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V4L/DVB: IR: JVC: make repeat work

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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>
This commit is contained in:
Maxim Levitsky 2010-07-31 11:59:18 -03:00 committed by Mauro Carvalho Chehab
parent 0d2cb1de8e
commit 39b2c0687b
1 changed files with 13 additions and 1 deletions
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14
drivers/media/IR/ir-jvc-decoder.c
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@ -32,6 +32,7 @@ enum jvc_state {
STATE_BIT_SPACE, STATE_BIT_SPACE,
STATE_TRAILER_PULSE, STATE_TRAILER_PULSE,
STATE_TRAILER_SPACE, 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", IR_dprintk(2, "JVC decode started at state %d (%uus %s)\n",
data->state, TO_US(ev.duration), TO_STR(ev.pulse)); data->state, TO_US(ev.duration), TO_STR(ev.pulse));
again:
switch (data->state) { switch (data->state) {
case STATE_INACTIVE: 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->count = 0;
data->state = STATE_BIT_PULSE; data->state = STATE_CHECK_REPEAT;
return 0; 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: out: