From 81bab3fa6ca857b4d3af729f931e57e6bdc60186 Mon Sep 17 00:00:00 2001 From: Sean Young Date: Fri, 23 Aug 2019 08:28:02 -0300 Subject: 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 Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab --- drivers/media/rc/ir-rcmm-decoder.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/media/rc/ir-rcmm-decoder.c') 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; } -- cgit v1.2.3