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Mon, 28 Sep 2026 06:13:21 +0000 From: shengjiu.wang@oss.nxp.com To: 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 , Chancel Liu , Daniel Baluta Subject: [PATCH v6 5/5] ASoC: fsl_easrc: expose individual DAIs per conversion path Date: Mon, 28 Sep 2026 14:17:56 +0800 Message-Id: <20260928061756.1844185-1-shengjiu.wang@oss.nxp.com> X-Mailer: git-send-email 2.34.1 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: MA5PR01CA0050.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:1d6::10) To PAXPR04MB9351.eurprd04.prod.outlook.com (2603:10a6:102:2b6::17) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAXPR04MB9351:EE_|PA1PR04MB10721:EE_ X-MS-Office365-Filtering-Correlation-Id: 3f6b7060-ef53-44d1-47ea-08df1d2798b9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|1800799024|19092799006|366016|23010399003|921020|6133799003|10067099003|11063799006|56012099006|18002099003; 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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 Reviewed-by: Frank Li Reviewed-by: Daniel Baluta --- sound/soc/fsl/fsl_easrc.c | 112 +++++++++++++++++++++++++++++++------- 1 file changed, 92 insertions(+), 20 deletions(-) diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c index 4401c4e100b3..5d715bc07357 100644 --- a/sound/soc/fsl/fsl_easrc.c +++ b/sound/soc/fsl/fsl_easrc.c @@ -1589,27 +1589,99 @@ static const struct snd_soc_dai_ops fsl_easrc_dai_ops = { .hw_free = fsl_easrc_hw_free, }; -static struct snd_soc_dai_driver fsl_easrc_dai = { - .playback = { - .stream_name = "ASRC-Playback", - .channels_min = 1, - .channels_max = 32, - .rate_min = 8000, - .rate_max = 768000, - .rates = SNDRV_PCM_RATE_KNOT, - .formats = FSL_EASRC_FORMATS, +static struct snd_soc_dai_driver fsl_easrc_dai[] = { + { + .name = "easrc-0", + .playback = { + .stream_name = "ASRC-Playback", + .channels_min = 1, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 768000, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = FSL_EASRC_FORMATS, + }, + .capture = { + .stream_name = "ASRC-Capture", + .channels_min = 1, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 768000, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = FSL_EASRC_FORMATS | + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + }, + .ops = &fsl_easrc_dai_ops, }, - .capture = { - .stream_name = "ASRC-Capture", - .channels_min = 1, - .channels_max = 32, - .rate_min = 8000, - .rate_max = 768000, - .rates = SNDRV_PCM_RATE_KNOT, - .formats = FSL_EASRC_FORMATS | - SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + { + .name = "easrc-1", + .playback = { + .stream_name = "ASRC1-Playback", + .channels_min = 1, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 768000, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = FSL_EASRC_FORMATS, + }, + .capture = { + .stream_name = "ASRC1-Capture", + .channels_min = 1, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 768000, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = FSL_EASRC_FORMATS | + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + }, + .ops = &fsl_easrc_dai_ops, + }, + { + .name = "easrc-2", + .playback = { + .stream_name = "ASRC2-Playback", + .channels_min = 1, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 768000, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = FSL_EASRC_FORMATS, + }, + .capture = { + .stream_name = "ASRC2-Capture", + .channels_min = 1, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 768000, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = FSL_EASRC_FORMATS | + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + }, + .ops = &fsl_easrc_dai_ops, + }, + { + .name = "easrc-3", + .playback = { + .stream_name = "ASRC3-Playback", + .channels_min = 1, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 768000, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = FSL_EASRC_FORMATS, + }, + .capture = { + .stream_name = "ASRC3-Capture", + .channels_min = 1, + .channels_max = 32, + .rate_min = 8000, + .rate_max = 768000, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = FSL_EASRC_FORMATS | + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + }, + .ops = &fsl_easrc_dai_ops, }, - .ops = &fsl_easrc_dai_ops, }; static const struct snd_soc_component_driver fsl_easrc_component = { @@ -2234,7 +2306,7 @@ static int fsl_easrc_probe(struct platform_device *pdev) regcache_cache_only(easrc->regmap, true); ret = devm_snd_soc_register_component(dev, &fsl_easrc_component, - &fsl_easrc_dai, 1); + fsl_easrc_dai, ARRAY_SIZE(fsl_easrc_dai)); if (ret) { dev_err(dev, "failed to register ASoC DAI\n"); goto err_pm_disable; -- 2.34.1