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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-387d20a2f2fsm2784349a91.13.2026.07.08.05.51.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jul 2026 05:51:26 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown , Takashi Iwai , Tzung-Bi Shih , David Rhodes , Charles Keepax Cc: Liam Girdwood , Jaroslav Kysela , Cheng-Yi Chiang , Guenter Roeck , Benson Leung , Richard Fitzgerald , povik+lin@cutebit.org, u.kleine-koenig@baylibre.com, kuninori.morimoto.gx@renesas.com, christian.ehrhardt@codasip.com, Linus Walleij , Arnd Bergmann , Sakari Ailus , Thorsten Blum , Chris Morgan , Dan Carpenter , Marco Crivellari , Rosen Penev , Weidong Wang , Teguh Sobirin , Val Packett , Luca Weiss , wangdicheng , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, patches@opensource.cirrus.com, chrome-platform@lists.linux.dev, asahi@lists.linux.dev, Cezary Rojewski , bui duc phuc Subject: [PATCH v4 07/24] ASoC: codecs: aw88166: Use guard() for mutex locks Date: Wed, 8 Jul 2026 19:49:44 +0700 Message-ID: <20260708125002.202515-8-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260708125002.202515-1-phucduc.bui@gmail.com> References: <20260708125002.202515-1-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. Reviewed-by: Cezary Rojewski Signed-off-by: bui duc phuc --- sound/soc/codecs/aw88166.c | 24 ++++++++++-------------- 1 file changed, 10 insertions(+), 14 deletions(-) diff --git a/sound/soc/codecs/aw88166.c b/sound/soc/codecs/aw88166.c index 3f15f4ac51f7..b72f87f677dd 100644 --- a/sound/soc/codecs/aw88166.c +++ b/sound/soc/codecs/aw88166.c @@ -7,6 +7,7 @@ // Author: Weidong Wang // +#include #include #include #include @@ -1173,9 +1174,8 @@ static void aw88166_startup_work(struct work_struct *work) struct aw88166 *aw88166 = container_of(work, struct aw88166, start_work.work); - mutex_lock(&aw88166->lock); + guard(mutex)(&aw88166->lock); aw88166_start_pa(aw88166); - mutex_unlock(&aw88166->lock); } static void aw88166_start(struct aw88166 *aw88166, bool sync_start) @@ -1413,11 +1413,10 @@ static int aw88166_profile_set(struct snd_kcontrol *kcontrol, struct aw88166 *aw88166 = snd_soc_component_get_drvdata(codec); int ret; - mutex_lock(&aw88166->lock); + guard(mutex)(&aw88166->lock); ret = aw88166_dev_set_profile_index(aw88166->aw_pa, ucontrol->value.integer.value[0]); if (ret) { dev_dbg(codec->dev, "profile index does not change"); - mutex_unlock(&aw88166->lock); return 0; } @@ -1426,8 +1425,6 @@ static int aw88166_profile_set(struct snd_kcontrol *kcontrol, aw88166_start(aw88166, AW88166_SYNC_START); } - mutex_unlock(&aw88166->lock); - return 1; } @@ -1607,12 +1604,12 @@ static int aw88166_request_firmware_file(struct aw88166 *aw88166) return ret; } - mutex_lock(&aw88166->lock); - /* aw device init */ - ret = aw88166_dev_init(aw88166, aw88166->aw_cfg); - if (ret) - dev_err(aw88166->aw_pa->dev, "dev init failed\n"); - mutex_unlock(&aw88166->lock); + scoped_guard(mutex, &aw88166->lock) { + /* aw device init */ + ret = aw88166_dev_init(aw88166, aw88166->aw_cfg); + if (ret) + dev_err(aw88166->aw_pa->dev, "dev init failed\n"); + } return ret; } @@ -1639,7 +1636,7 @@ static int aw88166_playback_event(struct snd_soc_dapm_widget *w, struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct aw88166 *aw88166 = snd_soc_component_get_drvdata(component); - mutex_lock(&aw88166->lock); + guard(mutex)(&aw88166->lock); switch (event) { case SND_SOC_DAPM_PRE_PMU: aw88166_start(aw88166, AW88166_ASYNC_START); @@ -1650,7 +1647,6 @@ static int aw88166_playback_event(struct snd_soc_dapm_widget *w, default: break; } - mutex_unlock(&aw88166->lock); return 0; } -- 2.43.0