linux-kernel - [PATCH 1/2] arm64: dts: rockchip: fix num-channels property of wolfvision pf5 mic

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Message-Id: <20241218-b4-wolfvision-pf5-update-v1-1-1d1959858708@wolfvision.net>
Date: Wed, 18 Dec 2024 11:43:11 +0100
From: Michael Riesch <michael.riesch@...fvision.net>
To: Gerald Loacker <gerald.loacker@...fvision.net>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Michael Riesch <michael.riesch@...fvision.net>
Subject: [PATCH 1/2] arm64: dts: rockchip: fix num-channels property of
 wolfvision pf5 mic

The Rockchip RK3568 PDM block always considers stereo inputs. Therefore,
the number of channels must be always an even number, even if a single
mono microphone is attached.

Fixes: 0be29f76633a ("arm64: dts: rockchip: add wolfvision pf5 mainboard")
Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
---
 arch/arm64/boot/dts/rockchip/rk3568-wolfvision-pf5.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-wolfvision-pf5.dts b/arch/arm64/boot/dts/rockchip/rk3568-wolfvision-pf5.dts
index e8243c908542..c6e413731241 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-wolfvision-pf5.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-wolfvision-pf5.dts
@@ -53,7 +53,7 @@ hdmi_tx_5v: regulator-hdmi-tx-5v {
 
 	pdm_codec: pdm-codec {
 		compatible = "dmic-codec";
-		num-channels = <1>;
+		num-channels = <2>;
 		#sound-dai-cells = <0>;
 	};
 

-- 
2.34.1