AC97_WM9713_DIG2
wm97xx_reg_write(wm, AC97_WM9713_DIG2, dig2);
wm97xx_reg_write(wm, AC97_WM9713_DIG2, wm->dig_save[1]);
wm97xx_reg_write(wm, AC97_WM9713_DIG2, 0);
wm97xx_reg_write(wm, AC97_WM9713_DIG2, dig2);
wm97xx_reg_write(wm, AC97_WM9713_DIG2, wm->dig[1]);