MAX_HDMI_INPUTS
u8 hdmi_index_to_input_index[MAX_HDMI_INPUTS];
struct v4l2_ctrl *ctrl_hdmi_to_output[MAX_HDMI_INPUTS];
char ctrl_hdmi_to_output_names[MAX_HDMI_INPUTS][32];
WARN_ON(dev->num_hdmi_inputs > MAX_HDMI_INPUTS);