[alsa-devel] No sound on Thinkpad T440s in Docking Station

[Takashi Iwai]

At Wed, 30 Apr 2014 19:05:24 +0200,
Joschi Brauchle wrote:
> 
> 
> 
> On 04/30/2014 06:43 PM, Takashi Iwai wrote:
> > At Wed, 30 Apr 2014 10:56:48 +0200,
> > Joschi Brauchle wrote:
> >>
> >> Dear all,
> >>
> >> using openSUSE 13.1 on an Thinkpad T440s, I am not getting sound once
> >> the laptop is docked to its docking station.
> >>
> >> I suspect an additional SND_PCI_QUIRK is needed for this model.
> >> "pactl list" returns
> >> ----------------
> >> alsa.mixer_name = "Realtek ALC292"
> >> alsa.components = "HDA:10ec0292,17aa220c,00100001"
> >> ----------------
> >> for the analog audio output sink in docked state.
> >>
> >> Hence I assume a new line *similar* to this
> >> ----------------
> >> SND_PCI_QUIRK(0x17aa, 0x220c, "Thinkpad T440s", ALC269_FIXUP_LENOVO_DOCK),
> >> ----------------
> >> is needed?
> >> What about the ALC292 instead of 269 Realtek chip...?
> >
> > It's a compatible chip, so the codec name doesn't matter.
> > You can try it with model=lenovo-dock option with the recent kernels.
> > For Haswell, it's safer to pass twice
> > (model=lenovo-dock,lenovo-dock).
> >
> > Let us know if this works for you.
> >
> >
> > Takashi
> >
>   Hi Takashi,
> 
> so i have:
> ------------------ /etc/modprobe.d/50-sound.conf -------------------
> 
> options snd-hda-intel model=lenovo-dock,lenovo-dock
> options snd slots=snd-hda-intel,snd-hda-intel
> # 3hqH.vsazS+ZIdb9:Intel Corporation
> alias snd-card-0 snd-hda-intel
> # u1Nb.8dI5aUgInHB:Intel Corporation
> alias snd-card-1 snd-hda-intel
> ------------------
> and rebooted, but still get no sound from the headphone jack on the 
> dock, although the built-in speakers immediately mute when plugging in 
> headphones.

Give alsa-info.sh output with that state for further checking.


Takashi