ICE1712_IREG_CAP_CTRL
tmp = snd_ice1712_read(ice, ICE1712_IREG_CAP_CTRL);
snd_ice1712_write(ice, ICE1712_IREG_CAP_CTRL, tmp);
snd_ice1712_write(ice, ICE1712_IREG_CAP_CTRL, tmp);
if (!(snd_ice1712_read(ice, ICE1712_IREG_CAP_CTRL) & 1))