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charset="utf-8" From: Shengjiu Wang All i.MX ASRC variants (imx35 through imx952) support up to three conversion pairs (A, B, C). The existing binding exposed only a single generic audio-graph port, which cannot represent independent conversion paths when multiple pairs are in use simultaneously. Add a ports container that enumerates up to three sub-ports, each representing an independent conversion path: port@0 -- conversion path 0 port@1 -- conversion path 1 port@2 -- conversion path 2 Each sub-port references audio-graph-port.yaml as before. Hardware pairs are allocated dynamically at stream open time; each active stream direction (playback or capture) on a port consumes one hardware pair. For backwards compatibility, keep the old single port property but mark it deprecated. A schema constraint (not: required: [port, ports]) ensures that both forms cannot be used at the same time. The binding example is updated to show the preferred ports form. Signed-off-by: Shengjiu Wang Reviewed-by: Frank Li --- .../bindings/sound/fsl,imx-asrc.yaml | 43 +++++++++++++++++-- 1 file changed, 39 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/sound/fsl,imx-asrc.yaml b/Do= cumentation/devicetree/bindings/sound/fsl,imx-asrc.yaml index cd69bad107c7..67d2826eef3f 100644 --- a/Documentation/devicetree/bindings/sound/fsl,imx-asrc.yaml +++ b/Documentation/devicetree/bindings/sound/fsl,imx-asrc.yaml @@ -78,9 +78,19 @@ properties: power-domains: maxItems: 1 =20 + ports: + $ref: /schemas/graph.yaml#/properties/ports + patternProperties: + "^port@[0-2]$": + $ref: audio-graph-port.yaml# + unevaluatedProperties: false + description: port for an independent conversion path + port: $ref: audio-graph-port.yaml# unevaluatedProperties: false + deprecated: true + description: deprecated, use ports instead =20 fsl,asrc-rate: $ref: /schemas/types.yaml#/definitions/uint32 @@ -125,6 +135,10 @@ required: - fsl,asrc-width =20 allOf: + - not: + required: + - port + - ports - $ref: dai-common.yaml# - if: properties: @@ -180,11 +194,32 @@ examples: fsl,asrc-rate =3D <48000>; 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Tue, 22 Sep 2026 03:29:59 +0000 Received: from PAXPR04MB9351.eurprd04.prod.outlook.com ([fe80::1058:a430:52c1:5aa]) by PAXPR04MB9351.eurprd04.prod.outlook.com ([fe80::1058:a430:52c1:5aa%6]) with mapi id 15.21.0428.011; Tue, 22 Sep 2026 03:29:59 +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 , Krzysztof Kozlowski Subject: [RESEND PATCH v5 2/5] ASoC: dt-bindings: fsl,easrc: add ports binding for multiple conversion paths Date: Tue, 22 Sep 2026 11:34:25 +0800 Message-Id: <20260922033428.1690822-3-shengjiu.wang@oss.nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260922033428.1690822-1-shengjiu.wang@oss.nxp.com> References: <20260922033428.1690822-1-shengjiu.wang@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: MA5P287CA0361.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:219::7) 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_|GV1PR04MB10941:EE_ X-MS-Office365-Filtering-Correlation-Id: 3a827790-41ab-480b-86d4-08df1859c7de X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|19092799006|366016|23010399003|921020|3023799007|10067099003|56012099006|11063799006|22082099003|18002099003; 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charset="utf-8" From: Shengjiu Wang The i.MX EASRC hardware supports up to four conversion contexts (A, B, C, D). Add a ports container property to the binding to allow each independent conversion path to be represented as an individual audio-graph port: port@0 -- conversion path 0 port@1 -- conversion path 1 port@2 -- conversion path 2 port@3 -- conversion path 3 Each sub-port references audio-graph-port.yaml and follows the standard audio-graph binding conventions. Contexts are allocated dynamically at stream open time; each