media: sunxi-cir: ensure IR is handled when it is continuous
commit 3f56df4c8f
upstream.
If a user holds a button down on a remote, then no ir idle interrupt will
be generated until the user releases the button, depending on how quickly
the remote repeats. No IR is processed until that point, which means that
holding down a button may not do anything.
This also resolves an issue on a Cubieboard 1 where the IR receiver is
picking up ambient infrared as IR and spews out endless
"rc rc0: IR event FIFO is full!" messages unless you choose to live in
the dark.
Cc: stable@vger.kernel.org
Tested-by: Hans Verkuil <hverkuil@xs4all.nl>
Acked-by: Maxime Ripard <mripard@kernel.org>
Reported-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
parent
124dc7d4f4
commit
0bfbb8393e
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@ -137,6 +137,8 @@ static irqreturn_t sunxi_ir_irq(int irqno, void *dev_id)
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} else if (status & REG_RXSTA_RPE) {
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ir_raw_event_set_idle(ir->rc, true);
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ir_raw_event_handle(ir->rc);
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} else {
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ir_raw_event_handle(ir->rc);
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}
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spin_unlock(&ir->ir_lock);
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