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Subject: media: sunxi-cir: ensure IR is handled when it is continuous Author: Sean Young sean@mess.org Date: Mon Nov 9 23:16:52 2020 +0100
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
drivers/media/rc/sunxi-cir.c | 2 ++ 1 file changed, 2 insertions(+)
---
diff --git a/drivers/media/rc/sunxi-cir.c b/drivers/media/rc/sunxi-cir.c index ddee6ee37bab..4afc5895bee7 100644 --- a/drivers/media/rc/sunxi-cir.c +++ b/drivers/media/rc/sunxi-cir.c @@ -137,6 +137,8 @@ static irqreturn_t sunxi_ir_irq(int irqno, void *dev_id) } else if (status & REG_RXSTA_RPE) { ir_raw_event_set_idle(ir->rc, true); ir_raw_event_handle(ir->rc); + } else { + ir_raw_event_handle(ir->rc); }
spin_unlock(&ir->ir_lock);