Locks are per output not per input.

cmd.c

@@ -251,7 +251,7 @@ bool parse_command(struct videohub_data *data, char *cmd) {
 
 		case CMD_VIDEO_OUTPUT_LOCKS:
 			if (valid_slot)
-				data->inputs[slot_pos].locked = slot_data[0] == 'L' ? true : false;
+				data->outputs[slot_pos].locked = slot_data[0] == 'L' ? true : false;
 			break;
 
 		case CMD_VIDEO_OUTPUT_ROUTING:

data.h

@@ -33,12 +33,12 @@ struct device_desc {
 
 struct input_desc {
 	char			name[MAX_NAME_LEN];
-	bool			locked;
 };
 
 struct output_desc {
 	char			name[MAX_NAME_LEN];
 	unsigned int	routed_to;
+	bool			locked;
 };
 
 struct videohub_data {

videohubctrl.c

@@ -143,7 +143,7 @@ static void print_device_settings(struct videohub_data *d) {
 	for(i = 0; i < d->device.num_video_inputs; i++) {
 		printf("| %2d | %c | %-27s | %-27s |\n",
 			i + 1,
-			d->inputs[i].locked ? 'L' : ' ',
+			d->outputs[i].locked ? 'L' : ' ',
 			d->inputs[d->outputs[i].routed_to].name,
 			d->outputs[i].name
 		);