Re: default model for snd-hda-intel doesnt work

[mw-u2@gmx.de]

Takashi Iwai <tiwai@suse.de> wrote:
> At Fri, 23 Jun 2006 14:25:54 +0200,
> Peter Lustig wrote:
> > 
> > Takashi Iwai <tiwai@suse.de> wrote:
> > 
> > > At Wed, 21 Jun 2006 21:17:16 +0200,
> > > mw-u2@gmx.de wrote:
> > > > 
> > > > Hi,
> > > > 
> > > > > If the default configuration doesn't work and one of the above
> > > > > matches with your device, report it together with the PCI
> > > > > subsystem ID (output of "lspci -nv") to ALSA BTS or alsa-devel
> > > > > ML (see the section "Links and Addresses").
> > > > 
> > > > I had to use options snd-hda-intel model=6stack position_fix=1
> index=0
> > > > 
> > > > $ lspci
> > > > 0000:00:14.2 0403: ATI Technologies Inc: Unknown device 437b (rev
> 01)
> > > > 
> > > > $ lspci -nv
> > > > 
> > > > 0000:00:14.2 0403: 1002:437b (rev 01)
> > > >         Subsystem: 1462:7173
> > > >         Flags: bus master, slow devsel, latency 64, IRQ 201
> > > >         Memory at febf8000 (64-bit, non-prefetchable) [size=16K]
> > > >         Capabilities: [50] Power Management version 2
> > > >         Capabilities: [60] Message Signalled Interrupts: 64bit+
> > > Queue=0/0 Enable-
> > > > 
> > > > Hope that helps!
> > > > 
> > > > I still got a very annoying problem left though: I cant change the
> > > > volume using the PCM channel I have to change the volume of Front
> > > > channel. This is very annoying since all programs with a volume
> > > > control change the PCM channel which is of no effect. 
> > > 
> > > Hm, this implies that model=6stack doesn't match with your devices
> > > well enough.  Also, position_fix=1 shouldn't be necessary in the
> > > latest version.  Doesn't the driver work without this option?
> > 
> > without position_fix=1 it doesn't work. Eg. playing in a file with
> > ogg123 doesn't work. ogg123 has a display of the seconds played so
> > far and this timer doesn't increase. Neither does sound work with
> > other applications. 
> 
> OK, then it's a hardware (or BIOS) bug...

I checked it again with position_fix=0,1,2 and it only works with 1 (always also using model=6stack).

> > > Provide /proc/asound/card0/codec#* files and /etc/asound.state for
> > > further analysis.
> > 
> > $ cat /proc/asound/version
> > Advanced Linux Sound Architecture Driver Version 1.0.11rc2 (Wed Jan 04
> 08:57:20 2006 UTC).
> > 
> > $ apt-cache policy alsa-base
> > alsa-base:
> >   Installed: 1.0.11-2
> >   Candidate: 1.0.11-2
> >   Version table:
> >  *** 1.0.11-2 0
> >         500 ftp://ftp.de.debian.org testing/main Packages
> >         100 /var/lib/dpkg/status
> > 
> > $ cat /proc/asound/card0/codec#3
> > Codec: Realtek ALC880
> 
> The "PCM" volume control on this codec chip is implemented in the
> softvol plugin of alsa-lib.  If you use OSS applications over kernel
> OSS emulation, it doesn't work.

Great catch! I was indeed using OSS emulation (by accident) by one program and thought it was a general problem. Sorry for that. I configured the program to alsa and volume control does work now. Thank you very much.


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