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media: lirc: always send timeout reports

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Without timeout reports, it is impossible to decode many protocols since
it is not known when the transmission ends. timeout reports are sent by
default, but can be turned off. There is no reason to turn them off, and
I cannot find any software which does this, so we can safely remove it.

This makes the ioctl LIRC_SET_REC_TIMEOUT_REPORTS a no-op.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Sean Young
2021-11-27 12:46:58 +01:00
committed by Mauro Carvalho Chehab
parent 9b4d7b5c81
commit 74747dda58
6 changed files with 5 additions and 62 deletions
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5
drivers/media/rc/lirc_dev.c
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@@ -102,8 +102,6 @@ void lirc_raw_event(struct rc_dev *dev, struct ir_raw_event ev)
spin_lock_irqsave(&dev->lirc_fh_lock, flags);
list_for_each_entry(fh, &dev->lirc_fh, list) {
if (LIRC_IS_TIMEOUT(sample) && !fh->send_timeout_reports)
continue;
if (kfifo_put(&fh->rawir, sample))
wake_up_poll(&fh->wait_poll, EPOLLIN | EPOLLRDNORM);
}
@@ -166,7 +164,6 @@ static int lirc_open(struct inode *inode, struct file *file)
fh->send_mode = LIRC_MODE_PULSE;
fh->rc = dev;
fh->send_timeout_reports = true;
if (dev->driver_type == RC_DRIVER_SCANCODE)
fh->rec_mode = LIRC_MODE_SCANCODE;
@@ -570,8 +567,6 @@ static long lirc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case LIRC_SET_REC_TIMEOUT_REPORTS:
if (dev->driver_type != RC_DRIVER_IR_RAW)
ret = -ENOTTY;
else
fh->send_timeout_reports = !!val;
break;
default: