[PATCH 3/4] ASoC: mt8192: Report an error if when an invalid sidetone gain is written

Reporting an error on invalid values is optional but helpful to userspace so do so.

Signed-off-by: Mark Brown broonie@kernel.org --- sound/soc/mediatek/mt8192/mt8192-dai-adda.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/sound/soc/mediatek/mt8192/mt8192-dai-adda.c b/sound/soc/mediatek/mt8192/mt8192-dai-adda.c index a33d1ce33349..a02a297c0450 100644 --- a/sound/soc/mediatek/mt8192/mt8192-dai-adda.c +++ b/sound/soc/mediatek/mt8192/mt8192-dai-adda.c @@ -601,6 +601,8 @@ static int stf_positive_gain_set(struct snd_kcontrol *kcontrol, POSITIVE_GAIN_MASK_SFT, (gain_db / 6) << POSITIVE_GAIN_SFT, &change); + } else { + return -EINVAL; }

return change;