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media: rc: mceusb: IR of length 0 means IR timeout, not reset
authorSean Young <sean@mess.org>
Wed, 18 Apr 2018 09:36:25 +0000 (05:36 -0400)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Fri, 20 Apr 2018 13:21:47 +0000 (09:21 -0400)
The last usb packet with IR data will end with 0x80 (MCE_IRDATA_TRAILER).
If we reset the decoder state at this point, IR decoding can fail.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/rc/mceusb.c

index 69ba573..a1c2190 100644 (file)
@@ -1182,7 +1182,12 @@ static void mceusb_process_ir_data(struct mceusb_dev *ir, int buf_len)
                        if (ir->rem) {
                                ir->parser_state = PARSE_IRDATA;
                        } else {
-                               ir_raw_event_reset(ir->rc);
+                               init_ir_raw_event(&rawir);
+                               rawir.timeout = 1;
+                               rawir.duration = ir->rc->timeout;
+                               if (ir_raw_event_store_with_filter(ir->rc,
+                                                                  &rawir))
+                                       event = true;
                                ir->pulse_tunit = 0;
                                ir->pulse_count = 0;
                        }