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Mon, 8 Apr 2024 19:49:55 +0300 From: Dmitry Rokosov To: , , , , , , , , , , CC: , , , , , , , , Dmitry Rokosov Subject: [PATCH v1 1/2] ASoC: dt-bindings: meson: introduce link-name optional property Date: Mon, 8 Apr 2024 19:49:39 +0300 Message-ID: <20240408164947.30717-2-ddrokosov@salutedevices.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240408164947.30717-1-ddrokosov@salutedevices.com> References: <20240408164947.30717-1-ddrokosov@salutedevices.com> MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) To p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 184624 [Apr 08 2024] X-KSMG-AntiSpam-Version: 6.1.0.4 X-KSMG-AntiSpam-Envelope-From: ddrokosov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 15 0.3.15 adb41f89e2951eb37b279104a7abb8e79494a5e7, {Tracking_from_domain_doesnt_match_to}, smtp.sberdevices.ru:5.0.1,7.1.1;100.64.160.123:7.1.2;salutedevices.com:7.1.1;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;127.0.0.199:7.1.2, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2024/04/08 12:02:00 #24709100 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240408_095008_549045_1D46F929 X-CRM114-Status: GOOD ( 10.39 ) 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 The 'link-name' property is an optional DT property that allows for the customization of the name associated with the DAI link and PCM stream. This functionality mirrors the approach commonly utilized in Qualcomm audio cards, providing flexibility in DAI naming conventions for improved system integration and userspace experience. It allows userspace program to easy determine PCM stream purpose, e.g.: ~ # cat /proc/asound/pcm 00-00: speaker (*) : : playback 1 00-01: mics (*) : : capture 1 00-02: loopback (*) : : capture 1 Signed-off-by: Dmitry Rokosov --- .../devicetree/bindings/sound/amlogic,axg-sound-card.yaml | 6 ++++++ .../devicetree/bindings/sound/amlogic,gx-sound-card.yaml | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.yaml b/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.yaml index 492b41cc8ccd..46774a3e4b1d 100644 --- a/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.yaml +++ b/Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.yaml @@ -66,6 +66,11 @@ patternProperties: maxItems: 1 description: phandle of the CPU DAI + link-name: + description: Indicates dai-link name and PCM stream name. + $ref: /schemas/types.yaml#/definitions/string + maxItems: 1 + patternProperties: "^dai-tdm-slot-(t|r)x-mask-[0-3]$": $ref: /schemas/types.yaml#/definitions/uint32-array @@ -137,6 +142,7 @@ examples: dai-link-0 { sound-dai = <&frddr_a>; + link-name = "speaker"; }; dai-link-1 { diff --git a/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml b/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml index d4277d342e69..975c148f9712 100644 --- a/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml +++ b/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml @@ -52,6 +52,11 @@ patternProperties: maxItems: 1 description: phandle of the CPU DAI + link-name: + description: Indicates dai-link name and PCM stream name. + $ref: /schemas/types.yaml#/definitions/string + maxItems: 1 + patternProperties: "^codec(-[0-9]+)?$": type: object @@ -89,6 +94,7 @@ examples: dai-link-0 { sound-dai = <&i2s_fifo>; + link-name = "speaker"; }; dai-link-1 { From patchwork Mon Apr 8 16:49:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Rokosov X-Patchwork-Id: 13621394 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CB191CD129D for ; 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Mon, 8 Apr 2024 19:49:56 +0300 (MSK) Received: from CAB-WSD-L081021.sberdevices.ru (100.64.160.123) by p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 8 Apr 2024 19:49:56 +0300 From: Dmitry Rokosov To: , , , , , , , , , , CC: , , , , , , , , Dmitry Rokosov Subject: [PATCH v1 2/2] ASoC: meson: implement link-name optional property in meson card utils Date: Mon, 8 Apr 2024 19:49:40 +0300 Message-ID: <20240408164947.30717-3-ddrokosov@salutedevices.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240408164947.30717-1-ddrokosov@salutedevices.com> References: <20240408164947.30717-1-ddrokosov@salutedevices.com> MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) To p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 184624 [Apr 08 2024] X-KSMG-AntiSpam-Version: 6.1.0.4 X-KSMG-AntiSpam-Envelope-From: ddrokosov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 15 0.3.15 adb41f89e2951eb37b279104a7abb8e79494a5e7, {Tracking_from_domain_doesnt_match_to}, 127.0.0.199:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;salutedevices.com:7.1.1;100.64.160.123:7.1.2;smtp.sberdevices.ru:5.0.1,7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2024/04/08 12:02:00 #24709100 X-KSMG-AntiVirus-Status: Clean, skipped X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240408_095008_812214_2D2A1D7A X-CRM114-Status: GOOD ( 12.77 ) 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 The 'link-name' property presents an optional DT feature that empowers users to customize the name associated with the DAI link and PCM stream. This functionality reflects the approach often employed in Qualcomm audio cards, providing enhanced flexibility in DAI naming conventions for improved system integration and userspace experience. It allows userspace program to easy determine PCM stream purpose, e.g.: ~ # cat /proc/asound/pcm 00-00: speaker (*) : : playback 1 00-01: mics (*) : : capture 1 00-02: loopback (*) : : capture 1 The previous naming approach using auto-generated fe or be strings continues to be utilized as a fallback. Signed-off-by: Dmitry Rokosov --- sound/soc/meson/meson-card-utils.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/sound/soc/meson/meson-card-utils.c b/sound/soc/meson/meson-card-utils.c index ed6c7e2f609c..7bae72905a9b 100644 --- a/sound/soc/meson/meson-card-utils.c +++ b/sound/soc/meson/meson-card-utils.c @@ -94,10 +94,14 @@ static int meson_card_set_link_name(struct snd_soc_card *card, struct device_node *node, const char *prefix) { - char *name = devm_kasprintf(card->dev, GFP_KERNEL, "%s.%s", - prefix, node->full_name); - if (!name) - return -ENOMEM; + const char *name; + + if (of_property_read_string(node, "link-name", &name)) { + name = devm_kasprintf(card->dev, GFP_KERNEL, "%s.%s", + prefix, node->full_name); + if (!name) + return -ENOMEM; + } link->name = name; link->stream_name = name;