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Mon, 21 Sep 2026 23:02:33 -0700 (PDT) Received: from [10.25.133.25] ([165.85.205.162]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33e61340e56sm3366245eec.30.2026.09.21.23.02.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Sep 2026 23:02:32 -0700 (PDT) Message-ID: <976f828a-bf48-4788-adb1-7204c27dda60@gmail.com> Date: Tue, 22 Sep 2026 14:02:24 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RESEND PATCH v5 5/5] ASoC: fsl_easrc: expose individual DAIs per conversion path To: shengjiu.wang@oss.nxp.com, lgirdwood@gmail.com, broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, shawnguo@kernel.org, linux-sound@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, nicoleotsuka@gmail.com, perex@perex.cz, tiwai@suse.com, linuxppc-dev@lists.ozlabs.org Cc: Shengjiu Wang References: <20260922033428.1690822-1-shengjiu.wang@oss.nxp.com> <20260922033428.1690822-6-shengjiu.wang@oss.nxp.com> Content-Language: en-US From: Chancel Liu In-Reply-To: <20260922033428.1690822-6-shengjiu.wang@oss.nxp.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260921_230234_416332_0235F235 X-CRM114-Status: GOOD ( 11.10 ) 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 On 9/22/2026 11:34 AM, shengjiu.wang@oss.nxp.com wrote: > From: Shengjiu Wang > > The i.MX EASRC hardware supports four independent conversion contexts > (A, B, C, D). The driver previously registered a single DAI with generic > stream names "ASRC-Playback" and "ASRC-Capture", which prevents > multiple independent conversion paths from being used simultaneously. > > Replace the single fsl_easrc_dai instance with an array of four DAI > drivers to allow up to four independent conversion paths to be active > at the same time: > > easrc-0 -- ASRC-Playback / ASRC-Capture (backward compatible) > easrc-1 -- ASRC1-Playback / ASRC1-Capture > easrc-2 -- ASRC2-Playback / ASRC2-Capture > easrc-3 -- ASRC3-Playback / ASRC3-Capture > > easrc-0 retains the original generic stream names to preserve backward > compatibility with existing machine drivers and board configurations. > Each DAI retains the same channel, rate and format capabilities as the > original, including IEC958 subframe support on the capture side. Update > the devm_snd_soc_register_component() call to register all four DAIs. > > Signed-off-by: Shengjiu Wang Reviewed-by: Chancel Liu Regards, Chancel Liu