** Changed in: hwe-next
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1869642
Title:
No audio output from Dell WD19 HDMI/DP after resumed from S3 or s2idle
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Invalid
Status in linux-oem package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Status in linux-oem source package in Bionic:
Fix Released
Bug description:
[Impact]
Plug-in HDMI/DP cable onto docking station after system resumed from
S3/s2idle, there is no audio output from HDMI/DP even if you select the HDMI/DP
audio output manually from sound settings.
It shows this in dmesg when try testing speakers from sound settings
[ 2052.030247] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register
0x2f0d00. -5
[Fix]
This issue has been fixed in 4.16-rc1 by below commit
4918e1f87c5f PM / runtime: Rework pm_runtime_force_suspend/resume()
[Test]
Verified on Dell Latitude 3310 + Dell WD19 docking station
[Regression Potential]
Low, it fixes the device usage counter, and should also fix some other runpm
issues.
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