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

[Thierry Reding]

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.

Thierry

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