Re: [PATCH 4/5] usb: typec: mux: ps883x: add a delay after writing config regs
From: Abel Vesa
Date: Wed Sep 02 2026 - 04:53:32 EST
On 26-07-18 19:06:32, Jens Glathe via B4 Relay wrote:
> From: Jens Glathe <jens.glathe@xxxxxxxxxxxxxxxxxxxxxx>
>
> The config regs seem to need a few ms to propagate the changes through the
> system (like, PLLs). This improves the hotplug dp altmode success rate
> on the Lenovo 40B0 dock to 100%.
>
> Tested with T14s G6 and 40B0 dock on the HDMI port with a type-c host cable.
>
> Assisted-by: Gemini:3
> Signed-off-by: Jens Glathe <jens.glathe@xxxxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>