On Mon, Mar 05, 2012 at 03:55:10PM +0000, Liam Girdwood wrote:

> PCM ops and DAPM don't fight with each other, there is a dependency with
> the snd_card->control_rwsem. The calling ordering is different for init
> that it is for kcontrol updates that causes the warning below :-

control_rwsem isn't in mainline...