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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39e3617443asm13253792a91.9.2026.09.18.06.40.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Sep 2026 06:40:54 -0700 (PDT) From: phucduc.bui@gmail.com To: Mark Brown , AngeloGioacchino Del Regno Cc: Liam Girdwood , Matthias Brugger , Jaroslav Kysela , Takashi Iwai , Kuninori Morimoto , cassiogabrielcontato@gmail.com, Linus Walleij , Bartosz Golaszewski , Mukesh Ojha , Jiaxin Yu , linux-sound@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH 15/15] ASoC: mediatek: mt8192-mt6359: Fix error handling in MTKAIF calibration Date: Fri, 18 Sep 2026 20:39:11 +0700 Message-ID: <20260918133912.133799-16-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260918133912.133799-1-phucduc.bui@gmail.com> References: <20260918133912.133799-1-phucduc.bui@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260918_144057_380959_31351991 X-CRM114-Status: GOOD ( 13.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: bui duc phuc mt8192_mt6359_mtkaif_calibration() ignored the return values of pm_runtime_get_sync() and mt8192_afe_gpio_request(), which could leave PM runtime references or GPIO state unbalanced on failure. Switch to pm_runtime_resume_and_get(), check each GPIO request, and unwind on error. Fixes: 18b13ff23fab ("ASoC: mediatek: mt8192: add machine driver with mt6359, rt1015 and rt5682") Signed-off-by: bui duc phuc --- .../mt8192/mt8192-mt6359-rt1015-rt5682.c | 37 +++++++++++++------ 1 file changed, 25 insertions(+), 12 deletions(-) diff --git a/sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c b/sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c index c86348691641..b010726e9b57 100644 --- a/sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c +++ b/sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c @@ -163,12 +163,23 @@ static int mt8192_mt6359_mtkaif_calibration(struct snd_soc_pcm_runtime *rtd) int chosen_phase_1, chosen_phase_2, chosen_phase_3; int counter; int mtkaif_calib_ok; + int ret = 0; - pm_runtime_get_sync(afe->dev); - mt8192_afe_gpio_request(afe->dev, true, MT8192_DAI_ADDA, 1); - mt8192_afe_gpio_request(afe->dev, true, MT8192_DAI_ADDA, 0); - mt8192_afe_gpio_request(afe->dev, true, MT8192_DAI_ADDA_CH34, 1); - mt8192_afe_gpio_request(afe->dev, true, MT8192_DAI_ADDA_CH34, 0); + ret = pm_runtime_resume_and_get(afe->dev); + if (ret < 0) + return ret; + ret = mt8192_afe_gpio_request(afe->dev, true, MT8192_DAI_ADDA, 1); + if (ret) + goto err_pm_put; + ret = mt8192_afe_gpio_request(afe->dev, true, MT8192_DAI_ADDA, 0); + if (ret) + goto err_disable_adda_1; + ret = mt8192_afe_gpio_request(afe->dev, true, MT8192_DAI_ADDA_CH34, 1); + if (ret) + goto err_disable_adda_0; + ret = mt8192_afe_gpio_request(afe->dev, true, MT8192_DAI_ADDA_CH34, 0); + if (ret) + goto err_disable_adda_ch34_1; mt6359_mtkaif_calibration_enable(cmpnt_codec); @@ -289,10 +300,14 @@ static int mt8192_mt6359_mtkaif_calibration(struct snd_soc_pcm_runtime *rtd) mt6359_mtkaif_calibration_disable(cmpnt_codec); - mt8192_afe_gpio_request(afe->dev, false, MT8192_DAI_ADDA, 1); - mt8192_afe_gpio_request(afe->dev, false, MT8192_DAI_ADDA, 0); - mt8192_afe_gpio_request(afe->dev, false, MT8192_DAI_ADDA_CH34, 1); mt8192_afe_gpio_request(afe->dev, false, MT8192_DAI_ADDA_CH34, 0); +err_disable_adda_ch34_1: + mt8192_afe_gpio_request(afe->dev, false, MT8192_DAI_ADDA_CH34, 1); +err_disable_adda_0: + mt8192_afe_gpio_request(afe->dev, false, MT8192_DAI_ADDA, 0); +err_disable_adda_1: + mt8192_afe_gpio_request(afe->dev, false, MT8192_DAI_ADDA, 1); +err_pm_put: pm_runtime_put(afe->dev); dev_dbg(afe->dev, "%s(), mtkaif_chosen_phase[0/1/2]:%d/%d/%d\n", @@ -301,7 +316,7 @@ static int mt8192_mt6359_mtkaif_calibration(struct snd_soc_pcm_runtime *rtd) afe_priv->mtkaif_chosen_phase[1], afe_priv->mtkaif_chosen_phase[2]); - return 0; + return ret; } static int mt8192_mt6359_init(struct snd_soc_pcm_runtime *rtd) @@ -319,9 +334,7 @@ static int mt8192_mt6359_init(struct snd_soc_pcm_runtime *rtd) afe_priv->mtkaif_protocol = MTKAIF_PROTOCOL_2_CLK_P2; /* mtkaif calibration */ - mt8192_mt6359_mtkaif_calibration(rtd); - - return 0; + return mt8192_mt6359_mtkaif_calibration(rtd); } static int mt8192_rt5682_init(struct snd_soc_pcm_runtime *rtd) -- 2.43.0