[libcamera-devel] [PATCH 05/10] libcamera: v4l2_controls: Store default value

[Laurent Pinchart]

Hi Jacopo,

Thank you for the patch.

On Wed, Dec 04, 2019 at 02:21:01PM +0100, Jacopo Mondi wrote:
> Store the default value for V4L2 controls as reported by the kernel when
> creating ControlRange instances using information coming from
> v4l2_query_ext_ctrl.
> 
> Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>

Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

> ---
>  src/libcamera/v4l2_controls.cpp | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/src/libcamera/v4l2_controls.cpp b/src/libcamera/v4l2_controls.cpp
> index b6547a7c627c..7446c3880330 100644
> --- a/src/libcamera/v4l2_controls.cpp
> +++ b/src/libcamera/v4l2_controls.cpp
> @@ -121,17 +121,20 @@ V4L2ControlRange::V4L2ControlRange(const struct v4l2_query_ext_ctrl &ctrl)
>  	switch (ctrl.type) {
>  	case V4L2_CTRL_TYPE_BOOLEAN:
>  		ControlRange::operator=(ControlRange(static_cast<bool>(ctrl.minimum),
> -						     static_cast<bool>(ctrl.maximum)));
> +						     static_cast<bool>(ctrl.maximum),
> +						     static_cast<bool>(ctrl.default_value)));
>  		break;
>  
>  	case V4L2_CTRL_TYPE_INTEGER64:
>  		ControlRange::operator=(ControlRange(static_cast<int64_t>(ctrl.minimum),
> -						     static_cast<int64_t>(ctrl.maximum)));
> +						     static_cast<int64_t>(ctrl.maximum),
> +						     static_cast<int64_t>(ctrl.default_value)));
>  		break;
>  
>  	default:
>  		ControlRange::operator=(ControlRange(static_cast<int32_t>(ctrl.minimum),
> -						     static_cast<int32_t>(ctrl.maximum)));
> +						     static_cast<int32_t>(ctrl.maximum),
> +						     static_cast<int32_t>(ctrl.default_value)));
>  		break;
>  	}
>  }

-- 
Regards,

Laurent Pinchart