Re: [PATCH 1/2] media: sunxi-cir: ensure IR is handled when it is continuous

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On 10/11/2020 10:15, Sean Young wrote:
> 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@xxxxxxxxxxxxxxx
> Reported-by: Hans Verkuil <hverkuil@xxxxxxxxx>
> Signed-off-by: Sean Young <sean@xxxxxxxx>

Tested-by: Hans Verkuil <hverkuil@xxxxxxxxx>

Nice! No more spam in the kernel log for my Cubieboard 1!

Thank you,

	Hans

> ---
>  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 ddee6ee37bab1..4afc5895bee74 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);
> 




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