Hello, unfortunately I am still lost and do not know how to attack the problem... But I found this bug: https://bugzilla.kernel.org/show_bug.cgi?id=207423 and I wounder if it related to the problem here? Best, Stanislav On Dienstag, 23. Juni 2020 18:49:59 CEST Takashi Iwai wrote: > On Tue, 23 Jun 2020 17:49:18 +0200, > > Stanislav Kazmin wrote: > > Hello, I have the following problem on my Acer TravelMate P614-51T-G2: > > > > I have all the audio sinks correctly identified (like HDMI, DMic, > > Headphones) but the internal speakers do not produce any sound. > > > > What I have tried so far: > > > > - hard/soft shutdown on Windows and reboot > > - disable/re-enable speakers and microphone in BIOS > > - uninstall pulseaudio and test alsa alone (so it is defeitely **not** a > > pulseaudio issue) > > - switch from sof-hda-dsp to snd-hda-intel driver (without Dmic support) > > - retask pins 0x14, 0x16, 0x1b to "Internal Speakers" through > > hdajackretask > > (only basic, without advanced features) > > - removed/reconnected the headphones > > > > `alsamixer` shows all needed sinks and nothing is muted. > > > > I already discussed the issue at sof github > > https://github.com/thesofproject/ sof/issues/3058 but since the same > > issue occurs on `snd-hda-intel` legacy river, I was advised to > > communicate with alsa-devel team. > > > > The alsa-info.sh result are linked at http://alsa-project.org/db/? > > f=252f92c7a1df3c755d16ee69353b26d2535a4d81 > > > > I have tested the kernel 5.8-rc1 but it does not make any difference. > > > > Let me know if I can do anything else to test the issue. > > It's hard to know and the only way is to some trial-and-errors. > The first shot I'd take is to toggle GPIO pins. You can change the > bit via hda-verb program like > hda-verb /dev/snd/hwC0D0 0x01 SET_GPIO_DIR 0x01 > hda-verb /dev/snd/hwC0D0 0x01 SET_GPIO_MASK 0x01 > hda-verb /dev/snd/hwC0D0 0x01 SET_GPIO_DATA 0x01 > > to turn on the bit 0 of GPIO. The first 0x01 is the node ID and it's > 0x01 on Realtek, and the last 0x01 the GPIO bit 0. For toggling the > bit 1, pass 0x02 in the last argument, and for bit 2, pass 0x04. > > And try turn on EAPD on non-used pins. This can be done via hda-verb, > too. > > If this doesn't help, you might need to try some COEF changes as done > in various quirks in sound/pci/hda/patch_realtek.c. > > > HTH, > > Takashi
