openwrt/target/linux/bcm27xx/patches-6.1/950-0796-overlays-allo-katana-dac-audio-Reduce-I2C-clock.patch
Marty Jones 2e715fb4fc bcm27xx: update 6.1 patches to latest version
Add support for BCM2712 (Raspberry Pi 5).
3bb5880ab3
Patches were generated from the diff between linux kernel branch linux-6.1.y
and rpi-6.1.y from raspberry pi kernel source:
- git format-patch linux-6.1.y...rpi-6.1.y

Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
[Remove applied and reverted patches, squash patches and config commits]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-01-25 17:46:45 +01:00

26 lines
840 B
Diff

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>;