On Fri, Mar 14, 2014 at 09:38:20AM +0000, Bard Liao wrote:

> What's your suggestion of the I/O part of rt286 codec driver?
> Can I keep using regmap without using its cache?
> Or it is better not using regmap in this driver?

I think we need to understand what the code is actually trying to do -
I'm intending to go through the driver today or before the weekend but
from the quick look at the I/O code I'm just really confused about what
is supposed to be happening.  I'll try to follow up before Monday.