This bug was fixed in the package linux-oem - 4.15.0-1073.83
---------------
linux-oem (4.15.0-1073.83) bionic; urgency=medium
* bionic/linux-oem: 4.15.0-1073.83 -proposed tracker (LP: #1863592)
* Support Headset Mic on HP cPC (LP: #1862313)
- ALSA: hda/realtek - Fixed one of HP ALC671 platform Headset Mic supported
* alsa/hda/realtek: chain a fixup to an existing quirk to fix the heaset-mic
problem on 2 Dell machines (LP: #1858156)
- SAUCE: ALSA: hda - chain the headset fix to an existing quirk
-- Chia-Lin Kao (AceLan) <acelan....@canonical.com> Mon, 17 Feb 2020
18:29:02 +0800
** Changed in: linux-oem (Ubuntu Bionic)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1859561
Title:
[SRU][B/OEM-B/OEM-OSP1/D/E/Unstable] UBUNTU: SAUCE: Use native
backlight on Lenovo E41-25/45
Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Committed
Status in linux-oem package in Ubuntu:
New
Status in linux-oem-osp1 package in Ubuntu:
New
Status in linux source package in Bionic:
Fix Released
Status in linux-oem source package in Bionic:
Fix Released
Status in linux-oem-osp1 source package in Bionic:
Fix Released
Status in linux source package in Disco:
Won't Fix
Status in linux-oem source package in Disco:
Invalid
Status in linux-oem-osp1 source package in Disco:
Invalid
Status in linux source package in Eoan:
Fix Released
Status in linux-oem source package in Eoan:
Invalid
Status in linux-oem-osp1 source package in Eoan:
Invalid
Bug description:
SRU justification:
[Impact]
ACPI backlight control doesn't work on 2 Lenovo E41 laptops.
[Fix]
Use native backlight control instead.
[Test]
Verified on hardware with a positive result.
[Regression Potential]
Low.
Add new DMI strings with positive verification.
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