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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); +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/audio-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 *priv, struct device_node *ep; struct device_node *ports; unsigned int daifmt = 0, daiclk = 0; + bool playback_only = 0, capture_only = 0; unsigned int bit_frame = 0; if (graph_lnk_is_multi(port)) { @@ -635,6 +636,11 @@ static void graph_link_init(struct simple_util_priv *priv, if (is_cpu_node) daiclk = snd_soc_daifmt_clock_provider_flipped(daiclk); + graph_util_parse_link_direction(port, &playback_only, &capture_only); + + dai_link->playback_only = playback_only; + dai_link->capture_only = capture_only; + dai_link->dai_fmt = daifmt | daiclk; dai_link->init = simple_util_dai_init; dai_link->ops = &graph_ops; diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-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); +int graph_util_parse_link_direction(struct device_node *np, + bool *playback_only, bool *capture_only) +{ + bool is_playback_only = false; + bool is_capture_only = false; + + is_playback_only = of_property_read_bool(np, "playback-only"); + is_capture_only = of_property_read_bool(np, "capture-only"); + + if (is_playback_only && is_capture_only) + return -EINVAL; + + *playback_only = is_playback_only; + *capture_only = is_capture_only; + + return 0; +} +EXPORT_SYMBOL_GPL(graph_util_parse_link_direction); + /* Module information */ MODULE_AUTHOR("Kuninori Morimoto "); MODULE_DESCRIPTION("ALSA SoC Simple Card Utils"); From patchwork Thu Nov 23 15:00:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Baluta X-Patchwork-Id: 746645 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=NXP1.onmicrosoft.com header.i=@NXP1.onmicrosoft.com header.b="ZeCD2b8x" Received: from EUR03-AM7-obe.outbound.protection.outlook.com (mail-am7eur03on2075.outbound.protection.outlook.com [40.107.105.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40E46D44; 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Thu, 23 Nov 2023 15:00:47 +0000 From: Daniel Baluta To: broonie@kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, kuninori.morimoto.gx@renesas.com, daniel.baluta@gmail.com, robh+dt@kernel.org, iuliana.prodan@nxp.com, shengjiu.wang@nxp.com, linux-imx@nxp.com Subject: [PATCH v2 2/2] ASoC: dt-bindings: audio-graph-port: Document new DAI link flags playback-only/capture-only Date: Thu, 23 Nov 2023 17:00:12 +0200 Message-Id: <20231123150012.154096-3-daniel.baluta@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231123150012.154096-1-daniel.baluta@oss.nxp.com> References: <20231123150012.154096-1-daniel.baluta@oss.nxp.com> X-ClientProxiedBy: ZR0P278CA0135.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:40::14) To VI1PR04MB5151.eurprd04.prod.outlook.com (2603:10a6:803:61::28) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: VI1PR04MB5151:EE_|AS4PR04MB9435:EE_ X-MS-Office365-Filtering-Correlation-Id: 7968fd9c-7869-4137-45b7-08dbec34f9b7 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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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..0aaa8a29fce2 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 endpoint-base: allOf: