On 5/31/16, 6:06 PM, "Nicolin Chen" <nicoleotsuka@xxxxxxxxx> wrote:
>Regcache_sync() might fail. So this patch adds a return value Check for
>it.
>
>Signed-off-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx>
>---
> sound/soc/codecs/cs53l30.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
>diff --git a/sound/soc/codecs/cs53l30.c b/sound/soc/codecs/cs53l30.c
>index 9aff449..ac90dd7 100644
>--- a/sound/soc/codecs/cs53l30.c
>+++ b/sound/soc/codecs/cs53l30.c
>@@ -1055,7 +1055,11 @@ static int cs53l30_runtime_resume(struct device
>*dev)
> gpiod_set_value_cansleep(cs53l30->reset_gpio, 1);
>
> regcache_cache_only(cs53l30->regmap, false);
>- regcache_sync(cs53l30->regmap);
>+ ret = regcache_sync(cs53l30->regmap);
>+ if (ret) {
>+ dev_err(dev, "failed to synchronize regcache: %d\n", ret);
>+ return ret;
>+ }
>
> return 0;
> }
>--
>2.1.4
Acked-by: Paul Handrigan <Paul.Handrigan@xxxxxxxxxx>
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