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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Mark Brown <broonie@kernel.org>, Sasha Levin <sashal@kernel.org>,
	lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com,
	pierre-louis.bossart@linux.intel.com,
	alsa-devel@alsa-project.org
Subject: [PATCH AUTOSEL 4.14 3/5] ASoC: max98090: Generate notifications on changes for custom control
Date: Tue, 10 May 2022 11:46:35 -0400	[thread overview]
Message-ID: <20220510154637.154283-3-sashal@kernel.org> (raw)
In-Reply-To: <20220510154637.154283-1-sashal@kernel.org>

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(-)

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[] =
-- 
2.35.1


  parent reply	other threads:[~2022-05-10 15:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-10 15:46 [PATCH AUTOSEL 4.14 1/5] hwmon: (f71882fg) Fix negative temperature Sasha Levin
2022-05-10 15:46 ` [PATCH AUTOSEL 4.14 2/5] ASoC: max98090: Reject invalid values in custom control put() Sasha Levin
2022-05-10 15:46 ` Sasha Levin [this message]
2022-05-10 15:46 ` [PATCH AUTOSEL 4.14 4/5] ASoC: ops: Validate input values in snd_soc_put_volsw_range() Sasha Levin
2022-05-10 15:46 ` [PATCH AUTOSEL 4.14 5/5] tcp: resalt the secret every 10 seconds Sasha Levin

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