[alsa-devel] [PATCH] ASoC: ak4642: Add ak4642_fill_cache function

[Liam Girdwood]

On Fri, 2010-06-25 at 16:54 +0900, Kuninori Morimoto wrote:
> ak4642 driver is used for ak4642/ak4643.
> So, reading real register value is better than using constant value.
> 

To be honest, this is only really useful when the codec has some
volatile registers.  Forcing I2C reads for all IO will just slow down
the driver. 

Does this codec have volatile registers ?

Thanks

Liam
-- 
Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.
http://www.slimlogic.co.uk