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ASoC: wm8955: harmless underflow in wm8955_put_deemph()

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Valid values for "deemph" are zero and one, but we mistakenly allow
negative values as well.  It's harmless but we may as well clean it up.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dan Carpenter 2015-10-13 10:10:48 +03:00 committed by Mark Brown
parent 6ff33f3902
commit 3e2a71b232
1 changed files with 1 additions and 1 deletions
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sound/soc/codecs/wm8955.c
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@ -402,7 +402,7 @@ static int wm8955_put_deemph(struct snd_kcontrol *kcontrol,
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct wm8955_priv *wm8955 = snd_soc_codec_get_drvdata(codec);
int deemph = ucontrol->value.integer.value[0];
unsigned int deemph = ucontrol->value.integer.value[0];
if (deemph > 1)
return -EINVAL;