HP mute led support

[Takashi Iwai]

On Fri, 13 Nov 2020 08:11:46 +0100,
Kailang wrote:
> 
> Hi Takashi,
> 
> HP machine have mute led support.
> Attach patch will enable it.
> 
> Many Thanks.
> 
> BR,
> Kailang

Applied now.  Thanks.


Takashi