@paul: according to http://ubuntuforums.org/showthread.php?t=1268856
your card's subsystem device id is 0xd634, so you need to:
- Make sure you entirely remove any leftovers from previous attempts to
fix the problem.
- Create a file /etc/udev/rules.d/ice1712-pulseaudio-workaround.rules
with the following contents:
---
SUBSYSTEM!="sound", GOTO="ice1712_end"
ACTION!="change", GOTO="ice1712_end"
KERNEL!="card*", GOTO="ice1712_end"
SUBSYSTEMS=="pci", ATTRS{vendor}=="0x1412", ATTRS{device}=="0x1712",
ATTRS{subsystem_vendor}=="0x1412", ATTRS{subsystem_device}=="0xd634",
ENV{PULSE_PROFILE_SET}="via-ice1712.conf"
LABEL="ice1712_end"
---
- Create a file /usr/share/pulseaudio/alsa-mixer/profile-sets/via-
ice1712.conf whose contents should be those of
http://launchpadlibrarian.net/34620379/via-ice1712.conf, or those of the
second "code" block in
http://ubuntuforums.org/showpost.php?p=7965283&postcount=4.
- I think you should be able to run "pulseaudio --kill && pulseaudio
--start" and have it working on the spot, but if not, try rebooting.
--
Pulseaudio fails to initialize ICE1712 chipsets
https://bugs.launchpad.net/bugs/178442
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