linux-phytec-fsl

ASoC: wm8962: Hold a runtime PM reference while handling interrupts

If the device is runtime suspended then we can't interact with it as it
may have been powered off and the register map will be in cache only
mode.

Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>