WM9713_POLL
wm97xx_reg_write(wm, AC97_WM9713_DIG1, dig1 | WM9713_POLL);
while ((wm97xx_reg_read(wm, AC97_WM9713_DIG1) & WM9713_POLL) &&
dig1 | WM9713_POLL | WM9713_COO);
while ((wm97xx_reg_read(wm, AC97_WM9713_DIG1) & WM9713_POLL)