Looks as though the result of snd_soc_update_bits() has never been checked.
Fixes the following W=1 kernel build warning(s):
sound/soc/codecs/ak4458.c: In function ‘ak4458_set_dai_mute’: sound/soc/codecs/ak4458.c:408:16: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Cc: Kuninori Morimoto kuninori.morimoto.gx@renesas.com Cc: Junichi Wakasugi wakasugi.jb@om.asahi-kasei.co.jp Cc: Mihai Serban mihai.serban@nxp.com Signed-off-by: Lee Jones lee.jones@linaro.org --- sound/soc/codecs/ak4458.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/sound/soc/codecs/ak4458.c b/sound/soc/codecs/ak4458.c index f180cb5dfe4f1..39ae089dcd1d8 100644 --- a/sound/soc/codecs/ak4458.c +++ b/sound/soc/codecs/ak4458.c @@ -405,7 +405,7 @@ static int ak4458_set_dai_mute(struct snd_soc_dai *dai, int mute) { struct snd_soc_component *component = dai->component; struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component); - int nfs, ndt, ret, reg; + int nfs, ndt, reg; int ats;
nfs = ak4458->fs; @@ -416,14 +416,14 @@ static int ak4458_set_dai_mute(struct snd_soc_dai *dai, int mute) ndt = att_speed[ats] / (nfs / 1000);
if (mute) { - ret = snd_soc_component_update_bits(component, AK4458_01_CONTROL2, 0x01, 1); + snd_soc_component_update_bits(component, AK4458_01_CONTROL2, 0x01, 1); mdelay(ndt); if (ak4458->mute_gpiod) gpiod_set_value_cansleep(ak4458->mute_gpiod, 1); } else { if (ak4458->mute_gpiod) gpiod_set_value_cansleep(ak4458->mute_gpiod, 0); - ret = snd_soc_component_update_bits(component, AK4458_01_CONTROL2, 0x01, 0); + snd_soc_component_update_bits(component, AK4458_01_CONTROL2, 0x01, 0); mdelay(ndt); }