On Fri, 31 Dec 2021 14:12:21 +0100,
Christian A. Ehrhardt wrote:
>
>
> Hi,
>
> I have a DELL Inspirion 3501 laptop with a cirrus cs8904 HDA codec.
> With more recent kernels the internal speakers stopped working.
> I bisected the issue and tracked it down to this commit
>
> | commit c8b4f0865e82c14924c69c07d985af3ee9133316
> | Author: Stefan Binding <sbinding@xxxxxxxxxxxxxxxxxxxxx>
> | Date: Wed Aug 11 19:56:52 2021 +0100
> |
> | ALSA: hda/cs8409: Remove unnecessary delays
>
> After a bit of experimenting with the timeouts I came
> up with the patch below that fixes the issue for me.
>
> However, I don't have the specs for the chip, i.e. I don't
> know what a theoretically correct value would be.
>
> Suggested patch below, please consider inclusion.
>
> regards Christian
>
> >From 9c796d221171c6d12fd84ae4f5c8315030c8c4ca Mon Sep 17 00:00:00 2001
> From: "Christian A. Ehrhardt" <lk@xxxxxxx>
> Date: Fri, 31 Dec 2021 10:33:19 +0100
> Subject: [PATCH 1/2] ALSA: hda/cs8409: Increase delay during jack detection
>
> Commit c8b4f0865e82 reduced delays related to cs42l42 jack
> detection. However, the change was too aggressive. As a result
> internal speakers on DELL Inspirion 3501 ac8b4f0865e82re not detected.
>
> Increase the delay in cs42l42_run_jack_detect() a bit.
>
> Fixes: c8b4f0865e82 ("ALSA: hda/cs8409: Remove unnecessary delays")
> Signed-off-by: Christian A. Ehrhardt <lk@xxxxxxx>
Thanks, applied now.
Takashi
