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charset="utf-8" From: Daniel Baluta We need this to support MICFIL PDM found on i.MX8MP where the DAI link supports only capture direction. Signed-off-by: Daniel Baluta --- include/sound/simple_card_utils.h | 3 +++ sound/soc/generic/audio-graph-card2.c | 6 ++++++ sound/soc/generic/simple-card-utils.c | 19 +++++++++++++++++++ 3 files changed, 28 insertions(+) diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_= utils.h index e5da10b4c43b..ad67957b7b48 100644 --- a/include/sound/simple_card_utils.h +++ b/include/sound/simple_card_utils.h @@ -195,6 +195,9 @@ int graph_util_is_ports0(struct device_node *port); int graph_util_parse_dai(struct device *dev, struct device_node *ep, struct snd_soc_dai_link_component *dlc, int *is_single_link); =20 +int graph_util_parse_link_direction(struct device_node *np, + bool *is_playback_only, bool *is_capture_only); + #ifdef DEBUG static inline void simple_util_debug_dai(struct simple_util_priv *priv, char *name, diff --git a/sound/soc/generic/audio-graph-card2.c b/sound/soc/generic/audi= o-graph-card2.c index 7146611df730..04c2eac881c2 100644 --- a/sound/soc/generic/audio-graph-card2.c +++ b/sound/soc/generic/audio-graph-card2.c @@ -597,6 +597,7 @@ static void graph_link_init(struct simple_util_priv *pr= iv, struct device_node *ep; struct device_node *ports; unsigned int daifmt =3D 0, daiclk =3D 0; + bool playback_only =3D 0, capture_only =3D 0; unsigned int bit_frame =3D 0; =20 if (graph_lnk_is_multi(port)) { @@ -635,6 +636,11 @@ static void graph_link_init(struct simple_util_priv *p= riv, if (is_cpu_node) daiclk =3D snd_soc_daifmt_clock_provider_flipped(daiclk); =20 + graph_util_parse_link_direction(port, &playback_only, &capture_only); + + dai_link->playback_only =3D playback_only; + dai_link->capture_only =3D capture_only; + dai_link->dai_fmt =3D daifmt | daiclk; dai_link->init =3D simple_util_dai_init; dai_link->ops =3D &graph_ops; diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simp= le-card-utils.c index cfa70a56ff0f..9006ef5e95f5 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -1129,6 +1129,25 @@ int graph_util_parse_dai(struct device *dev, struct = device_node *ep, } EXPORT_SYMBOL_GPL(graph_util_parse_dai); =20 +int graph_util_parse_link_direction(struct device_node *np, + bool *playback_only, bool *capture_only) +{ + bool is_playback_only =3D false; 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Received: from VI1PR04MB5151.eurprd04.prod.outlook.com (2603:10a6:803:61::28) by PAXPR04MB9445.eurprd04.prod.outlook.com (2603:10a6:102:2b4::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7046.19; Tue, 28 Nov 2023 08:11:44 +0000 Received: from VI1PR04MB5151.eurprd04.prod.outlook.com ([fe80::c688:1f14:2ab1:c78a]) by VI1PR04MB5151.eurprd04.prod.outlook.com ([fe80::c688:1f14:2ab1:c78a%4]) with mapi id 15.20.7046.015; Tue, 28 Nov 2023 08:11:44 +0000 From: Daniel Baluta To: broonie@kernel.org, robh+dt@kernel.org Cc: kuninori.morimoto.gx@renesas.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, lgirdwood@gmail.com, daniel.baluta@gmail.com, alsa-devel@alsa-project.org, iuliana.prodan@nxp.com, shengjiu.wang@nxp.com Subject: [PATCH v4 2/2] ASoC: dt-bindings: audio-graph-port: Document new DAI link flags playback-only/capture-only Date: Tue, 28 Nov 2023 10:11:19 +0200 Message-Id: <20231128081119.106360-3-daniel.baluta@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231128081119.106360-1-daniel.baluta@oss.nxp.com> References: <20231128081119.106360-1-daniel.baluta@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: BE1P281CA0084.DEUP281.PROD.OUTLOOK.COM (2603:10a6:b10:78::11) To VI1PR04MB5151.eurprd04.prod.outlook.com (2603:10a6:803:61::28) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: VI1PR04MB5151:EE_|PAXPR04MB9445:EE_ X-MS-Office365-Filtering-Correlation-Id: 0355fa44-7b9b-4593-13e7-08dbefe9a5de X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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charset="utf-8" From: Daniel Baluta Document new playback-only and capture-only flags which can be used when dai link can only support just one direction: playback or capture but not both. Signed-off-by: Daniel Baluta --- .../devicetree/bindings/sound/audio-graph-port.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml = b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml index 60b5e3fd1115..b13c08de505e 100644 --- a/Documentation/devicetree/bindings/sound/audio-graph-port.yaml +++ b/Documentation/devicetree/bindings/sound/audio-graph-port.yaml @@ -19,6 +19,12 @@ definitions: properties: mclk-fs: $ref: simple-card.yaml#/definitions/mclk-fs + playback-only: + description: port connection used only for playback + $ref: /schemas/types.yaml#/definitions/flag + capture-only: + description: port connection used only for capture + $ref: /schemas/types.yaml#/definitions/flag =20 endpoint-base: allOf: --=20 2.25.1