linux-kernel - [PATCH] ASoC: cs35l56: fix reversed if statement in cs35l56_dspwait_asp1tx

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Message-ID: <0c254c07-d1c0-4a5c-a22b-7e135cab032c@moroto.mountain>
Date: Mon, 5 Feb 2024 15:44:30 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Richard Fitzgerald <rf@...nsource.cirrus.com>
Cc: James Schulman <james.schulman@...rus.com>,
	David Rhodes <david.rhodes@...rus.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
	patches@...nsource.cirrus.com, linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH] ASoC: cs35l56: fix reversed if statement in
 cs35l56_dspwait_asp1tx_put()

It looks like the "!" character was added accidentally.  The
regmap_update_bits_check() function is normally going to succeed.  This
means the rest of the function is unreachable and we don't handle the
situation where "changed" is true correctly.

Fixes: 07f7d6e7a124 ("ASoC: cs35l56: Fix for initializing ASP1 mixer registers")
Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
---
>From static analysis and review, not tested.
---
 sound/soc/codecs/cs35l56.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c
index c23e29da4cfb..ebed5ab1245b 100644
--- a/sound/soc/codecs/cs35l56.c
+++ b/sound/soc/codecs/cs35l56.c
@@ -115,7 +115,7 @@ static int cs35l56_dspwait_asp1tx_put(struct snd_kcontrol *kcontrol,
 
 	ret = regmap_update_bits_check(cs35l56->base.regmap, addr,
 				       CS35L56_ASP_TXn_SRC_MASK, val, &changed);
-	if (!ret)
+	if (ret)
 		return ret;
 
 	if (changed)
-- 
2.43.0