Re: [PATCH v2 6/7] media: uvcvideo: Remove mappings form uvc_device_info

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Hi Ricardo,

Thank you for the patch.

On Mon, Jun 10, 2024 at 11:09:57PM +0000, Ricardo Ribalda wrote:
> We do not have any quirk device making us of this. Remove from now. It
> can be easily reverted later if needed.
> 
> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
>  drivers/media/usb/uvc/uvc_ctrl.c | 27 +--------------------------
>  drivers/media/usb/uvc/uvcvideo.h |  1 -
>  2 files changed, 1 insertion(+), 27 deletions(-)
> 
> diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
> index d74019cb27fe..1c1710e3c486 100644
> --- a/drivers/media/usb/uvc/uvc_ctrl.c
> +++ b/drivers/media/usb/uvc/uvc_ctrl.c
> @@ -2679,32 +2679,7 @@ static void uvc_ctrl_init_ctrl(struct uvc_video_chain *chain,
>  	if (!ctrl->initialized)
>  		return;
>  
> -	/*
> -	 * First check if the device provides a custom mapping for this control,
> -	 * used to override standard mappings for non-conformant devices. Don't
> -	 * process standard mappings if a custom mapping is found. This
> -	 * mechanism doesn't support combining standard and custom mappings for
> -	 * a single control.
> -	 */
> -	if (chain->dev->info->mappings) {
> -		bool custom = false;
> -
> -		for (i = 0; chain->dev->info->mappings[i]; ++i) {
> -			const struct uvc_control_mapping *mapping =
> -				chain->dev->info->mappings[i];
> -
> -			if (uvc_entity_match_guid(ctrl->entity, mapping->entity) &&
> -			    ctrl->info.selector == mapping->selector) {
> -				__uvc_ctrl_add_mapping(chain, ctrl, mapping);
> -				custom = true;
> -			}
> -		}
> -
> -		if (custom)
> -			return;
> -	}
> -
> -	/* Process common mappings next. */
> +	/* Process common mappings. */
>  	for (i = 0; i < ARRAY_SIZE(uvc_ctrl_mappings); ++i) {
>  		const struct uvc_control_mapping *mapping = &uvc_ctrl_mappings[i];
>  
> diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
> index 4df02a40c74f..ff9545dcf716 100644
> --- a/drivers/media/usb/uvc/uvcvideo.h
> +++ b/drivers/media/usb/uvc/uvcvideo.h
> @@ -527,7 +527,6 @@ struct uvc_device_info {
>  	u32	quirks;
>  	u32	meta_format;
>  	u16	uvc_version;
> -	const struct uvc_control_mapping **mappings;
>  };
>  
>  struct uvc_status_streaming {

-- 
Regards,

Laurent Pinchart




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