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ASoC: codecs: ak4458: Remove set but never checked variable 'ret'

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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]

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
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>
Link: https://lore.kernel.org/r/20200709162328.259586-11-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Lee Jones 2020-07-09 11:23:27 -05:00 committed by Mark Brown
parent c90a67458e
commit cc3cceedcb
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 3 deletions
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6
sound/soc/codecs/ak4458.c
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@ -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);
}