Re: [alsa-devel] [PATCH 2/4] ASoC: cx20442: add bias control over aplatform provided regulator

From: Mark Brown
Date: Tue Dec 27 2011 - 12:26:07 EST

On Tue, Dec 27, 2011 at 03:16:08PM +0100, Janusz Krzysztofik wrote:
> On Monday 26 of December 2011 at 12:02:01, Mark Brown wrote:

> > which would look a lot more natural - you shouldn't need to remember if
> > the regulator is enabled, you should just turn it on in the STANDBY to
> > PREPARE transition and turn it off in the ON to PREPARE or PREPARE to
> > STANDBY transitions.

> Can I assume STANDBY or OFF at the time the codec .remove method is
> called? If not, is there a helper function available which can be called
> in order to perform all those ON -> PREPARE -> STANDBY [-> OFF] transitions before calling regulator_put()?

It'll be in STANDBY or OFF depending on if the device sets
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