active stream direction (playback or capture) on a port consumes one hardware context. Signed-off-by: Shengjiu Wang Reviewed-by: Frank Li Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/sound/fsl,easrc.yaml | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/fsl,easrc.yaml b/Docum= entation/devicetree/bindings/sound/fsl,easrc.yaml index d5727f8bfb0b..a53ec4f6f1c0 100644 --- a/Documentation/devicetree/bindings/sound/fsl,easrc.yaml +++ b/Documentation/devicetree/bindings/sound/fsl,easrc.yaml @@ -55,6 +55,14 @@ properties: - const: imx/easrc/easrc-imx8mn.bin description: The coefficient table for the filters =20 + ports: + $ref: /schemas/graph.yaml#/properties/ports + patternProperties: + "^port@[0-3]$": + $ref: audio-graph-port.yaml# + unevaluatedProperties: false + description: port for an independent conversion path + fsl,asrc-rate: $ref: /schemas/types.yaml#/definitions/uint32 minimum: 8000 @@ -106,4 +114,41 @@ examples: firmware-name =3D "imx/easrc/easrc-imx8mn.bin"; fsl,asrc-rate =3D <8000>; fsl,asrc-format =3D <2>; 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Tue, 22 Sep 2026 03:30:07 +0000 Received: from PAXPR04MB9351.eurprd04.prod.outlook.com ([fe80::1058:a430:52c1:5aa]) by PAXPR04MB9351.eurprd04.prod.outlook.com ([fe80::1058:a430:52c1:5aa%6]) with mapi id 15.21.0428.011; Tue, 22 Sep 2026 03:30:07 +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 Subject: [RESEND PATCH v5 3/5] ASoC: fsl_asrc/fsl_easrc: move DMA params into pair/context struct Date: Tue, 22 Sep 2026 11:34:26 +0800 Message-Id: <20260922033428.1690822-4-shengjiu.wang@oss.nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260922033428.1690822-1-shengjiu.wang@oss.nxp.com> References: <20260922033428.1690822-1-shengjiu.wang@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: MA5PR01CA0118.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:1a7::8) 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_|GV1PR04MB10941:EE_ X-MS-Office365-Filtering-Correlation-Id: 05721b3d-c7fd-4e76-ceee-08df1859cc7e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|19092799006|366016|23010399003|921020|3023799007|6133799003|10067099003|56012099006|11063799006|22082099003|18002099003; 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charset="utf-8" From: Shengjiu Wang The shared dma_params_tx/rx fields in struct fsl_asrc were a single instance written by every concurrent fsl_asrc_dma_hw_params() call. With multiple DAIs registered (one per pair/context), parallel stream open+hw_params races would corrupt addr and maxburst for all active streams. Fix by moving dma_params into struct fsl_asrc_pair so each pair owns its own copy. Initialise them in fsl_asrc_dma_startup() where the pair is allocated, which makes the per-DAI probe callbacks in fsl_asrc.c and fsl_easrc.c redundant; remove those as well. Signed-off-by: Shengjiu Wang Reviewed-by: Frank Li Reviewed-by: Daniel Baluta --- sound/soc/fsl/fsl_asrc.c | 11 ----------- sound/soc/fsl/fsl_asrc_common.h | 7 +++---- sound/soc/fsl/fsl_asrc_dma.c | 14 ++++++++++++++ sound/soc/fsl/fsl_easrc.c | 11 ----------- 4 files changed, 17 insertions(+), 26 deletions(-) diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index d80afe1bf4be..6007786aca66 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -781,18 +781,7 @@ static int fsl_asrc_dai_trigger(struct snd_pcm_substre= am *substream, int cmd, return 0; } =20 -static int fsl_asrc_dai_probe(struct snd_soc_dai *dai) -{ - struct fsl_asrc *asrc =3D snd_soc_dai_get_drvdata(dai); - - snd_soc_dai_init_dma_data(dai, &asrc->dma_params_tx, - &asrc->dma_params_rx); - - return 0; -} - static const struct snd_soc_dai_ops fsl_asrc_dai_ops =3D { - .probe =3D fsl_asrc_dai_probe, .startup =3D fsl_asrc_dai_startup, .hw_params =3D fsl_asrc_dai_hw_params, .hw_free =3D fsl_asrc_dai_hw_free, diff --git a/sound/soc/fsl/fsl_asrc_common.h b/sound/soc/fsl/fsl_asrc_commo= n.h