On Mon, Jun 16, 2008 at 12:51:06PM +0200, Joerg Reisenweber wrote: > But shouldn't this be direct reads of the *real* registers, for we don't > use "2-wire"? Otherwise, i guess, ALSA has no idea of the changes that can be
You are using 2-wire mode, just under the name "I2C". > Anyway, I don't like this, caching of regs where you could read actual value > as well. The WM8753 does not support register readback at all. In any case, as Andy says I2C is slow so if the register cache was removed there would be a noticable performance impact on the system in use, especially when doing things like bringing up paths.
