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Subject: media: rc: increase rc-mm tolerance and add debug message
Author: Sean Young <s...@mess.org>
Date: Fri Aug 23 08:28:02 2019 -0300
Decoding often fails on e.g. redrat3 devices. The dev_dbg() helps
with debugging when decoding does fail.
Cc: Patrick Lerda <patrick9...@free.fr>
Signed-off-by: Sean Young <s...@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+sams...@kernel.org>
drivers/media/rc/ir-rcmm-decoder.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/drivers/media/rc/ir-rcmm-decoder.c
b/drivers/media/rc/ir-rcmm-decoder.c
index 64fb65a9a19f..028df5cb1828 100644
--- a/drivers/media/rc/ir-rcmm-decoder.c
+++ b/drivers/media/rc/ir-rcmm-decoder.c
@@ -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;
}
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