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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3081e5d0828sm24616275eec.10.2026.06.17.03.40.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jun 2026 03:41:04 -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 52/78] ASoC: codecs: sigmadsp: Use guard() for mutex locks Date: Wed, 17 Jun 2026 17:32:09 +0700 Message-ID: <20260617103235.449609-53-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/sigmadsp.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/sound/soc/codecs/sigmadsp.c b/sound/soc/codecs/sigmadsp.c index 2e08fde3989c..592aba25de11 100644 --- a/sound/soc/codecs/sigmadsp.c +++ b/sound/soc/codecs/sigmadsp.c @@ -135,7 +135,7 @@ static int sigmadsp_ctrl_put(struct snd_kcontrol *kcontrol, uint8_t *data; int ret = 0; - mutex_lock(&sigmadsp->lock); + guard(mutex)(&sigmadsp->lock); data = ucontrol->value.bytes.data; @@ -148,8 +148,6 @@ static int sigmadsp_ctrl_put(struct snd_kcontrol *kcontrol, ctrl->cached = true; } - mutex_unlock(&sigmadsp->lock); - return ret; } @@ -160,7 +158,7 @@ static int sigmadsp_ctrl_get(struct snd_kcontrol *kcontrol, struct sigmadsp *sigmadsp = snd_kcontrol_chip(kcontrol); int ret = 0; - mutex_lock(&sigmadsp->lock); + guard(mutex)(&sigmadsp->lock); if (!ctrl->cached) { ret = sigmadsp_read(sigmadsp, ctrl->addr, ctrl->cache, @@ -174,8 +172,6 @@ static int sigmadsp_ctrl_get(struct snd_kcontrol *kcontrol, ctrl->num_bytes); } - mutex_unlock(&sigmadsp->lock); - return ret; } @@ -677,10 +673,10 @@ static void sigmadsp_activate_ctrl(struct sigmadsp *sigmadsp, return; changed = snd_ctl_activate_id(card, &ctrl->kcontrol->id, active); if (active && changed > 0) { - mutex_lock(&sigmadsp->lock); - if (ctrl->cached) - sigmadsp_ctrl_write(sigmadsp, ctrl, ctrl->cache); - mutex_unlock(&sigmadsp->lock); + scoped_guard(mutex, &sigmadsp->lock) { + if (ctrl->cached) + sigmadsp_ctrl_write(sigmadsp, ctrl, ctrl->cache); + } } } -- 2.43.0