As discussed in the IRC with Hans

We need to specify in the commit message that this is most likely due
to hw error.

On Thu, Mar 11, 2021 at 1:20 PM Ricardo Ribalda <riba...@chromium.org> wrote:
>
> Fixes v4l2-compliance:
>
> Control ioctls (Input 0):
>                 fail: v4l2-test-controls.cpp(448): s_ctrl returned an error 
> (22)
>         test VIDIOC_G/S_CTRL: FAIL
>                 fail: v4l2-test-controls.cpp(698): s_ext_ctrls returned an 
> error (22)
>         test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL
>
> Signed-off-by: Ricardo Ribalda <riba...@chromium.org>
> ---
>  drivers/media/usb/uvc/uvc_video.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/usb/uvc/uvc_video.c 
> b/drivers/media/usb/uvc/uvc_video.c
> index f2f565281e63..5442e9be1c55 100644
> --- a/drivers/media/usb/uvc/uvc_video.c
> +++ b/drivers/media/usb/uvc/uvc_video.c
> @@ -113,7 +113,7 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 
> unit,
>         case 6: /* Invalid control */
>         case 7: /* Invalid Request */
>         case 8: /* Invalid value within range */
> -               return -EINVAL;
> +               return -EIO;
>         default: /* reserved or unknown */
>                 break;
>         }
> --
> 2.31.0.rc2.261.g7f71774620-goog
>


-- 
Ricardo Ribalda

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