From: Mark Brown broonie@kernel.org
stable inclusion from stable-v5.10.117 commit 31606a73baa35acdae6ab95ff5d3928e2d8b4cb0 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L66B
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 13fcf676d9e102594effc686d98521ff5c90b925 ]
The max98090 driver has some custom controls which share a put() function which returns 0 unconditionally, meaning that events are not generated when the value changes. Fix that.
Signed-off-by: Mark Brown broonie@kernel.org Link: https://lore.kernel.org/r/20220420193454.2647908-2-broonie@kernel.org Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- sound/soc/codecs/max98090.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c index 779845e3a9e3..5b6405392f08 100644 --- a/sound/soc/codecs/max98090.c +++ b/sound/soc/codecs/max98090.c @@ -430,7 +430,7 @@ static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol, mask << mc->shift, sel << mc->shift);
- return 0; + return *select != val; }
static const char *max98090_perf_pwr_text[] =