[PATCH] ALSA: hda - fix the micmute led status for Lenovo ThinkCentre AIO

Takashi Iwai tiwai at suse.de
Mon Aug 10 08:51:03 CEST 2020


On Mon, 10 Aug 2020 08:34:36 +0200,
Hui Wang wrote:
> 
> 
> On 2020/8/10 下午2:30, Takashi Iwai wrote:
> > On Mon, 10 Aug 2020 04:16:59 +0200,
> > Hui Wang wrote:
> >> After installing the Ubuntu Linux, the micmute led status is not
> >> correct. Users expect that the led is on if the capture is disabled,
> >> but with the current kernel, the led is off with the capture disabled.
> >>
> >> We tried the old linux kernel like linux-4.15, there is no this issue.
> >> It looks like we introduced this issue when switching to the led_cdev.
> > The behavior can be controlled via "Mic Mute-LED Mode" enum kcontrol.
> > Which value does it have now?  If it's "Follow Capture", that's the
> > correct behavior.  OTOH, if it's "Follow Mute", the LED polarity is
> > indeed wrong.
> 
> It is "Follow Mute",  if I change it to "Follow Capture" manually, the
> led status becomes correct.

OK, thanks for confirmation.  Applied now.


Takashi


More information about the Alsa-devel mailing list