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[4.14,14/25] ASoC: max98090: Generate notifications on changes for custom control

Message ID 20220516193615.114944346@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman May 16, 2022, 7:36 p.m. UTC 
From: Mark Brown <broonie@kernel.org>

[ 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>
---
 sound/soc/codecs/max98090.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index a25183f6fba6..362d1fb2aae9 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[] =