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authorMaxim Levitsky <maximlevitsky@gmail.com>2010-07-31 11:59:18 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-08-08 23:42:59 -0300
commit39b2c0687b238d8bce19d5e8c0c8dc4e7fe50ed4 (patch)
treef2309da376fbb73480bfb7407156f41682cb80e3
parent0d2cb1de8e81ffc06df67853be5ead3556d3a6b5 (diff)
V4L/DVB: IR: JVC: make repeat work
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> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/IR/ir-jvc-decoder.c14
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 8894d8b36048..77a89c4de014 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: