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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1b3b5b75d42sm5203801c88.20.2026.11.10.01.55.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Nov 2026 01:55:55 -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 1/6] ASoC: dwc: Fix bit clock rate in TDM mode Date: Tue, 10 Nov 2026 16:55:20 +0700 Message-ID: <20261110095525.504660-2-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-sound@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 The bit clock is computed as rate * data_width * 2, which only fits a two-slot I2S frame. Use rate * data_width * tdm_slots in TDM mode. Fixes: 221acc16aee1 ("ASoC: dwc: Add TDM mode support") Reviewed-by: Maxim Kochetkov Signed-off-by: bui duc phuc --- Changes in v2: - Move the indentation fixes into a separate commit. - Add Maxim Kochetkov's Reviewed-by tag. sound/soc/dwc/dwc-i2s.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c index dbda943cfaf3..1f4d06a82333 100644 --- a/sound/soc/dwc/dwc-i2s.c +++ b/sound/soc/dwc/dwc-i2s.c @@ -332,6 +332,9 @@ static int dw_i2s_hw_params(struct snd_pcm_substream *substream, } else { u32 bitclk = config->sample_rate * config->data_width * 2; + if (dev->tdm_slots) + bitclk = config->sample_rate * + config->data_width * dev->tdm_slots; ret = clk_set_rate(dev->clk, bitclk); if (ret) { -- 2.43.0