[media] tm6000: Use a 16 scancode bitmask for IR

This should allow using 24 or 32 bits NEC IR decoding tables with
those devices.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/tm6000/tm6000-input.c

@@ -416,6 +416,8 @@ int tm6000_ir_init(struct tm6000_core *dev)
 
 	/* input setup */
 	rc->allowed_protos = RC_TYPE_RC5 | RC_TYPE_NEC;
+	/* Neded, in order to support NEC remotes with 24 or 32 bits */
+	rc->scanmask = 0xffff;
 	rc->priv = ir;
 	rc->change_protocol = tm6000_ir_change_protocol;
 	if (&dev->int_in) {