[libcamera-devel] [PATCH v2 11/14] libcamera: v4l2_controls: Remove V4L2ControlInfo type field

Niklas Söderlund niklas.soderlund at ragnatech.se
Sun Oct 13 18:16:23 CEST 2019


Hi Laurent,

Thanks for your work.

On 2019-10-12 21:44:04 +0300, Laurent Pinchart wrote:
> The V4L2ControlInfo type field stores the V4L2 control type. It partly
> duplicates the V4L2ControlInfo id().type() that stores the corresponding
> libcamera control type. The two fields are not strictly identical, but
> having two types doesn't provide us with any extra value. As this is
> confusing, remove the V4L2ControlInfo type field.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> Reviewed-by: Jacopo Mondi <jacopo at jmondi.org>

Reviewed-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>

> ---
>  src/libcamera/include/v4l2_controls.h | 2 --
>  src/libcamera/v4l2_controls.cpp       | 7 -------
>  src/libcamera/v4l2_device.cpp         | 8 ++++----
>  3 files changed, 4 insertions(+), 13 deletions(-)
> 
> diff --git a/src/libcamera/include/v4l2_controls.h b/src/libcamera/include/v4l2_controls.h
> index 71ce377fe4c5..949ca21cb863 100644
> --- a/src/libcamera/include/v4l2_controls.h
> +++ b/src/libcamera/include/v4l2_controls.h
> @@ -32,14 +32,12 @@ public:
>  	V4L2ControlInfo(const struct v4l2_query_ext_ctrl &ctrl);
>  
>  	const ControlId &id() const { return id_; }
> -	unsigned int type() const { return type_; }
>  	size_t size() const { return size_; }
>  
>  	const ControlRange &range() const { return range_; }
>  
>  private:
>  	V4L2ControlId id_;
> -	unsigned int type_;
>  	size_t size_;
>  
>  	ControlRange range_;
> diff --git a/src/libcamera/v4l2_controls.cpp b/src/libcamera/v4l2_controls.cpp
> index a630a2583d33..3f5f3ff10880 100644
> --- a/src/libcamera/v4l2_controls.cpp
> +++ b/src/libcamera/v4l2_controls.cpp
> @@ -127,7 +127,6 @@ V4L2ControlId::V4L2ControlId(const struct v4l2_query_ext_ctrl &ctrl)
>  V4L2ControlInfo::V4L2ControlInfo(const struct v4l2_query_ext_ctrl &ctrl)
>  	: id_(ctrl)
>  {
> -	type_ = ctrl.type;
>  	size_ = ctrl.elem_size * ctrl.elems;
>  
>  	if (ctrl.type == V4L2_CTRL_TYPE_INTEGER64)
> @@ -144,12 +143,6 @@ V4L2ControlInfo::V4L2ControlInfo(const struct v4l2_query_ext_ctrl &ctrl)
>   * \return The V4L2 control ID
>   */
>  
> -/**
> - * \fn V4L2ControlInfo::type()
> - * \brief Retrieve the control type as defined by V4L2_CTRL_TYPE_*
> - * \return The V4L2 control type
> - */
> -
>  /**
>   * \fn V4L2ControlInfo::size()
>   * \brief Retrieve the control value data size (in bytes)
> diff --git a/src/libcamera/v4l2_device.cpp b/src/libcamera/v4l2_device.cpp
> index 466c3d41f6e3..8c5998435020 100644
> --- a/src/libcamera/v4l2_device.cpp
> +++ b/src/libcamera/v4l2_device.cpp
> @@ -262,8 +262,8 @@ int V4L2Device::setControls(V4L2ControlList *ctrls)
>  		v4l2Ctrls[i].id = ctrl->id();
>  
>  		/* Set the v4l2_ext_control value for the write operation. */
> -		switch (info->type()) {
> -		case V4L2_CTRL_TYPE_INTEGER64:
> +		switch (info->id().type()) {
> +		case ControlTypeInteger64:
>  			v4l2Ctrls[i].value64 = ctrl->value().get<int64_t>();
>  			break;
>  		default:
> @@ -392,8 +392,8 @@ void V4L2Device::updateControls(V4L2ControlList *ctrls,
>  		const V4L2ControlInfo *info = controlInfo[i];
>  		V4L2Control *ctrl = ctrls->getByIndex(i);
>  
> -		switch (info->type()) {
> -		case V4L2_CTRL_TYPE_INTEGER64:
> +		switch (info->id().type()) {
> +		case ControlTypeInteger64:
>  			ctrl->value().set<int64_t>(v4l2Ctrl->value64);
>  			break;
>  		default:
> -- 
> Regards,
> 
> Laurent Pinchart
> 
> _______________________________________________
> libcamera-devel mailing list
> libcamera-devel at lists.libcamera.org
> https://lists.libcamera.org/listinfo/libcamera-devel

-- 
Regards,
Niklas Söderlund


More information about the libcamera-devel mailing list