CS8415_CTRL1
ucontrol->value.integer.value[0] = (aureon_cs8415_get(ice, CS8415_CTRL1) & 0x20) ? 0 : 1;
oval = aureon_cs8415_get(ice, CS8415_CTRL1);
aureon_cs8415_put(ice, CS8415_CTRL1, nval);