This is a note to let you know that I've just added the patch titled ASoC: max98090: Generate notifications on changes for custom control to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: asoc-max98090-generate-notifications-on-changes-for-.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 3428ceec41830260fd7efdee0601ea7d29e0cf39 Author: Mark Brown <broonie@xxxxxxxxxx> Date: Wed Apr 20 20:34:54 2022 +0100 ASoC: max98090: Generate notifications on changes for custom control [ 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@xxxxxxxxxx> Link: https://lore.kernel.org/r/20220420193454.2647908-2-broonie@xxxxxxxxxx Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c index 6e5a4e757bf1..b9f15a260c78 100644 --- a/sound/soc/codecs/max98090.c +++ b/sound/soc/codecs/max98090.c @@ -436,7 +436,7 @@ 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[] =