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[David Henningsson <1381475@xxxxxxxxxxxxxxxxxx>]

What happens is the following:

Gnome settings' UI shows device.description by default. This value is
taken from udev, key ID_MODEL_FROM_DATABASE. The firewire udev device
does not set this value, so it falls back looking for the parent device.
The parent device, the controller has an ID_MODEL_FROM_DATABASE set,
which in my case is "Motherboard". So the firewire card ends up with the
name "Motherboard".

The ID_MODEL_FROM_DATABASE is probably set (for the firewire controller)
by udev/systemd, see the "hwdb" directory of systemd sources.

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https://bugs.launchpad.net/bugs/1381475

Title:
  Firewire sound card registered by the name of the fw controller

Status in “pulseaudio” package in Ubuntu:
  Triaged

Bug description:
  I am testing the new snd-firewire ALSA module which is currently getting accepted into the kernel.
  I have noticed that while ALSA recognizes the correct name for the card, PulseAudio displays another, wrong name, which is apparently the name of the FireWire controller through which the sound card is connected.

  $ aplay -l
  **** List of PLAYBACK Hardware Devices ****
  card 0: FW [PHASE 88 Rack FW], device 0: BeBoB [PHASE 88 Rack FW PCM]
    Subdevices: 1/1
    Subdevice #0: subdevice #0

  $ pacmd list-sinks
  Welcome to PulseAudio! Use "help" for usage information.
  >>> 4 sink(s) available.
      [...]
      index: 2
  	name: <alsa_output.firewire-0x000aac0300592827.10-channels>
  	driver: <module-alsa-card.c>
  	flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
  	state: SUSPENDED
  	suspend cause: IDLE 
  	priority: 9000
  	volume: 0: 100% 1: 100% 2: 100% 3: 100% 4: 100% 5: 100% 6: 100% 7: 100% 8: 100% 9: 100%
  	        0: 0,00 dB 1: 0,00 dB 2: 0,00 dB 3: 0,00 dB 4: 0,00 dB 5: 0,00 dB 6: 0,00 dB 7: 0,00 dB 8: 0,00 dB 9: 0,00 dB
  	        balance 0,00
  	base volume: 100%
  	             0,00 dB
  	volume steps: 65537
  	muted: no
  	current latency: 0,00 ms
  	max request: 0 KiB
  	max rewind: 0 KiB
  	monitor source: 5
  	sample spec: s16le 10ch 44100Hz
  	channel map: front-left,front-right,rear-left,rear-right,front-center,lfe,side-left,side-right,aux0,aux1
  	used by: 0
  	linked by: 0
  	configured latency: 0,00 ms; range is 0,50 .. 185,76 ms
  	card: 3 <alsa_card.firewire-0x000aac0300592827>
  	module: 8
  	properties:
  		alsa.resolution_bits = "16"
  		device.api = "alsa"
  		device.class = "sound"
  		alsa.class = "generic"
  		alsa.subclass = "generic-mix"
  		alsa.name = "PHASE 88 Rack FW PCM"
  		alsa.id = "BeBoB"
  		alsa.subdevice = "0"
  		alsa.subdevice_name = "subdevice #0"
  		alsa.device = "0"
  		alsa.card = "0"
  		alsa.card_name = "PHASE 88 Rack FW"
  		alsa.long_card_name = "TerraTec Electronic Gmb PHASE 88 Rack FW (id:3, rev:1), GUID 000aac0300592827 a"
  		alsa.driver_name = "snd_bebob"
  		device.bus_path = "pci-0000:01:09.0"
  		sysfs.path = "/devices/pci0000:00/0000:00:09.0/0000:01:09.0/fw2/fw2.0/sound/card0"
  		udev.id = "firewire-0x000aac0300592827"
  		device.bus = "firewire"
  		device.vendor.name = "Texas Instruments"
  		device.product.name = "TSB43AB22A IEEE-1394a-2000 Controller (PHY/Link) [iOHCI-Lynx]"
  		device.string = "hw:0"
  		device.buffering.buffer_size = "163840"
  		device.buffering.fragment_size = "81920"
  		device.access_mode = "mmap+timer"
  		device.profile.name = "10-channels"
  		device.profile.description = "10 Channels"
  		device.description = "TSB43AB22A IEEE-1394a-2000 Controller (PHY/Link) [iOHCI-Lynx] 10 Channels"
  		alsa.mixer_name = "PHASE 88 Rack FW"
  		module-udev-detect.discovered = "1"
  		device.icon_name = "audio-card-firewire"

  
  PulseAudio 1:4.0-0ubuntu11

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