wm831x_irq_init  1788 drivers/mfd/wm831x-core.c 	ret = wm831x_irq_init(wm831x, irq);
wm831x_irq_init   418 include/linux/mfd/wm831x/core.h int wm831x_irq_init(struct wm831x *wm831x, int irq);