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Sun, 20 Sep 2026 23:34:43 -0700 (PDT) Received: from Aaron-M6 ([188.253.120.162]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ddc179dbd5sm28173565ad.39.2026.09.20.23.34.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Sep 2026 23:34:42 -0700 (PDT) From: Yaozhong Li To: heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 3/3] arm64: dts: rockchip: enable HDMI audio on rk3399-firefly Date: Mon, 21 Sep 2026 14:34:30 +0800 Message-ID: <20260921063431.103-4-yaozhonguwl@gmail.com> X-Mailer: git-send-email 2.55.0.windows.3 In-Reply-To: <20260921063431.103-1-yaozhonguwl@gmail.com> References: <20260921063431.103-1-yaozhonguwl@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260920_233444_054107_C825C5BB X-CRM114-Status: GOOD ( 12.67 ) 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 Firefly-RK3399 carries audio over its HDMI connector, but hdmi_sound is left disabled, so the only outputs are the analog RT5640 jacks and S/PDIF. Enable it. This needs the previous patch: with i2s0 still holding two pl330 channels there is none left for i2s2 and the card fails to probe. Tested on a Firefly-RK3399 with a 1920x1080 display attached. All three cards register and the hdmi-sound card plays at both 44.1 and 48 kHz: 0 [hdmisound ]: simple-card - hdmi-sound 1 [rockchiprt5640c]: simple-card - rockchip,rt5640-codec 2 [SPDIF ]: SPDIF - SPDIF Assisted-by: LLM Signed-off-by: Yaozhong Li --- arch/arm64/boot/dts/rockchip/rk3399-firefly.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts index dbc38dd..0469807 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts @@ -323,6 +323,10 @@ &hdmi { status = "okay"; }; +&hdmi_sound { + status = "okay"; +}; + &i2c0 { clock-frequency = <400000>; i2c-scl-rising-time-ns = <168>; -- 2.55.0.windows.3