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media: rc: mceusb: IR of length 0 means IR timeout, not reset 

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>
This commit is contained in:
Sean Young 2018-04-18 05:36:25 -04:00 committed by Mauro Carvalho Chehab
parent 53a62800ef
commit 91352b5727
1 changed files with 6 additions and 1 deletions
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7
drivers/media/rc/mceusb.c
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@ -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;
}