[PATCH 05/13] IR: JVC: make repeat work

Maxim Levitsky
2010-07-30T02:17:46Z

Currently, jvc decoder will attempt misdetect next press as a repeat
of last keypress, therefore second keypress isn't detected.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
---
drivers/media/IR/ir-jvc-decoder.c | 14 +++++++++++++-
1 files changed, 13 insertions(+), 1 deletions(-)

diff --git a/drivers/media/IR/ir-jvc-decoder.c b/drivers/media/IR/ir-jvc-decoder.c
index 8894d8b..77a89c4 100644
--- a/drivers/media/IR/ir-jvc-decoder.c
+++ b/drivers/media/IR/ir-jvc-decoder.c
@@ -32,6 +32,7 @@ enum jvc_state {
STATE_BIT_SPACE,
STATE_TRAILER_PULSE,
STATE_TRAILER_SPACE,
+ STATE_CHECK_REPEAT,
};

/**
@@ -60,6 +61,7 @@ static int ir_jvc_decode(struct input_dev *input_dev, struct ir_raw_event ev)
IR_dprintk(2, "JVC decode started at state %d (%uus %s)\n",
data->state, TO_US(ev.duration), TO_STR(ev.pulse));

+again:
switch (data->state) {

case STATE_INACTIVE:
@@ -149,8 +151,18 @@ static int ir_jvc_decode(struct input_dev *input_dev, struct ir_raw_event ev)
}

data->count = 0;
- data->state = STATE_BIT_PULSE;
+ data->state = STATE_CHECK_REPEAT;
return 0;
+
+ case STATE_CHECK_REPEAT:
+ if (!ev.pulse)
+ break;
+
+ if (eq_margin(ev.duration, JVC_HEADER_PULSE, JVC_UNIT / 2))
+ data->state = STATE_INACTIVE;
+ else
+ data->state = STATE_BIT_PULSE;
+ goto again;
}

out:
--
1.7.0.4