tree cef536f517a54d24a637c2734d24c8795be5eaf2
parent 6c1a7d40c2237ff7690ca682336e22777c847ffe
author Jarkko Nikula <jhnikula@gmail.com> 1284968353 +0300
committer Liam Girdwood <lrg@slimlogic.co.uk> 1285004447 +0100

ASoC: tlv320aic3x: Use regulator notifiers for optimizing the cache sync

There is no need to reset the codec and perform cache sync if none of the
supply regulators were not disabled. Patch registers a notifier callback for
each supply and callback then sets a flag to indicate when cache sync is
required.

HW writes are also needless when codec bias is off so cache_only flag is set
independently of actual supply regulators state.

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>