index c8a1a2b5915d..4e6b00cb5d63 100644 --- a/sound/soc/fsl/fsl_asrc_common.h +++ b/sound/soc/fsl/fsl_asrc_common.h @@ -53,6 +53,7 @@ struct fsl_asrc_m2m_cap { * @dma_data: private dma data * @pos: hardware pointer position * @req_dma_chan: flag to release dev_to_dev chan + * @dma_params: DMA parameters for transmit/receive channel * @private: pair private area * @complete: dma task complete * @sample_format: format of m2m @@ -76,6 +77,8 @@ struct fsl_asrc_pair { unsigned int pos; bool req_dma_chan; =20 + struct snd_dmaengine_dai_dma_data dma_params; + void *private; =20 /* used for m2m */ @@ -92,8 +95,6 @@ struct fsl_asrc_pair { /** * fsl_asrc: ASRC common data * - * @dma_params_rx: DMA parameters for receive channel - * @dma_params_tx: DMA parameters for transmit channel * @pdev: platform device pointer * @regmap: regmap handler * @paddr: physical address to the base address of registers @@ -128,8 +129,6 @@ struct fsl_asrc_pair { * @private: private data structure */ struct fsl_asrc { - struct snd_dmaengine_dai_dma_data dma_params_rx; - struct snd_dmaengine_dai_dma_data dma_params_tx; struct platform_device *pdev; struct regmap *regmap; unsigned long paddr; diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c index 2f662bdf14d0..15f2dccc3584 100644 --- a/sound/soc/fsl/fsl_asrc_dma.c +++ b/sound/soc/fsl/fsl_asrc_dma.c @@ -392,6 +392,20 @@ static int fsl_asrc_dma_startup(struct snd_soc_compone= nt *component, =20 runtime->private_data =3D pair; =20 + /* + * Point the cpu DAI dma_data at the per-pair params so that + * concurrent hw_params calls on different pairs each write to + * their own struct and do not race on addr/maxburst. Use the + * per-direction setters so that a concurrent open of the other + * direction on the same DAI does not NULL out its pointer. + */ + if (tx) + snd_soc_dai_dma_data_set_playback(snd_soc_rtd_to_cpu(rtd, 0), + &pair->dma_params); + else + snd_soc_dai_dma_data_set_capture(snd_soc_rtd_to_cpu(rtd, 0), + &pair->dma_params); + /* Request a dummy pair, which will be released later. * Request pair function needs channel num as input, for this * dummy pair, we just request "1" channel temporarily. diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c index aced16d1228a..a6ac94055b17 100644 --- a/sound/soc/fsl/fsl_easrc.c +++ b/sound/soc/fsl/fsl_easrc.c @@ -1582,18 +1582,7 @@ static int fsl_easrc_hw_free(struct snd_pcm_substrea= m *substream, return 0; } =20 -static int fsl_easrc_dai_probe(struct snd_soc_dai *cpu_dai) -{ - struct fsl_asrc *easrc =3D dev_get_drvdata(cpu_dai->dev); - - snd_soc_dai_init_dma_data(cpu_dai, - &easrc->dma_params_tx, - &easrc->dma_params_rx); - return 0; 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Tue, 22 Sep 2026 03:30:15 +0000 Received: from PAXPR04MB9351.eurprd04.prod.outlook.com ([fe80::1058:a430:52c1:5aa]) by PAXPR04MB9351.eurprd04.prod.outlook.com ([fe80::1058:a430:52c1:5aa%6]) with mapi id 15.21.0428.011; Tue, 22 Sep 2026 03:30:15 +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 Subject: [RESEND PATCH v5 4/5] ASoC: fsl_asrc: expose individual DAIs per conversion path Date: Tue, 22 Sep 2026 11:34:27 +0800 Message-Id: <20260922033428.1690822-5-shengjiu.wang@oss.nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260922033428.1690822-1-shengjiu.wang@oss.nxp.com> References: <20260922033428.1690822-1-shengjiu.wang@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: MA5P287CA0052.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:1d3::13) 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_|GV1PR04MB10941:EE_ X-MS-Office365-Filtering-Correlation-Id: 0ed04684-eec4-4352-7b1e-08df1859d147 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|19092799006|366016|23010399003|921020|6133799003|10067099003|56012099006|11063799006|22082099003|18002099003; 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charset="utf-8" From: Shengjiu Wang The i.MX ASRC hardware supports three independent conversion pairs (A, B, C). 