From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f171.google.com (mail-pf1-f171.google.com [209.85.210.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6A8BF364925 for ; Fri, 3 Jul 2026 05:57:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783058273; cv=none; b=uwSX7cP+52b5cjQQXkeSuVCMbg1rzo4Qwhqp3kcpMJpi0QCE5GKONK9jWGW0tLv3SRgdBOizAup6QknKrSXqhJHl2Vys4E+LjRKa3OuwtFQ6ezzlhwDgEaKrrgKLlKjKOLQCCZQcLqeextmkVNkAFaJ/jaNVfe87q1Bmfm0fpXw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783058273; c=relaxed/simple; bh=MHB+vjFfWlUHNNfYgxS6YYgiZANX31/DVhBYct0rLOM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=W+mlB1zHI7uZ4pwfYjv7tvPwX8Ue8x1Npo+ScwJLALHuaPADP8ACbFsUS9cb3Psm76WXsSnN/Hi4mtdCLmP8ot5/hE5KCtsZNqWKFY71BHRJi3ukoA6tbHbpZeRk3dHNVi2rkeoyBpkdz9P8HNpcxYIuDeGG11Vlk2261Ue3wJU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=qup/mrF/; arc=none smtp.client-ip=209.85.210.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="qup/mrF/" Received: by mail-pf1-f171.google.com with SMTP id d2e1a72fcca58-8471013fac2so166510b3a.1 for ; Thu, 02 Jul 2026 22:57:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1783058272; x=1783663072; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=8FzZIorP4Bzh+1kJvRnQPSqCkVRQdA0Z7VAbqDN1WCU=; b=qup/mrF/HXUtS6Z0QU+2fBiNTsuGBaRBLM+D1DbTFrxlNntEc146kVJDg5/xqfqb09 +9W9nLzJL7nr1A+36Es5UhyNO+ij5JfQ0iGjmIYAV6SX+SVGYcv4lM0tn6VGDnwhZiz7 hgKkY6dFV5mZSMTBZXZCGkGLD6Sn/cd7f6loSRKStyw4AVRWE+ZkZXNOWuuTD3kr039l rxOtA+J89BD3F8k9Jb1GLfZjiWjCvjGsG+kz3A6mMU+xFbLNanBD+O3zptx3pC9EEIVe J0rQpuxW6UOyofFeX6/XAIjOqPHq4so03iYm+FdEdaTcVFZSU7cEhTmgB/ukZKqVgYa8 IUAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783058272; x=1783663072; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=8FzZIorP4Bzh+1kJvRnQPSqCkVRQdA0Z7VAbqDN1WCU=; b=oJI3hgP9VLfdDlL8kyWsomc6S//MQ0ZHlSH9G0YafkjKovi2ERfJGoRwSvCVDhPa19 3/WeCg7njBt4lAdZgq99RZ1l3ZfoCISZN+oi2CumDqpkbHJnb1oAvErD0xSXon9yZil2 0tGUZEtcto3u3zrcrPYxZupeIvTWHCfs2OSzUjQpxHbflj9EJBGVzmoPaTnmrr/GMxtB aoJjouWgn0WLJE2pFN0+LpFuDdORneCv6j2RxnzJGeQmES2y3Q11+46e2Q6ZDZUzUuBa ZrXExU7rMnRJDZ5Tbu9I3bguKV22/ss2z43n78whSfGhwHpqsClJZNMztfuc5GMhjBNR ypyg== X-Forwarded-Encrypted: i=1; AFNElJ/uJoC3r3OriSbh0J5ZU0eQ+DjgCHfS7jby/mA4CL7iVn4qoENDbbZ8PmqkchyHQhELE5b0ELiUNnxJoQ==@vger.kernel.org X-Gm-Message-State: AOJu0YzSCJLp+3TOo3Sur9USaIwR1tSWxj9OzlYKIqBnut4mTBTdeTL3 FgZM0MaN5MzhJVx5eS5Z3Yy28mos4wNrhZ2dL4RId105Fy5646KQUMYv X-Gm-Gg: AfdE7ckmUutwDLqiIQiIvZvOcOUiD4huFpLFYhGKX2szMLqZbR0INAOSub8mxbvD8sx oUFUzXV+3GIJ4BTzZq+pwWorQYhtOHtw6esCWp8mnRVBhCZ+oA5WFVIv3Avr21HJqSYUMKcy7SZ +ky+TycJZZoW+aIlKweORjvLcc+4kKy98aYVJAD0Icb/z9ijYDM+YhxsVipfgvZriQG4yK+MpkB RQg7uV7ix1lS3IZnrix6dYYWlVBd8CvHo50BXsewpOERkAac+cSLQb7vjflnIhpZg0ptGmgN0Dl 4IhJIJRA6TbO3eFrng7IkOOFbnqZlqV4AATCYAz5zZt6eDX1axffjc5TkAeGDuL/OvTXUjrpX+A JwxnMHFkLS7HR6itL5sQUJQfvOicjmcopYe8AjbUp4xf5CkOZK/rmLJb+31Agt2BIr5Yct2JKr4 jlSW6f8PCHLXqLfnJtjhSkUpm+f9Wf7ThQNu+4PBepzmP0n8I= X-Received: by 2002:a05:6a00:944d:b0:847:83bc:d2a4 with SMTP id d2e1a72fcca58-847c068623bmr7752438b3a.2.1783058271534; Thu, 02 Jul 2026 22:57:51 -0700 (PDT) Received: from phuc-desktop.. ([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-847cb94b3e6sm2340028b3a.33.2026.07.02.22.57.