https://bugs.freedesktop.org/show_bug.cgi?id=32406

--- Comment #5 from James <[email protected]> 2010-12-17 15:00:58 PST ---
Further investigation has found the following:
1) The nouveau driver sets the correct gpio pins and the ALSA audio driver can
see them set.
2) The hotplug event only happens when the state of the gpio pins changes.
3) The ALSA driver creates the hotplug event as a result of detecting the gpio
pins change.
4) nouveau modules seems to load before the alsa module, so the hotplug event
never gets created by the ALSA audio driver because it is not loaded.
5) If the nouveau driver is loaded after boot, the hotplug event is sent to
ALSA and it works fine.
6) If the ALSA driver is loaded after boot, it detects the gpio pins settings
and acts correctly and works fine.
7) The problem is only present if the nouveau and alsa module load at boot
time.
I am investingating (7) next.

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