diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-6.1/950-0796-overlays-allo-katana-dac-audio-Reduce-I2C-clock.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-6.1/950-0796-overlays-allo-katana-dac-audio-Reduce-I2C-clock.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-6.1/950-0796-overlays-allo-katana-dac-audio-Reduce-I2C-clock.patch b/target/linux/bcm27xx/patches-6.1/950-0796-overlays-allo-katana-dac-audio-Reduce-I2C-clock.patch new file mode 100644 index 0000000000..43f63a1c63 --- /dev/null +++ b/target/linux/bcm27xx/patches-6.1/950-0796-overlays-allo-katana-dac-audio-Reduce-I2C-clock.patch @@ -0,0 +1,25 @@ +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>; |