openwrt/target/linux/bcm27xx/patches-6.1/950-0796-overlays-allo-katana-dac-audio-Reduce-I2C-clock.patch

26 lines
840 B
Diff
Raw Normal View History

From d4c3133378b377ee519ea50247339cd61221fc47 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Wed, 21 Jun 2023 09:20:36 +0100
Subject: [PATCH] overlays: allo-katana-dac-audio: Reduce I2C clock
Higher speeds have been shown to cause data corruption on a Pi 4,
possibly due to clock-stretching.
See: https://github.com/raspberrypi/linux/issues/5511
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
arch/arm/boot/dts/overlays/allo-katana-dac-audio-overlay.dts | 1 +
1 file changed, 1 insertion(+)
--- a/arch/arm/boot/dts/overlays/allo-katana-dac-audio-overlay.dts
+++ b/arch/arm/boot/dts/overlays/allo-katana-dac-audio-overlay.dts
@@ -30,6 +30,7 @@
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
+ clock-frequency = <50000>;
allo-katana-codec@30 {
#sound-dai-cells = <0>;