[SRU] [F/Unstable] [PATCH 0/1] Add Mute LED support for an HP laptop

Kai-Heng Feng kai.heng.feng at canonical.com
Mon Apr 6 12:09:10 UTC 2020

BugLink: https://bugs.launchpad.net/bugs/1871090

Mute LED isn't on after the audio output is muted.

Use HDA codec to control GPIO 4 to enable mute LED support.

After applying the patch, mute LED works with mute hotkey or disable
sound in Gnome Control Center.

[Regression Potential]
Low. This fix only target at one specific laptop.

Kai-Heng Feng (1):
  ALSA: hda/realtek: Enable mute LED on an HP system

 sound/pci/hda/patch_realtek.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)


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