From 81bab3fa6ca857b4d3af729f931e57e6bdc60186 Mon Sep 17 00:00:00 2001
From: Sean Young <sean@mess.org>
Date: Fri, 23 Aug 2019 08:28:02 -0300
Subject: [PATCH] media: rc: increase rc-mm tolerance and add debug message
Git-commit: 81bab3fa6ca857b4d3af729f931e57e6bdc60186
References: git-fixes
Patch-mainline: v5.5-rc1
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>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
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;
}
--
2.35.3