sync(max98373->regmap);
return 0;
--
2.7.4
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