Well, if not really solved at least I patched the problem, which is not really about pulseaudio at all. The Realtek ALC892 has a pin group that is by default a second line-in but can be switched to be an output pin. So there are four inputs by default, two mic-level inputs and two line-level inputs. Desktop motherboards don't generally have two line-level inputs. Instead they may have one line-level input on the back-panel I/O. What they also have is an HD audio header that almost always ends up being connected to two 3.5mm jacks on the case. One of the jacks is for a microphone and one is for headphones. My motherboard attaches the front mic pin and the second line-in pin from the chip to this header. Windows knows enough (probably by means of a quirk for the motherboard) to repurpose the second line-in as a headphone jack. However, this is not done in Linux. I found out much of this from https://bugs.launchpad.net/ubuntu/+source/linux/+bug/993162 which is about a different motherboard but the same chip and the same pin attachment. I don't know whether it is worthwhile to have a quirk added for my (old) motherboard. So what I did was to use hdajackretask to retask pin 0x1b to Headphone, and install a boot override for this. I think that a reboot is needed to have the change take total effect. peter On 12/14/18 12:33 PM, Russell Treleaven wrote: > take 2 > `aplay -l` for the playback devices and `arecord -l` for the capture devices. > Sometimes disabling auto-mute at the alsa layer makes the headphone jack show up. > > > > On Fri, Dec 14, 2018 at 11:14 AM Russell Treleaven <rtreleaven@xxxxxxxxxxxx > <mailto:rtreleaven@xxxxxxxxxxxx>> wrote: > > First thing is to do is verify that alsa sees the card. > `aplay -l` for playback devices and `aplay -L` for capture devices. > If alsa doesn't see it pulseaudio won't see it. > > On Fri, Dec 14, 2018 at 10:56 AM Peter F. Patel-Schneider > <pfpschneider@xxxxxxxxx <mailto:pfpschneider@xxxxxxxxx>> wrote: > > Hi: > > I have an Intel 7 Series desktop where the audio chip is a Realtek ALC892. > The audio setup is quite normal, with 7+1+mic on the rear and mic and > headphones on the front. > > However, pulseaudio doesn't show a headphone port for the card (HDA Intel > PCH), just front and rear mics, digital output, HDMI 0 and 1, output > lineout > (which I assume is the 7+1 on the back), and input linein. > > I looked around and found a few related documents but nothing that > appears to > be about this particular problem. Does anyone know what is wrong? > How can I > fiddle with the description of the card? > > Thanks, > > peter > > > _______________________________________________ > pulseaudio-discuss mailing list > pulseaudio-discuss@xxxxxxxxxxxxxxxxxxxxx > <mailto:pulseaudio-discuss@xxxxxxxxxxxxxxxxxxxxx> > https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss > > > > -- > Sincerely, > > Russell Treleaven > sip:rtreleaven@xxxxxxxxxxxxxxxx > <mailto:sip%3Artreleaven@xxxxxxxxxxxxxxxx>;transport=tcp > > > > -- > Sincerely, > > Russell Treleaven > sip:rtreleaven@xxxxxxxxxxxxxxxx > <mailto:sip%3Artreleaven@xxxxxxxxxxxxxxxx>;transport=tcp > > > _______________________________________________ > pulseaudio-discuss mailing list > pulseaudio-discuss@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss > _______________________________________________ pulseaudio-discuss mailing list pulseaudio-discuss@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