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_asrc_dai instance with an array of three DAI drivers to allow up to three independent conversion paths to be active at the same time: asrc-0 -- ASRC-Playback / ASRC-Capture (backward compatible) asrc-1 -- ASRC1-Playback / ASRC1-Capture asrc-2 -- ASRC2-Playback / ASRC2-Capture asrc-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. Update the devm_snd_soc_register_component() call to register all three DAIs. Signed-off-by: Shengjiu Wang Reviewed-by: Chancel Liu Reviewed-by: Frank Li --- sound/soc/fsl/fsl_asrc.c | 89 +++++++++++++++++++++++++++++++--------- 1 file changed, 69 insertions(+), 20 deletions(-) diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index 6007786aca66..56604fa1613a 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -792,27 +792,76 @@ static const struct snd_soc_dai_ops fsl_asrc_dai_ops = =3D { SNDRV_PCM_FMTBIT_S16_LE | \ SNDRV_PCM_FMTBIT_S24_3LE) =20 -static struct snd_soc_dai_driver fsl_asrc_dai =3D { - .playback =3D { - .stream_name =3D "ASRC-Playback", - .channels_min =3D 1, - .channels_max =3D 10, - .rate_min =3D 5512, - .rate_max =3D 192000, - .rates =3D SNDRV_PCM_RATE_KNOT, - .formats =3D FSL_ASRC_FORMATS | - SNDRV_PCM_FMTBIT_S8, +static struct snd_soc_dai_driver fsl_asrc_dai[] =3D { + { + .name =3D "asrc-0", + .playback =3D { + .stream_name =3D "ASRC-Playback", + .channels_min =3D 1, + .channels_max =3D 10, + .rate_min =3D 5512, + .rate_max =3D 192000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_ASRC_FORMATS | + SNDRV_PCM_FMTBIT_S8, + }, + .capture =3D { + .stream_name =3D "ASRC-Capture", + .channels_min =3D 1, + .channels_max =3D 10, + .rate_min =3D 5512, + .rate_max =3D 192000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_ASRC_FORMATS, + }, + .ops =3D &fsl_asrc_dai_ops, + }, + { + .name =3D "asrc-1", + .playback =3D { + .stream_name =3D "ASRC1-Playback", + .channels_min =3D 1, + .channels_max =3D 10, + .rate_min =3D 5512, + .rate_max =3D 192000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_ASRC_FORMATS | + SNDRV_PCM_FMTBIT_S8, + }, + .capture =3D { + .stream_name =3D "ASRC1-Capture", + .channels_min =3D 1, + .channels_max =3D 10, + .rate_min =3D 5512, + .rate_max =3D 192000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_ASRC_FORMATS, + }, + .ops =3D &fsl_asrc_dai_ops, }, - .capture =3D { - .stream_name =3D "ASRC-Capture", - .channels_min =3D 1, - .channels_max =3D 10, - .rate_min =3D 5512, - .rate_max =3D 192000, - .rates =3D SNDRV_PCM_RATE_KNOT, - .formats =3D FSL_ASRC_FORMATS, + { + .name =3D "asrc-2", + .playback =3D { + .stream_name =3D "ASRC2-Playback", + .channels_min =3D 1, + .channels_max =3D 10, + .rate_min =3D 5512, + .rate_max =3D 192000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_ASRC_FORMATS | + SNDRV_PCM_FMTBIT_S8, + }, + .capture =3D { + .stream_name =3D "ASRC2-Capture", + .channels_min =3D 1, + .channels_max =3D 10, + .rate_min =3D 5512, + .rate_max =3D 192000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_ASRC_FORMATS, + }, + .ops =3D &fsl_asrc_dai_ops, }, - .ops =3D &fsl_asrc_dai_ops, }; 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Tue, 22 Sep 2026 03:30:24 +0000 Received: from PAXPR04MB9351.eurprd04.prod.outlook.com ([fe80::1058:a430:52c1:5aa]) by PAXPR04MB9351.eurprd04.prod.outlook.com ([fe80::1058:a430:52c1:5aa%6]) with mapi id 15.21.0428.011; Tue, 22 Sep 2026 03:30:23 +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 Subject: [RESEND PATCH v5 5/5] ASoC: fsl_easrc: expose individual DAIs per conversion path Date: Tue, 22 Sep 2026 11:34:28 +0800 Message-Id: <20260922033428.1690822-6-shengjiu.wang@oss.nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260922033428.1690822-1-shengjiu.wang@oss.nxp.com> References: <20260922033428.1690822-1-shengjiu.wang@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: MA5P287CA0104.