On Mon, May 13, 2013 at 5:53 PM, Takashi Iwai <[email protected]> wrote: > At Mon, 13 May 2013 17:26:04 +0200, Takashi Iwai wrote: >> At Sun, 12 May 2013 11:53:41 +0200, Alex Riesen wrote: >> > >> > I just noticed (use the headphones rarely) that the headphones on this >> > System76 Lemur Ultra (lemu4) stopped working. There is absolutely no >> > output. >> > >> >> It's strange that the pin 0x25 shows EAPD 0x00 and pin-control 0x00. >> They should be 0x02 and 0xc0 constantly. Is it taken at the moment >> the headphone is plugged, right? Please give alsa-info.sh outputs at >> both the headphone plugged and unplugged.
Attached. Sorry for gzipping, the alsa-devel rejects two at a time: too large. >> Could you check whether changing them makes the headphone output >> working? For example, get hda-verb program (see >> Documentation/sound/alsa/HD-Audio.txt) and run it like >> >> hda-verb /dev/snd/hwC0D0 0x25 SET_PIN_WID 0xc0 >> hda-verb /dev/snd/hwC0D0 0x25 SET_EAPD 0x02 It helps, headphones start working. > Also, what happens if you apply the patch below? > - spec->set_widgets_power_state = set_widgets_power_state_vt2002P; > + //spec->set_widgets_power_state = set_widgets_power_state_vt2002P; This helps as well. Yay! Thanks :) Whatever the outcome, I have them back more or less (more, for me) properly. Probably unrelated, but I better mention it anyway: the "Auto-Mute Mode" works strangely, it never mutes anything but headphones. It might work as designed, but it is useless in this case: one still has to mute the speaker manually when plugging headphones (or do something with input events, which I failed to get to work). And "Independent HP" has absolutely no effect, which is probably as it should be on this laptop.
3.9.2-w-headphone.alsa.gz
Description: GNU Zip compressed data
3.9.2-wo-headphone.alsa.gz
Description: GNU Zip compressed data
