diff options
| -rw-r--r-- | drivers/input/touchscreen/usbtouchscreen.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index 397cb1d3f481..c847453a03c2 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -1044,6 +1044,7 @@ static void nexio_exit(struct usbtouch_usb *usbtouch) static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt) { + struct device *dev = &usbtouch->interface->dev; struct nexio_touch_packet *packet = (void *) pkt; struct nexio_priv *priv = usbtouch->priv; unsigned int data_len = be16_to_cpu(packet->data_len); @@ -1062,6 +1063,8 @@ static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt) /* send ACK */ ret = usb_submit_urb(priv->ack, GFP_ATOMIC); + if (ret) + dev_warn(dev, "Failed to submit ACK URB: %d\n", ret); if (!usbtouch->type->max_xc) { usbtouch->type->max_xc = 2 * x_len; |