[SRU][B/B-OEM/C/D][PATCH 0/1] codecs stop working after S3

hwang4 hui.wang at canonical.com
Mon Mar 25 05:39:12 UTC 2019

On 2019/3/25 下午1:09, Khaled Elmously wrote:
> 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(-)
> Hui, doesn't look like the second patch applies cleanly to any of B, B-OEM or C, and it's not a straightforward modification for me to get them to apply.
> Could you please rebase your trees and make sure those patches can apply on top of the current HEADs?
> Thanks

Hello Khaled,

B, B-OEM and C don't need the 2nd patch, only D needs 2 patches; B, 
B-OEM and C only need the 1st patch.



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