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[2001:4c4e:1b88:3700:a9e6:99eb:87fb:5bdb]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47f464b7f84sm13003669f8f.27.2026.07.14.22.27.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jul 2026 22:27:25 -0700 (PDT) From: Igor Paunovic To: Dmitry Osipenko , Mauro Carvalho Chehab Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-media@vger.kernel.org, kernel@collabora.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Igor Paunovic Subject: [RFC PATCH 1/2] dt-bindings: media: snps,dw-hdmi-rx: add #sound-dai-cells Date: Wed, 15 Jul 2026 07:19:38 +0200 Message-ID: <20260715051939.64652-2-royalnet026@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260715051939.64652-1-royalnet026@gmail.com> References: <20260715051939.64652-1-royalnet026@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The HDMI RX controller can expose the audio embedded in the incoming HDMI stream as an ALSA capture device. Document the #sound-dai-cells property so that a sound card can reference the HDMI RX audio DAI. Signed-off-by: Igor Paunovic --- .../devicetree/bindings/media/snps,dw-hdmi-rx.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml index b7f6c87..83c10d9 100644 --- a/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml +++ b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml @@ -78,6 +78,13 @@ properties: The phandle of the syscon node for the Video Output GRF register to enable EDID transfer through SDAIN and SCLIN. + "#sound-dai-cells": + const: 1 + description: + The HDMI RX controller registers a generic HDMI audio codec so the + audio embedded in the incoming stream can be captured. A value of 1 + lets a sound card reference the audio DAI as <&hdmirx 0>. + required: - compatible - reg -- 2.53.0