Re: [PATCH] ALSA: hda/realtek: add quirk for Acer Nitro ANV15-51

[zhangheng]

> Can LED be controlled dynamically by writing to a sysfs file in
> /sys/class/leds/*? e.g.
>
>    % cat /sys/class/leds/platform::micmute/brightness
>    1
>    % echo 0 > /sys/class/leds/platform::micmute/brightness
>
> If the direct write changes the actual LED status, it's not about the
> sound driver problem, but possibly some plumbing in user-space via
> UCM, etc.
After testing, it is normal, so there should be no problem with the 
driver. Therefore, I think this patch can be merged as soon as possible.
> thanks,
>
> Takashi