diff options
| -rw-r--r-- | drivers/media/usb/uvc/uvc_video.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index d2fe01bcd209..a260e9868e8b 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -117,8 +117,12 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 unit, error = *(u8 *)data; *(u8 *)data = tmp; - if (ret != 1) + if (ret != 1) { + dev_err_ratelimited(&dev->udev->dev, + "Failed to query (%s) UVC error code control %u on unit %u: %d (exp. 1).\n", + uvc_query_name(query), cs, unit, ret); return ret < 0 ? ret : -EPIPE; + } uvc_dbg(dev, CONTROL, "Control error %u\n", error); |