Define an HDR control in it, and adds its documentation in st-vgxy61.rst file. Signed-off-by: Benjamin Mugnier <benjamin.mugnier@xxxxxxxxxxx> --- .../userspace-api/media/drivers/st-vgxy61.rst | 23 +++++++++++++++++++ include/uapi/linux/st-vgxy61.h | 15 ++++++++++++ 2 files changed, 38 insertions(+) create mode 100644 Documentation/userspace-api/media/drivers/st-vgxy61.rst create mode 100644 include/uapi/linux/st-vgxy61.h diff --git a/Documentation/userspace-api/media/drivers/st-vgxy61.rst b/Documentation/userspace-api/media/drivers/st-vgxy61.rst new file mode 100644 index 000000000000..7a11adbb558f --- /dev/null +++ b/Documentation/userspace-api/media/drivers/st-vgxy61.rst @@ -0,0 +1,23 @@ +.. SPDX-License-Identifier: GPL-2.0 + +ST VGXY61 camera sensor driver +============================== + +The ST VGXY61 driver implements the following driver-specific controls: + +``V4L2_CID_STVGXY61_HDR`` +------------------------------- + Change the sensor HDR mode. A HDR picture is obtained by merging two captures of the same scene + using two different exposure periods. + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 4 + + * - HDR linearize + - The merger outputs a long exposure capture as long as it is not saturated. + * - HDR substraction + - This involves subtracting the short exposure frame from the long exposure frame. + * - "no HDR" + - This mode is used for standard dynamic range (SDR) exposures. diff --git a/include/uapi/linux/st-vgxy61.h b/include/uapi/linux/st-vgxy61.h new file mode 100644 index 000000000000..fbabe2cb64ac --- /dev/null +++ b/include/uapi/linux/st-vgxy61.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2022 STMicroelectronics SA + * + */ + +#ifndef __UAPI_STVGXY61_H_ +#define __UAPI_STVGXY61_H_ + +#include <linux/v4l2-controls.h> + +/* Control HDR mode */ +#define V4L2_CID_STVGXY61_HDR (V4L2_CID_USER_STVGXY61_BASE + 0) + +#endif /* __UAPI_STVGXY61_H_ */ -- 2.25.1
