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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2e8422b8cc1sm73202995ad.54.2026.10.14.18.46.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Oct 2026 18:46:13 -0700 (PDT) From: phucduc.bui@gmail.com To: Vijendar Mukunda , Venkata Prasad Potturu , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , povik+lin@cutebit.org, Claudiu Beznea , Andrei Simion , Nicolas Ferre , Alexandre Belloni , David Rhodes , Richard Fitzgerald , Shengjiu Wang , Xiubo Li , Fabio Estevam , Nicolin Chen , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Cezary Rojewski , Peter Ujfalusi , Bard Liao , Kai Vehmanen , Pierre-Louis Bossart , Kuninori Morimoto , Geert Uytterhoeven , Magnus Damm , Biju Das , Lad Prabhakar , Heiko Stuebner Cc: Kees Cook , Syed Saba Kareem , wangdicheng , Chris Bainbridge , Linus Walleij , Charles Keepax , Neo Chang , Krzysztof Kozlowski , u.kleine-koenig@baylibre.com, Pengpeng Hou , Cristian Ciocaltea , Hemanth Selam , Md Shofiqul Islam , Bjorn Helgaas , Zain Aboobacker , Sang-Heon Jeon , Bo Shen , Vinod Koul , linux-sound@vger.kernel.org, asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, patches@opensource.cirrus.com, linuxppc-dev@lists.ozlabs.org, imx@lists.linux.dev, linux-rockchip@lists.infradead.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH v2 08/25] ASoC: apple: mca: Ensure the DAI is marked as started on success Date: Thu, 15 Oct 2026 08:43:07 +0700 Message-ID: <20261015014324.5569-9-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261015014324.5569-1-phucduc.bui@gmail.com> References: <20261015014324.5569-1-phucduc.bui@gmail.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc snd_pcm_hw_constraint_minmax() may return 1, which is then returned from mca_fe_startup(). ASoC only marks the DAI as started when .startup() returns 0. This currently has no functional impact, as mca_fe_ops has no .shutdown() callback. Still, return 0 explicitly on success to match what ASoC expects and ensure the DAI is correctly marked as started. Signed-off-by: bui duc phuc --- sound/soc/apple/mca.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/sound/soc/apple/mca.c b/sound/soc/apple/mca.c index be702b2942a5..26022a42a95e 100644 --- a/sound/soc/apple/mca.c +++ b/sound/soc/apple/mca.c @@ -516,6 +516,7 @@ static int mca_fe_startup(struct snd_pcm_substream *substream, { struct mca_cluster *cl = mca_dai_to_cluster(dai); unsigned int mask, nchannels; + int ret; if (cl->tdm_slots) { if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) @@ -528,9 +529,18 @@ static int mca_fe_startup(struct snd_pcm_substream *substream, nchannels = 2; } - return snd_pcm_hw_constraint_minmax(substream->runtime, - SNDRV_PCM_HW_PARAM_CHANNELS, - 1, nchannels); + ret = snd_pcm_hw_constraint_minmax(substream->runtime, + SNDRV_PCM_HW_PARAM_CHANNELS, + 1, nchannels); + if (ret < 0) + return ret; + + /* + * ASoC only marks the DAI as started when .startup() returns 0. + * Since snd_pcm_hw_constraint_minmax() may return 1, explicitly + * return 0 to ensure the DAI is correctly marked as started. + */ + return 0; } static int mca_fe_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, -- 2.43.0