andy git 06/15 suspend/resume observations

[Joerg Reisenweber]

Am Mo  16. Juni 2008 schrieb Andy Green:
> Since nothing can write the registers without going through the driver
> to do it, 
Well then it's ok. I had the idea your /dev/* direct register access might be 
bypassing it. OTOH for debug purposes, it might be a good idea to bypass the 
buffer for *reads* via register-device. In the end there might be some 
registers that actually change value (DC D/A, JACK_INS etc). Though I guess 
those aren't buffered anyway, they aren't strictly ALSA related. ;-)

> the cache should be up to date very well, allowing for 
> catastrophes like power loss private to the codec not noticed by the driver.
> 
> -Andy
> 


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