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While running an Ubuntu kernel (not a mainline or third-party kernel)
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apport-collect 1978915
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu Jammy)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1978915
Title:
alsa/hda: mute led can't work on the lenovo machine with cs35l41
s-codec
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem-5.14 package in Ubuntu:
New
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.14 source package in Focal:
New
Status in linux source package in Jammy:
Incomplete
Status in linux-oem-5.14 source package in Jammy:
Invalid
Bug description:
The fix is already in the upstream kernel stable-v5.17, no need to
send this patch to oem-5.17 and unstable kernels.
[Impact]
After we apply the cs35l41 s-codec patchset to the oem-5.14 and jammy
kernels, the mute led can't work anymore.
[Fix]
Backport a patch from mainline kernel to fix this regression
[Test]
boot the patched kernel, press mute hotkey, the speaker is muted
and the mute led is on, press the mute hotkey again, the speaker
is unmuted and the mute led is off.
[Where problems could occur]
After merging this patch, it is possible to affect the machines which
apply the ALC287_FIXUP_CS35L41_I2C_2, but the regression possibility
is very low since hda_fixup_thinkpad_acpi() could check if the quirk
is suitable for the running machine. And we did test, all machines
could work well.
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