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USB-Audio: Blacklist iec958 for some USB devices

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Some common USB devices are analog only, so prevent the digital
devices from being opened. This simplifies probing the device
in PulseAudio.

I have a "Logitech USB Headset" myself, the "Logitech Web Camera"
was reported by Raymond Yau, and the "Blue Snowball" was reported by
Andy Whitcroft.

Cc: Andy Whitcroft <andy.whitcroft@canonical.com>
Cc: Raymond Yau <superquad.vortex2@gmail.com>
BugLink: https://bugs.launchpad.net/bugs/940145
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
David Henningsson 2012-03-09 11:46:06 +01:00 • committed by Takashi Iwai
parent 65298d98f3
commit 1a9627dfe7
1 changed files with 5 additions and 0 deletions
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5
src/conf/cards/USB-Audio.conf
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@ -36,6 +36,11 @@ USB-Audio.pcm.surround40_type {
# number for the iec958 device can be changed here. # number for the iec958 device can be changed here.
USB-Audio.pcm.iec958_device { USB-Audio.pcm.iec958_device {
# "NoiseBlaster 3000" 42 # "NoiseBlaster 3000" 42
# The below don't have digital in/out, so prevent them from being opened.
"Logitech USB Headset" 999
"Logitech Web Camera" 999
"Blue Snowball" 999
} }