media: ite-cir: check for receive overflow

It's best if this condition is reported.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c
index 624ddcd..2e9a6ef 100644 (file)
--- a/drivers/media/rc/ite-cir.c
+++ b/drivers/media/rc/ite-cir.c
@@ -235,8 +235,14 @@ static irqreturn_t ite_cir_isr(int irq, void *data)
        /* read the interrupt flags */
        iflags = dev->params->get_irq_causes(dev);
 
+       /* Check for RX overflow */
+       if (iflags & ITE_IRQ_RX_FIFO_OVERRUN) {
+               dev_warn(&dev->rdev->dev, "receive overflow\n");
+               ir_raw_event_reset(dev->rdev);
+       }
+
        /* check for the receive interrupt */
-       if (iflags & (ITE_IRQ_RX_FIFO | ITE_IRQ_RX_FIFO_OVERRUN)) {
+       if (iflags & ITE_IRQ_RX_FIFO) {
                /* read the FIFO bytes */
                rx_bytes = dev->params->get_rx_bytes(dev, rx_buf,
                                                    ITE_RX_FIFO_LEN);