This bug was fixed in the package linux-oem-5.6 - 5.6.0-1020.20
---------------
linux-oem-5.6 (5.6.0-1020.20) focal; urgency=medium
* focal/linux-oem-5.6: 5.6.0-1020.20 -proposed tracker (LP: #1886753)
* Realtek [10ec:c82f] Subsystem [17aa:c02f] Wifi adapter not found
(LP: #1886247)
- SAUCE: rtw88: 8822ce: add support for device ID 0xc82f
* [WD19TB] external DP failed with DRM error message (LP: #1886165)
- drm/i915/tgl: Update TC DP vswing table
- drm/i915/tgl: Implement WA_16011163337
- SAUCE: drm/i915/bios: add intel_bios_hdmi_level_shift()
- drm/i915/tgl: Add HBR and HBR2+ voltage swing table
- drm/i915/dc3co: Avoid full modeset when EXITLINE needs to be changed
- drm/i915/tgl+: Use the correct DP_TP_* register instances in MST encoders
- drm/i915/tgl+: Fix TBT DPLL fractional divider for 38.4MHz ref clock
* ubuntu_aufs_smoke_test failed on Focal OEM 5.6 (LP: #1879308)
- SAUCE: fs: Enable aufs
-- Timo Aaltonen <[email protected]> Wed, 08 Jul 2020
11:44:53 +0300
** Changed in: linux-oem-5.6 (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1877275
Title:
Don't register platform::micmute if the related tokens don't exist
Status in HWE Next:
Fix Released
Status in OEM Priority Project:
Fix Committed
Status in linux-oem-5.6 package in Ubuntu:
Fix Released
Status in linux-oem-osp1 package in Ubuntu:
Fix Released
Status in linux-oem-5.6 source package in Bionic:
Invalid
Status in linux-oem-osp1 source package in Bionic:
Fix Released
Status in linux-oem-5.6 source package in Focal:
Fix Released
Status in linux-oem-osp1 source package in Focal:
Invalid
Bug description:
[Impact]
Error messge is issued during boot up,
"platform::micmute: Setting an LED's brightness failed (-19)",
but there's no micmute led on the machine.
[Fix]
Get the related tokens of SMBIOS, GLOBAL_MIC_MUTE_DISABLE/ENABLE.
If one of two tokens doesn't exist, don't register platform::micmute.
After that, you wouldn't see the platform::micmute in /sys/class/leds/,
and the error message wouldn't see in dmesg.
[test]
With the patch, if GLOBAL_MIC_MUTE_DISABLE/ENABLE don't exist, the error
message
wouldn't be triggered and can't find platform::micmute in /sys/class/leds
[Regression Potential]
low, just avoid to register if device isn't presented.
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