media: rc: add new imon protocol decoder and encoder

This makes it possible to use the various iMON remotes with any raw IR
RC device.

Signed-off-by: Sean Young <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

include/uapi/linux/lirc.h

@@ -186,6 +186,7 @@ struct lirc_scancode {
  * @RC_PROTO_SHARP: Sharp protocol
  * @RC_PROTO_XMP: XMP protocol
  * @RC_PROTO_CEC: CEC protocol
+ * @RC_PROTO_IMON: iMon Pad protocol
  */
 enum rc_proto {
 	RC_PROTO_UNKNOWN	= 0,
@@ -211,6 +212,7 @@ enum rc_proto {
 	RC_PROTO_SHARP		= 20,
 	RC_PROTO_XMP		= 21,
 	RC_PROTO_CEC		= 22,
+	RC_PROTO_IMON		= 23,
 };
 
 #endif