Bug 804736

Please paste the output of:
  $ udevadm info --query=property --name=/dev/snd/controlC0

  $ udevadm info --attribute-walk --name=/dev/snd/controlC0

  $ udevadm info --query=property --path=/sys/class/sound/card0

with 0 replaced with the right current number of your card.

Here's the output for both FireWire devices.  The iSight came up as C2, and the FireWave came up as C3.

[hack@precision ~]$ udevadm info --query=property --name=/dev/snd/controlC2
UDEV_LOG=3
DEVPATH=/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw1/fw1.1/sound/card2/controlC2
MAJOR=116
MINOR=13
DEVNAME=/dev/snd/controlC2
SUBSYSTEM=sound
ID_PATH=pci-0000:10:02.0
ID_PATH_TAG=pci-0000_10_02_0
DEVLINKS=/dev/snd/by-path/pci-0000:10:02.0
TAGS=:uaccess:
[hack@precision ~]$ udevadm info --attribute-walk --name=/dev/snd/controlC2

Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.

  looking at device '/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw1/fw1.1/sound/card2/controlC2':
    KERNEL=="controlC2"
    SUBSYSTEM=="sound"
    DRIVER==""

  looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw1/fw1.1/sound/card2':
    KERNELS=="card2"
    SUBSYSTEMS=="sound"
    DRIVERS==""
    ATTRS{id}=="iSight"
    ATTRS{number}=="2"

  looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw1/fw1.1':
    KERNELS=="fw1.1"
    SUBSYSTEMS=="firewire"
    DRIVERS=="snd_isight"
    ATTRS{rom_index}=="23"
    ATTRS{specifier_id}=="0x000a27"
    ATTRS{version}=="0x000010"
    ATTRS{model}=="0x000008"
    ATTRS{model_name}=="iSight"

  looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw1':
    KERNELS=="fw1"
    SUBSYSTEMS=="firewire"
    DRIVERS==""
    ATTRS{guid}=="0x000a2700040239a9"
    ATTRS{units}=="0x00a02d:0x000102 0x000a27:0x000010 0x000a27:0x000011 0x000a27:0x000012"
    ATTRS{vendor}=="0x080007"
    ATTRS{model}=="0x000008"
    ATTRS{vendor_name}=="Apple Computer, Inc."
    ATTRS{model_name}=="iSight"

  looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:10:02.0':
    KERNELS=="0000:10:02.0"
    SUBSYSTEMS=="pci"
    DRIVERS=="firewire_ohci"
    ATTRS{vendor}=="0x104c"
    ATTRS{device}=="0x8023"
    ATTRS{subsystem_vendor}=="0x103c"
    ATTRS{subsystem_device}=="0x12f1"
    ATTRS{class}=="0x0c0010"
    ATTRS{irq}=="16"
    ATTRS{local_cpus}=="00000000,00000000,00000000,00000000,00000000,00000000,00000000,0000000f"
    ATTRS{local_cpulist}=="0-3"
    ATTRS{numa_node}=="-1"
    ATTRS{dma_mask_bits}=="32"
    ATTRS{consistent_dma_mask_bits}=="32"
    ATTRS{broken_parity_status}=="0"
    ATTRS{msi_bus}==""

  looking at parent device '/devices/pci0000:00/0000:00:1e.0':
    KERNELS=="0000:00:1e.0"
    SUBSYSTEMS=="pci"
    DRIVERS==""
    ATTRS{vendor}=="0x8086"
    ATTRS{device}=="0x244e"
    ATTRS{subsystem_vendor}=="0x0000"
    ATTRS{subsystem_device}=="0x0000"
    ATTRS{class}=="0x060400"
    ATTRS{irq}=="0"
    ATTRS{local_cpus}=="00000000,00000000,00000000,00000000,00000000,00000000,00000000,0000000f"
    ATTRS{local_cpulist}=="0-3"
    ATTRS{numa_node}=="-1"
    ATTRS{dma_mask_bits}=="32"
    ATTRS{consistent_dma_mask_bits}=="32"
    ATTRS{broken_parity_status}=="0"
    ATTRS{msi_bus}=="1"

  looking at parent device '/devices/pci0000:00':
    KERNELS=="pci0000:00"
    SUBSYSTEMS==""
    DRIVERS==""

