Hi Sergey,

Thanks for the patch.

On Sun, Mar 17, 2019 at 01:01:25PM -0400, [email protected] wrote:
> From: Sergey Dorodnicov <[email protected]>
> 
> Section 4.2.2.3.6 of the USB Device Class Definition for Video Devices,
> specifies "Auto" as a valid value for the power line frequency control.
> This makes uvcvideo module consistent with control definition inside
> /drivers/media/v4l2-core/v4l2-ctrls.c:
> camera_power_line_frequency[] = {
>       "Disabled",
>       "50 Hz",
>       "60 Hz",
>       "Auto",
> 
> Signed-off-by: Sergey Dorodnicov <[email protected]>
> Signed-off-by: Evgeni Raikhel <[email protected]>
> ---
>  drivers/media/usb/uvc/uvc_ctrl.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/media/usb/uvc/uvc_ctrl.c 
> b/drivers/media/usb/uvc/uvc_ctrl.c
> index 14cff91..a85910a 100644
> --- a/drivers/media/usb/uvc/uvc_ctrl.c
> +++ b/drivers/media/usb/uvc/uvc_ctrl.c
> @@ -358,6 +358,7 @@ static const struct uvc_menu_info 
> power_line_frequency_controls[] = {
>       { 0, "Disabled" },
>       { 1, "50 Hz" },
>       { 2, "60 Hz" },
> +     { 3, "Auto" },

The auto option appears to have been added by UVC 1.5, so the menu entry
may only be available for such devices.

>  };
>  
>  static const struct uvc_menu_info exposure_auto_controls[] = {

-- 
Kind regards,

Sakari Ailus

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