APPLIED Re: [SRU] [OEM-6.0] [PATCH 0/2] Fix cs35l41 regression
Timo Aaltonen
tjaalton at ubuntu.com
Wed Nov 16 16:23:20 UTC 2022
Kai-Heng Feng kirjoitti 9.11.2022 klo 14.03:
> BugLink: https://bugs.launchpad.net/bugs/1995957
>
> [Impact]
> cs35l41 speaker amplifier doesn't work on kernel 6.0.
>
> [Fix]
> 1) Proper component matching
> 2) Revert a commit that is part of a series. We either backport the
> whole series or revert it. Choose the latter approach.
>
> [Test]
> With the fix applied, the speaker and its amp work again.
>
> [Where problems could occur]
> The theoratical fix "ALSA: hda: Fix page fault in
> snd_hda_codec_shutdown()" may have its merit, so we may need to backport
> the whole series in the future.
>
> Kai-Heng Feng (1):
> Revert "ALSA: hda: Fix page fault in snd_hda_codec_shutdown()"
>
> Takashi Iwai (1):
> ALSA: hda/realtek: More robust component matching for CS35L41
>
> sound/pci/hda/hda_codec.c | 41 ++++++++++++-----------
> sound/pci/hda/patch_realtek.c | 62 +++++++++++++++++++++--------------
> 2 files changed, 58 insertions(+), 45 deletions(-)
>
applied, although the second patch was already reverted upstream in
commit 3fc935490c
--
t
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