[alsa-devel] asoc: s3c24xx+uda1380 - some questions
broonie at sirena.org.uk
Tue Jan 27 16:25:57 CET 2009
On Tue, Jan 27, 2009 at 05:19:53PM +0200, Vasily Khoruzhick wrote:
> Uh-oh, I didn't thought that it will be so complicated to decide when turn one
> gpio line to 0 or 1 :) Btw, I'm thinking about using own write- and read-
> wrappers for uda1380, in this way I can check on each read/write whether
> codec power is enabled.
Are you really cutting all power to the codec or just the analogue
supplies? Normally the digital is powered off a separate supply shared
with other bits of the system.
> > That sounds like something in the teardown path should be done on
> > startup as well. Can't think of any obvious gotchas there, though I'd
> > be looking at the codec and machine drivers since the CPU driver for the
> > S3C24xx is used in quite a few designs.
> Sorry, but what is "teardown path"?
When playback is stopped.
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