Messages in this thread Patch in this message | | | From | Ryan Lee <> | Subject | [v2] ASoC: max98373: Added 10ms sleep after amp software reset | Date | Thu, 23 Aug 2018 18:37:08 -0700 |
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Signed-off-by: Ryan Lee <ryans.lee@maximintegrated.com> --- Changes since v1 : Applied usleep_range intead of using mdelay
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); + usleep_range(10000, 11000); /* 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); + usleep_range(10000, 11000); regcache_cache_only(max98373->regmap, false); regcache_sync(max98373->regmap); return 0; -- 2.7.4
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