On Wed, Jan 18, 2012 at 11:48:58AM +0100, Wolfram Sang wrote: > + /* Switch on PLL */ > + snd_soc_update_bits(codec, AIC32X4_PLLPR, > + AIC32X4_PLLEN, AIC32X4_PLLEN); Looking at this code it looks a lot like these ought to be supplies, not that that needs to be fixed right now.