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libcamera: v4l2_controls: Replace V4L2ControlInfo with V4L2ControlRange

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The V4L2ControlInfo class only stores a ControlRange. Make it inherit
from ControlRange to provide a convenience constructor from a struct
v4l2_query_ext_ctrl and rename it to V4L2ControlRange.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Laurent Pinchart 2019-10-14 00:41:47 +03:00
parent 7bb4d7144c
commit 207d57c8b4
7 changed files with 54 additions and 73 deletions
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2
src/libcamera/v4l2_device.cpp
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@ -342,7 +342,7 @@ int V4L2Device::ioctl(unsigned long request, void *argp)
*/
void V4L2Device::listControls()
{
std::map<const ControlId *, V4L2ControlInfo> ctrls;
std::map<const ControlId *, V4L2ControlRange> ctrls;
struct v4l2_query_ext_ctrl ctrl = {};
/* \todo Add support for menu and compound controls. */