On Wed, 2013-08-14 at 14:41 +0800, Alex Hung wrote:
> Hi Matthew,
> 
> The problem is that thinkpad-acpi does not aware of mute is changed by
> either hotkey presses or in desktop. 

Ok, how about this. Register the LED with the kernel LED subsystem. Add
a new LED trigger for volume-mute. Have the HDA driver call that trigger
whenever the mute state changes.

-- 
Matthew Garrett <matthew.garr...@nebula.com>
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