[hack@precision ~]$ udevadm info --query=property --path=/sys/class/sound/card2
UDEV_LOG=3
DEVPATH=/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw1/fw1.1/sound/card2
SUBSYSTEM=sound
ID_PATH=pci-0000:10:02.0
ID_PATH_TAG=pci-0000_10_02_0
ID_FOR_SEAT=sound-pci-0000_10_02_0
SOUND_INITIALIZED=1
ID_VENDOR_FROM_DATABASE=Texas Instruments
ID_MODEL_FROM_DATABASE=TSB43AB22A IEEE-1394a-2000 Controller (PHY/Link) [iOHCI-Lynx]
ID_BUS=pci
ID_VENDOR_ID=0x104c
ID_MODEL_ID=0x8023
SYSTEMD_WANTS=sound.target
TAGS=:seat:systemd:
[hack@precision ~]$ udevadm info --query=property --name=/dev/snd/controlC3
UDEV_LOG=3
DEVPATH=/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw2/fw2.0/sound/card3/controlC3
MAJOR=116
MINOR=15
DEVNAME=/dev/snd/controlC3
SUBSYSTEM=sound
ID_PATH=pci-0000:10:02.0
ID_PATH_TAG=pci-0000_10_02_0
DEVLINKS=/dev/snd/by-path/pci-0000:10:02.0
TAGS=:uaccess:
[hack@precision ~]$ udevadm info --attribute-walk --name=/dev/snd/controlC3

Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.

  looking at device '/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw2/fw2.0/sound/card3/controlC3':
    KERNEL=="controlC3"
    SUBSYSTEM=="sound"
    DRIVER==""

  looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw2/fw2.0/sound/card3':
    KERNELS=="card3"
    SUBSYSTEMS=="sound"
    DRIVERS==""
    ATTRS{id}=="FireWave"
    ATTRS{number}=="3"

  looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw2/fw2.0':
    KERNELS=="fw2.0"
    SUBSYSTEMS=="firewire"
    DRIVERS=="snd_firewire_speakers"
    ATTRS{rom_index}=="12"
    ATTRS{specifier_id}=="0x00a02d"
    ATTRS{version}=="0x010001"
    ATTRS{model}=="0x00f970"
    ATTRS{model_name}=="Griffin FireWave Surround"

  looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw2':
    KERNELS=="fw2"
    SUBSYSTEMS=="firewire"
    DRIVERS==""
    ATTRS{guid}=="0x0012920600520481"
    ATTRS{units}=="0x00a02d:0x010001"
    ATTRS{vendor}=="0x001292"
    ATTRS{model}=="0x00f970"
    ATTRS{vendor_name}=="Griffin Technology"
    ATTRS{model_name}=="FireWave"

  looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:10:02.0':
    KERNELS=="0000:10:02.0"
    SUBSYSTEMS=="pci"
    DRIVERS=="firewire_ohci"
    ATTRS{vendor}=="0x104c"
    ATTRS{device}=="0x8023"
    ATTRS{subsystem_vendor}=="0x103c"
    ATTRS{subsystem_device}=="0x12f1"
    ATTRS{class}=="0x0c0010"
    ATTRS{irq}=="16"
    ATTRS{local_cpus}=="00000000,00000000,00000000,00000000,00000000,00000000,00000000,0000000f"
    ATTRS{local_cpulist}=="0-3"
    ATTRS{numa_node}=="-1"
    ATTRS{dma_mask_bits}=="32"
    ATTRS{consistent_dma_mask_bits}=="32"
    ATTRS{broken_parity_status}=="0"
    ATTRS{msi_bus}==""

