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

[Takashi Iwai]

At Fri, 02 May 2014 11:02:15 +0200,
Joschi Brauchle wrote:
> 
> 
> 
> On 05/02/2014 10:21 AM, Takashi Iwai wrote:
> > At Fri, 02 May 2014 10:16:10 +0200,
> > Joschi Brauchle wrote:
> >>
> >> On 05/02/2014 09:31 AM, Takashi Iwai wrote:
> >>> 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
> >>>
> >>
> >> Please find alsa-info attached while docking and with
> >> "model=lenovo-dock,lenovo-dock" option.
> >
> > Did you take alsa-info.sh output while you're plugging to the dock
> > headphone jack?  With the setup, it's NID 0x1b, and "Dock Headphone
> > Jack" control should be "true" when properly detected.
> >
> > Maybe you'd be better to figure out which dock pin corresponds to
> > which at first.  hda-jack-retask should be your help.
> >
> >
> > Takashi
> >
> Hi,
> 
> yes, alsa-info.sh was created while the laptop was docked and headphones 
> plugged in at the docking station headphone jack.
> 
> I installed hda-jack-retask and played with it a little bit, but I'm 
> rather lost...
> 
> What exactly whould I try to do with it?

The most important thing is to identify which I/O jack corresponds to
which HD-audio pin.  When the jack detection is available (usually
so), doing trial-and-error by issuing HD-audio jack detect verbs would
be the simplest way.  You can do it via several tools, either
hda-jack-retask, hda-analyzer or manually via hda-verb.


Takashi