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:1b5::12) 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_|GV1PR04MB10941:EE_ X-MS-Office365-Filtering-Correlation-Id: 2df2af52-4be2-42ad-9706-08df1859d65b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|19092799006|366016|23010399003|921020|6133799003|10067099003|56012099006|11063799006|22082099003|18002099003; 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charset="utf-8" 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 Reviewed-by: Daniel Baluta Reviewed-by: Frank Li --- 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 a6ac94055b17..cd22ea3e03bc 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_o= ps =3D { .hw_free =3D fsl_easrc_hw_free, }; =20 -static struct snd_soc_dai_driver fsl_easrc_dai =3D { - .playback =3D { - .stream_name =3D "ASRC-Playback", - .channels_min =3D 1, - .channels_max =3D 32, - .rate_min =3D 8000, - .rate_max =3D 768000, - .rates =3D SNDRV_PCM_RATE_KNOT, - .formats =3D FSL_EASRC_FORMATS, +static struct snd_soc_dai_driver fsl_easrc_dai[] =3D { + { + .name =3D "easrc-0", + .playback =3D { + .stream_name =3D "ASRC-Playback", + .channels_min =3D 1, + .channels_max =3D 32, + .rate_min =3D 8000, + .rate_max =3D 768000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_EASRC_FORMATS, + }, + .capture =3D { + .stream_name =3D "ASRC-Capture", + .channels_min =3D 1, + .channels_max =3D 32, + .rate_min =3D 8000, + .rate_max =3D 768000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_EASRC_FORMATS | + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + }, + .ops =3D &fsl_easrc_dai_ops, }, - .capture =3D { - .stream_name =3D "ASRC-Capture", - .channels_min =3D 1, - .channels_max =3D 32, - .rate_min =3D 8000, - .rate_max =3D 768000, - .rates =3D SNDRV_PCM_RATE_KNOT, - .formats =3D FSL_EASRC_FORMATS | - SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + { + .name =3D "easrc-1", + .playback =3D { + .stream_name =3D "ASRC1-Playback", + .channels_min =3D 1, + .channels_max =3D 32, + .rate_min =3D 8000, + .rate_max =3D 768000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_EASRC_FORMATS, + }, + .capture =3D { + .stream_name =3D "ASRC1-Capture", + .channels_min =3D 1, + .channels_max =3D 32, + .rate_min =3D 8000, + .rate_max =3D 768000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_EASRC_FORMATS | + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + }, + .ops =3D &fsl_easrc_dai_ops, + }, + { + .name =3D "easrc-2", + .playback =3D { + .stream_name =3D "ASRC2-Playback", + .channels_min =3D 1, + .channels_max =3D 32, + .rate_min =3D 8000, + .rate_max =3D 768000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_EASRC_FORMATS, + }, + .capture =3D { + .stream_name =3D "ASRC2-Capture", + .channels_min =3D 1, + .channels_max =3D 32, + .rate_min =3D 8000, + .rate_max =3D 768000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_EASRC_FORMATS | + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + }, + .ops =3D &fsl_easrc_dai_ops, + }, + { + .name =3D "easrc-3", + .playback =3D { + .stream_name =3D "ASRC3-Playback", + .channels_min =3D 1, + .channels_max =3D 32, + .rate_min =3D 8000, + .rate_max =3D 768000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_EASRC_FORMATS, + }, + .capture =3D { + .stream_name =3D "ASRC3-Capture", + .channels_min =3D 1, + .channels_max =3D 32, + .rate_min =3D 8000, + .rate_max =3D 768000, + .rates =3D SNDRV_PCM_RATE_KNOT, + .formats =3D FSL_EASRC_FORMATS | + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE, + }, + .ops =3D &fsl_easrc_dai_ops, }, - .ops =3D &fsl_easrc_dai_ops, }; =20 static const struct snd_soc_component_driver fsl_easrc_component =3D { @@ -2234,7 +2306,7 @@ static int fsl_easrc_probe(struct platform_device *pd= ev) regcache_cache_only(easrc->regmap, true); =20 ret =3D 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; --=20 2.34.1