  looking at parent device '/devices/pci0000:00/0000:00:1e.0':
    KERNELS=="0000:00:1e.0"
    SUBSYSTEMS=="pci"
    DRIVERS==""
    ATTRS{vendor}=="0x8086"
    ATTRS{device}=="0x244e"
    ATTRS{subsystem_vendor}=="0x0000"
    ATTRS{subsystem_device}=="0x0000"
    ATTRS{class}=="0x060400"
    ATTRS{irq}=="0"
    ATTRS{local_cpus}=="00000000,00000000,00000000,00000000,00000000,00000000,00000000,0000000f"
    ATTRS{local_cpulist}=="0-3"
    ATTRS{numa_node}=="-1"
    ATTRS{dma_mask_bits}=="32"
    ATTRS{consistent_dma_mask_bits}=="32"
    ATTRS{broken_parity_status}=="0"
    ATTRS{msi_bus}=="1"

  looking at parent device '/devices/pci0000:00':
    KERNELS=="pci0000:00"
    SUBSYSTEMS==""
    DRIVERS==""

[hack@precision ~]$ udevadm info --query=property --path=/sys/class/sound/card3
UDEV_LOG=3
DEVPATH=/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw2/fw2.0/sound/card3
SUBSYSTEM=sound
ID_PATH=pci-0000:10:02.0
ID_PATH_TAG=pci-0000_10_02_0
ID_FOR_SEAT=sound-pci-0000_10_02_0
SOUND_INITIALIZED=1
ID_VENDOR_FROM_DATABASE=Texas Instruments
ID_MODEL_FROM_DATABASE=TSB43AB22A IEEE-1394a-2000 Controller (PHY/Link) [iOHCI-Lynx]
ID_BUS=pci
ID_VENDOR_ID=0x104c
ID_MODEL_ID=0x8023
SYSTEMD_WANTS=sound.target
TAGS=:seat:systemd:
[hack@precision ~]$

Created attachment 571219 [details]
read firewire device descriptions

A bit of guessing around might be needed. :)

Can you add the content of the patch to the rules file in:
  /lib/udev/rules.d/78-sound-card.rules

and run:
  udevadm trigger

and check the udev properties with:
  udevadm info --query=property --path=/sys/class/sound/card0

?

This is progress, but still not completely working.  I think we need to modify /lib/udev/path_id to understand firewire devices as well.  With the rules change applied (I had to hand-add it because it did not apply cleanly to my F-16 rules file), I get

[hack@precision ~]$ udevadm info --query=property --path=/sys/class/sound/card3
UDEV_LOG=3
DEVPATH=/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw2/fw2.0/sound/card3
SUBSYSTEM=sound
ID_PATH=pci-0000:10:02.0
ID_PATH_TAG=pci-0000_10_02_0
ID_FOR_SEAT=sound-pci-0000_10_02_0
SOUND_INITIALIZED=1
ID_BUS=firewire
ID_VENDOR=Griffin Technology
ID_MODEL=FireWave
SYSTEMD_WANTS=sound.target
TAGS=:seat:systemd:

and

[hack@precision ~]$ udevadm info --query=property --path=/sys/class/sound/card2
UDEV_LOG=3
DEVPATH=/devices/pci0000:00/0000:00:1e.0/0000:10:02.0/fw1/fw1.1/sound/card2
SUBSYSTEM=sound
ID_PATH=pci-0000:10:02.0
ID_PATH_TAG=pci-0000_10_02_0
ID_FOR_SEAT=sound-pci-0000_10_02_0
SOUND_INITIALIZED=1
ID_BUS=firewire
ID_VENDOR=Apple Computer, Inc.
ID_MODEL=iSight
SYSTEMD_WANTS=sound.target
TAGS=:seat:systemd:

But they still have identical ID_PATH entries, which appears to confuse PulseAudio.

Nice, the descriptions look great now. Committed to upstream udev.

Not sure if PA really use ID_PATH and how. I'll ask Lennart ...

Can you try adding that:
  SUBSYSTEMS=="firewire", ATTRS{guid}=="?*", ENV{ID_ID}="firewire-$attr{guid}"
to:
  78-sound-card.rules
just before the:
  SUBSYSTEMS=="firewire", GOTO="skip_pci"
?

That did the trick.  Now both the iSight and the FireWave show up as separate devices in pavucontrol.

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