[pulseaudio-discuss] Generic device names in pavucontrol

[Valmantas Palikša]

Here's the lspci output:

00:00.0 Host bridge: VIA Technologies, Inc. VT8385 [K8T800 AGP] Host
Bridge (rev 01)
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI bridge
[K8T800/K8T890 South]
00:0c.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev
08)
00:0d.0 Multimedia video controller: Conexant Systems, Inc.
CX23880/1/2/3 PCI Video and Audio Decoder (rev 05)
00:0f.0 IDE interface: VIA Technologies, Inc. VIA VT6420 SATA RAID
Controller (rev 80)
00:0f.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 81)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 81)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 81)
00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller (rev 81)
00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge
[KT600/K8T800/K8T890 South]
00:11.5 Multimedia audio controller: VIA Technologies, Inc.
VT8233/A/8235/8237 AC97 Audio Controller (rev 60)
00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II]
(rev 78)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]
HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]
Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]
DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron]
Miscellaneous Control
01:00.0 VGA compatible controller: nVidia Corporation NV43 [GeForce
6600] (rev a2)

On Tue, 2009-11-03 at 22:11 +0100, Lennart Poettering wrote:
> On Tue, 03.11.09 23:06, Valmantas Palikša (walmis at gmail.com) wrote:
> 
> > Since upgrading to ubuntu 9.10 devices in pavucontrol and gnome sound
> > settings are listed as "Internal Audio Analog Stereo". I have two sound
> > cards on my pc and both of them are listed with the same name.
> > Previously they were listed with actual card names like "VIA 8237", so
> > now it's kind of unclear which card should be used when moving streams
> > for example. 
> > 
> > Here's a fragment from pactl list
> > 
> > Card #1
> > 	Name: alsa_card.pci-0000_00_11.5
> > 	Driver: module-alsa-card.c
> > 	Owner Module: 5
> > 	Properties:
> > 		alsa.card = "1"
> > 		alsa.card_name = "VIA 8237"
> 
> Hmm, that is surprising. How come you have two cards on PCI bus 0?
> Could you provide your lspci output?
> 
> Currently we use the "Internal sound card" name for all PCI cards
> that are on PCU bus #0, which normally should be internal bus of the
> chipset. In your case this seems be an invalid assumption?
> 
> The name is assigned indirectly, based on the SOUND_FORM_FACTOR udev
> property, which is set in /lib/udev/rules.d/78-sound-card.rules. You
> should be able to drop that special label by commenting a rule in
> that file.
> 
> Ideally however I'd like to see this fixed properly, i.e. I am
> wondering if there is some way so that we can safely identify internal
> sound cards even for setups like yours.
> 
> Lennart
>