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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84847275fa0sm3400499b3a.22.2026.07.09.22.06.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Jul 2026 22:06:13 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown , Takashi Iwai , Nick Li , Herve Codina Cc: Support Opensource , Liam Girdwood , Jaroslav Kysela , Srinivas Kandagatla , Charles Keepax , Richard Fitzgerald , Matthias Brugger , AngeloGioacchino Del Regno , Shenghao Ding , Kevin Lu , Baojun Xu , Sen Wang , Oder Chiou , Linus Walleij , Kuninori Morimoto , u.kleine-koenig@baylibre.com, Zhang Yi , Marco Crivellari , Kees Cook , HyeongJun An , Arnd Bergmann , Qianfeng Rong , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, patches@opensource.cirrus.com, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, bui duc phuc Subject: [PATCH v3 08/27] ASoC: codecs: hdmi-codec: Use guard() for mutex locks Date: Fri, 10 Jul 2026 12:04:52 +0700 Message-ID: <20260710050511.14439-6-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260710050511.14439-1-phucduc.bui@gmail.com> References: <20260709045902.498848-1-phucduc.bui@gmail.com> <20260710050511.14439-1-phucduc.bui@gmail.com> Precedence: bulk X-Mailing-List: linux-arm-msm@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/hdmi-codec.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c index 13ae9e83bc21..bc2c22436ba6 100644 --- a/sound/soc/codecs/hdmi-codec.c +++ b/sound/soc/codecs/hdmi-codec.c @@ -4,6 +4,7 @@ * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/ * Author: Jyri Sarha */ +#include #include #include #include @@ -452,31 +453,30 @@ static int hdmi_codec_startup(struct snd_pcm_substream *substream, if (!((has_playback && tx) || (has_capture && !tx))) return 0; - mutex_lock(&hcp->lock); + guard(mutex)(&hcp->lock); if (hcp->busy) { dev_err(dai->dev, "Only one simultaneous stream supported!\n"); - mutex_unlock(&hcp->lock); return -EINVAL; } if (hcp->hcd.ops->audio_startup) { ret = hcp->hcd.ops->audio_startup(dai->dev->parent, hcp->hcd.data); if (ret) - goto err; + return ret; } if (tx && hcp->hcd.ops->get_eld) { ret = hcp->hcd.ops->get_eld(dai->dev->parent, hcp->hcd.data, hcp->eld, sizeof(hcp->eld)); if (ret) - goto err; + return ret; snd_parse_eld(dai->dev, &hcp->eld_parsed, hcp->eld, sizeof(hcp->eld)); ret = snd_pcm_hw_constraint_eld(substream->runtime, hcp->eld); if (ret) - goto err; + return ret; /* Select chmap supported */ hdmi_codec_eld_chmap(hcp); @@ -484,8 +484,6 @@ static int hdmi_codec_startup(struct snd_pcm_substream *substream, hcp->busy = true; -err: - mutex_unlock(&hcp->lock); return ret; } @@ -503,9 +501,8 @@ static void hdmi_codec_shutdown(struct snd_pcm_substream *substream, hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN; hcp->hcd.ops->audio_shutdown(dai->dev->parent, hcp->hcd.data); - mutex_lock(&hcp->lock); + guard(mutex)(&hcp->lock); hcp->busy = false; - mutex_unlock(&hcp->lock); } static int hdmi_codec_fill_codec_params(struct snd_soc_dai *dai, -- 2.43.0