ASoC: Only do WM8994 bias off transition from standby

Otherwise we may try to power down multiple times when the using
idle bias off and the driver is removed.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2010-03-30 14:29:14 +01:00
commit d522ffbfb9