ThinkPad T-510 audio output mute LED non-workingness

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David Henningsson <david.henningsson at canonical.com> [2015-03-31 08:43:04 +0200]:
> 
> On 2015-03-31 05:51, Hui Wang wrote:
> > According to my understanding, it should be the former one,  PA tells
> > the driver to "mute the audio", and the driver sets the LED accordingly.
> 
> Yes, this is correct. More specific, the mic mute LED reflects the state of
> the "Capture Switch" mixer control (mic mute LED lit when "Capture Switch"
> is off), and the mute LED reflects the state of the "Master Playback Switch"
> (mute LED lit when "Master Playback Switch" is off).
> 
> Any discrepancy of the above would be a kernel bug.
> 

Ok, thanks guys!

fyi: kernel.org ML report filed here:

    http://marc.info/?l=linux-kernel&m=142801293803024


- Glenn


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