media: rc: increase rc-mm tolerance and add debug message

Decoding often fails on e.g. redrat3 devices. The dev_dbg() helps
with debugging when decoding does fail.

Cc: Patrick Lerda <patrick9876@free.fr>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Sean Young 2019-08-23 08:28:02 -03:00 committed by Mauro Carvalho Chehab
parent ce819649b0
commit 81bab3fa6c

View file

@ -79,7 +79,7 @@ static int ir_rcmm_decode(struct rc_dev *dev, struct ir_raw_event ev)
if (!ev.pulse)
break;
if (!eq_margin(ev.duration, RCMM_PREFIX_PULSE, RCMM_UNIT / 2))
if (!eq_margin(ev.duration, RCMM_PREFIX_PULSE, RCMM_UNIT))
break;
data->state = STATE_LOW;
@ -91,7 +91,7 @@ static int ir_rcmm_decode(struct rc_dev *dev, struct ir_raw_event ev)
if (ev.pulse)
break;
if (!eq_margin(ev.duration, RCMM_PULSE_0, RCMM_UNIT / 2))
if (!eq_margin(ev.duration, RCMM_PULSE_0, RCMM_UNIT))
break;
data->state = STATE_BUMP;
@ -164,6 +164,8 @@ static int ir_rcmm_decode(struct rc_dev *dev, struct ir_raw_event ev)
break;
}
dev_dbg(&dev->dev, "RC-MM decode failed at count %d state %d (%uus %s)\n",
data->count, data->state, TO_US(ev.duration), TO_STR(ev.pulse));
data->state = STATE_INACTIVE;
return -EINVAL;
}