output_switch_get
return hw->output_switch_get(hw);
.output_switch_get = atc_output_switch_get,
int (*output_switch_get)(struct ct_atc *atc);
int (*output_switch_get)(struct hw *hw);
.output_switch_get = hw_output_switch_get,
ucontrol->value.enumerated.item[0] = atc->output_switch_get(atc);
.get = output_switch_get,