HCI_REG_CX
val = aml_val2int(res.v_package[HCI_REG_CX]);
args[HCI_REG_CX].v_integer = *brightness;
*brightness = aml_val2int(res.v_package[HCI_REG_CX]);
*video_output = aml_val2int(res.v_package[HCI_REG_CX]);
args[HCI_REG_CX].v_integer = *video_output;