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media: rc: drivers should produce alternate pulse and space timing events

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Report an error if this is not the case or any problem with the generated
raw events.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Sean Young 2018-05-10 06:11:47 -04:00 committed by Mauro Carvalho Chehab
parent e0d51e6cef
commit 48231f289e
1 changed files with 15 additions and 4 deletions
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19
drivers/media/rc/rc-ir-raw.c
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@ -22,16 +22,27 @@ static int ir_raw_event_thread(void *data)
{
struct ir_raw_event ev;
struct ir_raw_handler *handler;
struct ir_raw_event_ctrl *raw = (struct ir_raw_event_ctrl *)data;
struct ir_raw_event_ctrl *raw = data;
struct rc_dev *dev = raw->dev;
while (1) {
mutex_lock(&ir_raw_handler_lock);
while (kfifo_out(&raw->kfifo, &ev, 1)) {
if (is_timing_event(ev)) {
if (ev.duration == 0)
dev_err(&dev->dev, "nonsensical timing event of duration 0");
if (is_timing_event(raw->prev_ev) &&
!is_transition(&ev, &raw->prev_ev))
dev_err(&dev->dev, "two consecutive events of type %s",
TO_STR(ev.pulse));
if (raw->prev_ev.reset && ev.pulse == 0)
dev_err(&dev->dev, "timing event after reset should be pulse");
}
list_for_each_entry(handler, &ir_raw_handler_list, list)
if (raw->dev->enabled_protocols &
if (dev->enabled_protocols &
handler->protocols || !handler->protocols)
handler->decode(raw->dev, ev);
ir_lirc_raw_event(raw->dev, ev);
handler->decode(dev, ev);
ir_lirc_raw_event(dev, ev);
raw->prev_ev = ev;
}
mutex_unlock(&ir_raw_handler_lock);