APPLIED(B,B-OEM,C): [SRU][B/B-OEM/C/D][PATCH 0/1] codecs stop working after S3
Khaled Elmously
khalid.elmously at canonical.com
Wed Mar 27 05:58:33 UTC 2019
Applied first patch to 3 trees
On 2019-03-20 09:47:15 , Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1820930
>
> To fix this bug, B/OEM-B/C needs only 1 patch, while v5.0-rc1 introduced
> a new patch which affect this issue, so the DISCO needs 2 patches.
>
> [Impact]
> After S3, some codecs (alc236, alc255, alc891 and some HDMI codec) stop
> working, they can't detect jack plugging/unplugging or the audio device
> can't show up in the gnome-sound-setting
>
> [Fix]
> After S3, if it runs runtime_resume(), the codec works again. We change
> the driver to let system_resume() trigger runtime_resume()
>
> [Test Case]
> This issue is reported from OEM project, some codecs can't detect
> jack pluggin/unplugging, some codecs can't show up in the UI, after
> applying this patch, all related bugs are fixed.
>
> [Regression Potential]
> Low. have tested on many machines (with this issue or without this issue),
> all worked well.
>
>
>
> Hui Wang (2):
> ALSA: hda - Enforces runtime_resume after S3 and S4 for each codec
> ALSA: hda - Don't trigger jackpoll_work in azx_resume
>
> sound/pci/hda/hda_codec.c | 18 +++++++++++++++++-
> sound/pci/hda/hda_intel.c | 8 ++++----
> 2 files changed, 21 insertions(+), 5 deletions(-)
>
>
> --
> 2.17.1
>
>
> --
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