On Tue, 06 Mar 2018 10:03:38 +0100, Kailang wrote: > > > > > -----Original Message----- > > From: Takashi Iwai [mailto:tiwai@xxxxxxx] > > Sent: Tuesday, March 06, 2018 4:49 PM > > To: Kailang > > Cc: (alsa-devel@xxxxxxxxxxxxxxxx) > > Subject: Re: Dell new AIO platform > > > > On Tue, 06 Mar 2018 08:54:39 +0100, > > Kailang wrote: > > > > > > Hi Takashi, > > > > > > This platform was only one phone Jack. > > > Add dummy lineout verb to fix automute mode disable. > > > This just the workarround. > > > > I'm not sure why this phantom line pin is needed. > > What happens without that? > > Looks like I find the root cause for this issue, since there is only one output device (headphone）， so the Auto-mute is not supported on this machine, as a result, when users plug headphone to the jack, audomute_hook or hp_automute_hook will not be called, then the alc_update_headset_mode() will not be called, and alc_headset_mode_default() will not be called. the headset jack is always in the alc_headset_mode_unplugged() state. OK, now understood. I can take the patch as a tentative workaround. But for the proper fix, could you give alsa-info.sh output? thanks, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
