[ALSA] ASoC: Fix WM9712 mixer_event DAPM widget function type

Add kcontrol argument to function since the API was changed by the commit
9af6d9562414568ecadf96aaef5b88e7e8b19821.

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
1 file changed