/* wm97xx IO access, all IO locking done by AC97 layer  */
int wm97xx_reg_read(struct wm97xx *wm, u16 reg)
/* wm97xx IO access, all IO locking done by AC97 layer  */
int wm97xx_reg_read(struct wm97xx *wm, u16 reg)
{
	if (wm->ac97)
		return wm->ac97->bus->ops->read(wm->ac97, reg);
	else
		return -1;
}