Re: [PATCH] ALSA: hda/tegra: Re-enable SDO workaround for Tegra194

From: Aaron Kling

Date: Tue Sep 29 2026 - 13:22:47 EST


On Tue, Sep 29, 2026 at 6:12 AM Thierry Reding
<thierry.reding@xxxxxxxxxx> wrote:
>
> On Sat, Sep 26, 2026 at 02:24:19AM -0500, Aaron Kling via B4 Relay wrote:
> > From: Aaron Kling <webgeek1234@xxxxxxxxx>
> >
> > This workaround was originally added for Tegra194, but no longer gets
> > applied for it. Commit 615d43540043 ("ALSA: hda/tegra: fix tegra-hda on
> > tegra30 soc") changed the guard to tegra30-hda, which worked because all
> > affected archs had the fallback compatible. However, commit 7f0ea5acfc19
> > ("arm64: tegra: Use correct compatible string for Tegra194 HDA") removed
> > the fallback compatible for Tegra194, causing this to break.
> >
> > Fixes: 7f0ea5acfc19 ("arm64: tegra: Use correct compatible string for Tegra194 HDA")
> > Cc: stable@xxxxxxxxxxxxxxx
> > Assisted-by: LLM
> > Signed-off-by: Aaron Kling <webgeek1234@xxxxxxxxx>
> > ---
> > ALSA: hda/tegra: Re-enable SDO workaround for Tegra194
> > ---
> > sound/hda/controllers/tegra.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
>
> Maybe we should move this out of of_device_is_compatible() conditionals
> and into hda_tegra_soc instead. That would make the checks for this a
> lot more consistent and robust.

I received a notification from Takashi Iwai that this has already been
picked up, but it was only sent to me and not the list. Not sure why.
But looking at -next, it's already there. Not sure if you would want
to have that pulled back for updates or do followups later.

Aaron