linux-wandboard

ASoC: Refcount WM8996 bandgap from FLL too

For digital only paths we need to make sure the bandgap is enabled prior
to starting the FLL which isn't tied into DAPM.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>