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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1b3b5b75d42sm5203801c88.20.2026.11.10.01.56.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Nov 2026 01:56:14 -0800 (PST) From: phucduc.bui@gmail.com To: Maxim Kochetkov , Andrew Jackson , Mark Brown , Xingyu Wu Cc: Tim Bird , Yuri Zaporozhets , Kuninori Morimoto , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH v2 2/6] ASoC: dwc: Fix error handling in dw_i2s_set_fmt() Date: Tue, 10 Nov 2026 16:55:21 +0700 Message-ID: <20261110095525.504660-3-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261110095525.504660-1-phucduc.bui@gmail.com> References: <20261110095525.504660-1-phucduc.bui@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc Return early when an unsupported clock provider format is encountered, preventing the function from updating frame_offset before returning an error. Fixes: 221acc16aee1 ("ASoC: dwc: Add TDM mode support") Reviewed-by: Maxim Kochetkov Signed-off-by: bui duc phuc --- Changes in v2: - Move the typo fixes into a separate commit. - Add Maxim Kochetkov's Reviewed-by tag. sound/soc/dwc/dwc-i2s.c | 22 ++++++---------------- 1 file changed, 6 insertions(+), 16 deletions(-) diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c index 1f4d06a82333..6a25d2a69ea7 100644 --- a/sound/soc/dwc/dwc-i2s.c +++ b/sound/soc/dwc/dwc-i2s.c @@ -390,29 +390,19 @@ static int dw_i2s_trigger(struct snd_pcm_substream *substream, static int dw_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) { struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(cpu_dai); - int ret = 0; switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { case SND_SOC_DAIFMT_BC_FC: - if (dev->capability & DW_I2S_SLAVE) - ret = 0; - else - ret = -EINVAL; + if (!(dev->capability & DW_I2S_SLAVE)) + return -EINVAL; break; case SND_SOC_DAIFMT_BP_FP: - if (dev->capability & DW_I2S_MASTER) - ret = 0; - else - ret = -EINVAL; - break; - case SND_SOC_DAIFMT_BC_FP: - case SND_SOC_DAIFMT_BP_FC: - ret = -EINVAL; + if (!(dev->capability & DW_I2S_MASTER)) + return -EINVAL; break; default: dev_dbg(dev->dev, "dwc : Invalid clock provider format\n"); - ret = -EINVAL; - break; + return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { @@ -431,7 +421,7 @@ static int dw_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) return -EINVAL; } - return ret; + return 0; } static int dw_i2s_set_tdm_slot(struct snd_soc_dai *cpu_dai, unsigned int tx_mask, -- 2.43.0