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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-11 20:03:48 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-12 19:41:02 +0200 |
| commit | e4dd76788c7e5b27165890d712c8c4f6f0abd645 (patch) | |
| tree | f6122cd8a021069b700fc7531f6b60f027a2e15a | |
| parent | ASoC: Free memory in the error paths of soc_of_parse_audio_routing() (diff) | |
| download | linux-e4dd76788c7e5b27165890d712c8c4f6f0abd645.tar.xz linux-e4dd76788c7e5b27165890d712c8c4f6f0abd645.zip | |
ASoC: wm8962: Redo early init of the part on resume
Ensure robust startup of the part by going through the reset procedure
prior to resyncing the full register cache, avoiding potential intermittent
faults in some designs.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
| -rw-r--r-- | sound/soc/codecs/wm8962.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index beb709bd56cd..eaf65863ec21 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -3725,6 +3725,9 @@ static int wm8962_runtime_resume(struct device *dev) } regcache_cache_only(wm8962->regmap, false); + + wm8962_reset(wm8962); + regcache_sync(wm8962->regmap); regmap_update_bits(wm8962->regmap, WM8962_ANTI_POP, |