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jul 2026 22:57:51 -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, bui duc phuc Subject: [PATCH v2 23/24] ASoC: codecs: cs48l32: Use guard() for mutex locks Date: Fri, 3 Jul 2026 12:53:54 +0700 Message-ID: <20260703055355.244898-24-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260703055355.244898-1-phucduc.bui@gmail.com> References: <20260703055355.244898-1-phucduc.bui@gmail.com> Precedence: bulk X-Mailing-List: linux-sound@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 --- Changes in v2: Removed the unnecessary else block so update_bits() is not called when no changes are needed. sound/soc/codecs/cs48l32.c | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/sound/soc/codecs/cs48l32.c b/sound/soc/codecs/cs48l32.c index 086ed0f57a85..a9967771124e 100644 --- a/sound/soc/codecs/cs48l32.c +++ b/sound/soc/codecs/cs48l32.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include #include @@ -236,15 +237,13 @@ static int cs48l32_rate_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v int ret; /* Prevent any mixer mux changes while we do this */ - mutex_lock(&cs48l32_codec->rate_lock); + guard(mutex)(&cs48l32_codec->rate_lock); /* The write must be guarded by a number of SYSCLK cycles */ cs48l32_spin_sysclk(cs48l32_codec); ret = snd_soc_put_enum_double(kcontrol, ucontrol); cs48l32_spin_sysclk(cs48l32_codec); - mutex_unlock(&cs48l32_codec->rate_lock); - return ret; } @@ -2242,7 +2241,6 @@ static int cs48l32_dai_set_sysclk(struct snd_soc_dai *dai, struct cs48l32_dai_priv *dai_priv = &cs48l32_codec->dai[dai->id - 1]; unsigned int base = dai->driver->base; unsigned int current_asp_rate, target_asp_rate; - bool change_rate_domain = false; int ret; if (clk_id == dai_priv->clk) @@ -2284,19 +2282,15 @@ static int cs48l32_dai_set_sysclk(struct snd_soc_dai *dai, if ((current_asp_rate & CS48L32_ASP_RATE_MASK) != (target_asp_rate & CS48L32_ASP_RATE_MASK)) { - change_rate_domain = true; - - mutex_lock(&cs48l32_codec->rate_lock); /* Guard the rate change with SYSCLK cycles */ - cs48l32_spin_sysclk(cs48l32_codec); - } - - snd_soc_component_update_bits(component, base + CS48L32_ASP_CONTROL1, - CS48L32_ASP_RATE_MASK, target_asp_rate); - - if (change_rate_domain) { - cs48l32_spin_sysclk(cs48l32_codec); - mutex_unlock(&cs48l32_codec->rate_lock); + scoped_guard(mutex, &cs48l32_codec->rate_lock) { + cs48l32_spin_sysclk(cs48l32_codec); + snd_soc_component_update_bits(component, + base + CS48L32_ASP_CONTROL1, + CS48L32_ASP_RATE_MASK, + target_asp_rate); + cs48l32_spin_sysclk(cs48l32_codec); + } } } -- 2.43.0