From: Sean Young Date: Sun, 17 Oct 2021 12:01:15 +0000 (+0100) Subject: media: ite-cir: IR receiver stop working after receive overflow X-Git-Tag: v6.6.17~8751^2~26 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fdc881783099c6343921ff017450831c8766d12a;p=platform%2Fkernel%2Flinux-rpi.git media: ite-cir: IR receiver stop working after receive overflow On an Intel NUC6iSYK, no IR is reported after a receive overflow. When a receiver overflow occurs, this condition is only cleared by reading the fifo. Make sure we read anything in the fifo. Fixes: 28c7afb07ccf ("media: ite-cir: check for receive overflow") Suggested-by: Bryan Pass Tested-by: Bryan Pass Cc: stable@vger.kernel.org> Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c index 5bc23e8..4f77d4e 100644 --- a/drivers/media/rc/ite-cir.c +++ b/drivers/media/rc/ite-cir.c @@ -242,7 +242,7 @@ static irqreturn_t ite_cir_isr(int irq, void *data) } /* check for the receive interrupt */ - if (iflags & ITE_IRQ_RX_FIFO) { + if (iflags & (ITE_IRQ_RX_FIFO | ITE_IRQ_RX_FIFO_OVERRUN)) { /* read the FIFO bytes */ rx_bytes = dev->params->get_rx_bytes(dev, rx_buf, ITE_RX_FIFO_LEN);