Hi Ricardo and Hans,
Thank you for the patch.
On Fri, Dec 02, 2022 at 06:21:36PM +0100, Ricardo Ribalda wrote:
> From: Hans Verkuil <hverkuil-cisco@xs4all.nl>
>
> If __uvc_query_ctrl() failed with a non-EPIPE error, then
> report that with dev_err. If an error code is obtained, then
> report that with dev_dbg.
The commit message should explain why this is desirable.
> Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
> ---
> drivers/media/usb/uvc/uvc_video.c | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
> index 170a008f4006..2cf7f692c0bb 100644
> --- a/drivers/media/usb/uvc/uvc_video.c
> +++ b/drivers/media/usb/uvc/uvc_video.c
> @@ -79,13 +79,14 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 unit,
> if (likely(ret == size))
> return 0;
>
> - dev_err(&dev->udev->dev,
> - "Failed to query (%s) UVC control %u on unit %u: %d (exp. %u).\n",
> - uvc_query_name(query), cs, unit, ret, size);
> -
> - if (ret != -EPIPE)
> + if (ret != -EPIPE) {
> + dev_err(&dev->udev->dev,
> + "Failed to query (%s) UVC control %u on unit %u: %d (exp. %u).\n",
> + uvc_query_name(query), cs, unit, ret, size);
> return ret;
> + }
>
> + /* reuse data[0] to request the error code. */
s/reuse/Reuse/
> tmp = *(u8 *)data;
>
> ret = __uvc_query_ctrl(dev, UVC_GET_CUR, 0, intfnum,
>
--
Regards,
Laurent Pinchart