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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3081e5d0828sm24616275eec.10.2026.06.17.03.38.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jun 2026 03:38:57 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown Cc: Liam Girdwood , Jaroslav Kysela , Takashi Iwai , Cheng-Yi Chiang , Tzung-Bi Shih , Guenter Roeck , Benson Leung , David Rhodes , Richard Fitzgerald , povik+lin@cutebit.org, Charles Keepax , Support Opensource , Nick Li , Herve Codina , Srinivas Kandagatla , Matthias Brugger , AngeloGioacchino Del Regno , Shenghao Ding , Kevin Lu , Baojun Xu , Sen Wang , Oder Chiou , Lars-Peter Clausen , nuno.sa@analog.com, Steven Eckhoff , patches@opensource.cirrus.com, chrome-platform@lists.linux.dev, asahi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, bui duc phuc Subject: [PATCH 38/78] ASoC: codecs: pcm512x: Use guard() for mutex locks Date: Wed, 17 Jun 2026 17:31:55 +0700 Message-ID: <20260617103235.449609-39-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260617103235.449609-1-phucduc.bui@gmail.com> References: <20260617103235.449609-1-phucduc.bui@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc Clean up the code using guard() for mutex locks. Merely code refactoring, and no behavior change. Signed-off-by: bui duc phuc --- sound/soc/codecs/pcm512x.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c index fdef98ce52f1..f4206f49f5b6 100644 --- a/sound/soc/codecs/pcm512x.c +++ b/sound/soc/codecs/pcm512x.c @@ -399,10 +399,9 @@ static int pcm512x_digital_playback_switch_get(struct snd_kcontrol *kcontrol, struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct pcm512x_priv *pcm512x = snd_soc_component_get_drvdata(component); - mutex_lock(&pcm512x->mutex); + guard(mutex)(&pcm512x->mutex); ucontrol->value.integer.value[0] = !(pcm512x->mute & 0x4); ucontrol->value.integer.value[1] = !(pcm512x->mute & 0x2); - mutex_unlock(&pcm512x->mutex); return 0; } @@ -414,7 +413,7 @@ static int pcm512x_digital_playback_switch_put(struct snd_kcontrol *kcontrol, struct pcm512x_priv *pcm512x = snd_soc_component_get_drvdata(component); int ret, changed = 0; - mutex_lock(&pcm512x->mutex); + guard(mutex)(&pcm512x->mutex); if ((pcm512x->mute & 0x4) == (ucontrol->value.integer.value[0] << 2)) { pcm512x->mute ^= 0x4; @@ -430,13 +429,10 @@ static int pcm512x_digital_playback_switch_put(struct snd_kcontrol *kcontrol, if (ret != 0) { dev_err(component->dev, "Failed to update digital mute: %d\n", ret); - mutex_unlock(&pcm512x->mutex); return ret; } } - mutex_unlock(&pcm512x->mutex); - return changed; } @@ -1465,7 +1461,7 @@ static int pcm512x_mute(struct snd_soc_dai *dai, int mute, int direction) int ret; unsigned int mute_det; - mutex_lock(&pcm512x->mutex); + guard(mutex)(&pcm512x->mutex); if (mute) { pcm512x->mute |= 0x1; @@ -1475,7 +1471,7 @@ static int pcm512x_mute(struct snd_soc_dai *dai, int mute, int direction) if (ret != 0) { dev_err(component->dev, "Failed to set digital mute: %d\n", ret); - goto unlock; + return ret; } regmap_read_poll_timeout(pcm512x->regmap, @@ -1488,7 +1484,7 @@ static int pcm512x_mute(struct snd_soc_dai *dai, int mute, int direction) if (ret != 0) { dev_err(component->dev, "Failed to update digital mute: %d\n", ret); - goto unlock; + return ret; } regmap_read_poll_timeout(pcm512x->regmap, @@ -1499,9 +1495,6 @@ static int pcm512x_mute(struct snd_soc_dai *dai, int mute, int direction) 200, 10000); } -unlock: - mutex_unlock(&pcm512x->mutex); - return ret; } -- 2.43.0