[libcamera-devel] [PATCH v2 1/6] include: linux: Update Linux headers to v5.1
Jacopo Mondi
jacopo at jmondi.org
Tue Jun 4 15:30:28 CEST 2019
Hi Kieran,
On Tue, Jun 04, 2019 at 09:39:59AM +0100, Kieran Bingham wrote:
> Hi Jacopo,
>
> On 27/05/2019 10:05, Jacopo Mondi wrote:
> > Update kernel headers to v5.1
> >
> > The most notable introduction for libcamera is support for
> > V4L2_BUF_TYPE_META_OUTPUT.
> >
> > Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
> > Acked-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> > ---
> > include/linux/media.h | 8 ++++
> > include/linux/v4l2-common.h | 26 +++++------
> > include/linux/v4l2-controls.h | 4 ++
> > include/linux/videodev2.h | 88 ++++++++++++++++++++++++++++++-----
>
> Is this a full import of our 5.1 headers?
>
Yes, at least this was my intention
> Were there no changes in the following?:
>
> media-bus-format.h
> v4l2-dv-timings.h
> v4l2-mediabus.h
> v4l2-subdev.h
>
> I think we should do a full import when we do so ...
$ export HDR=.../linux-headers/v5.1/include/
$ cd include/linux/
$ for h in $(ls *.h); do H=$(find $HDR -name $h); diff $h $H; done
$
That's the same line I have used to copy the files when I made this
patch iirc.
Do you see any difference not reported here?
Thanks
j
>
> --
> Kieran
>
>
> > 4 files changed, 102 insertions(+), 24 deletions(-)
> >
> > diff --git a/include/linux/media.h b/include/linux/media.h
> > index c75664617760..29cc82b89ff2 100644
> > --- a/include/linux/media.h
> > +++ b/include/linux/media.h
> > @@ -350,6 +350,14 @@ struct media_v2_topology {
> > #define MEDIA_IOC_ENUM_LINKS _IOWR('|', 0x02, struct media_links_enum)
> > #define MEDIA_IOC_SETUP_LINK _IOWR('|', 0x03, struct media_link_desc)
> > #define MEDIA_IOC_G_TOPOLOGY _IOWR('|', 0x04, struct media_v2_topology)
> > +#define MEDIA_IOC_REQUEST_ALLOC _IOR ('|', 0x05, int)
> > +
> > +/*
> > + * These ioctls are called on the request file descriptor as returned
> > + * by MEDIA_IOC_REQUEST_ALLOC.
> > + */
> > +#define MEDIA_REQUEST_IOC_QUEUE _IO('|', 0x80)
> > +#define MEDIA_REQUEST_IOC_REINIT _IO('|', 0x81)
> >
> >
> > /*
> > diff --git a/include/linux/v4l2-common.h b/include/linux/v4l2-common.h
> > index 4f7b892377cd..14de1731b39c 100644
> > --- a/include/linux/v4l2-common.h
> > +++ b/include/linux/v4l2-common.h
> > @@ -79,24 +79,11 @@
> > /* Current composing area plus all padding pixels */
> > #define V4L2_SEL_TGT_COMPOSE_PADDED 0x0103
> >
> > -/* Backward compatibility target definitions --- to be removed. */
> > -#define V4L2_SEL_TGT_CROP_ACTIVE V4L2_SEL_TGT_CROP
> > -#define V4L2_SEL_TGT_COMPOSE_ACTIVE V4L2_SEL_TGT_COMPOSE
> > -#define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL V4L2_SEL_TGT_CROP
> > -#define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
> > -#define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS V4L2_SEL_TGT_CROP_BOUNDS
> > -#define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
> > -
> > /* Selection flags */
> > #define V4L2_SEL_FLAG_GE (1 << 0)
> > #define V4L2_SEL_FLAG_LE (1 << 1)
> > #define V4L2_SEL_FLAG_KEEP_CONFIG (1 << 2)
> >
> > -/* Backward compatibility flag definitions --- to be removed. */
> > -#define V4L2_SUBDEV_SEL_FLAG_SIZE_GE V4L2_SEL_FLAG_GE
> > -#define V4L2_SUBDEV_SEL_FLAG_SIZE_LE V4L2_SEL_FLAG_LE
> > -#define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
> > -
> > struct v4l2_edid {
> > __u32 pad;
> > __u32 start_block;
> > @@ -105,4 +92,17 @@ struct v4l2_edid {
> > __u8 *edid;
> > };
> >
> > +/* Backward compatibility target definitions --- to be removed. */
> > +#define V4L2_SEL_TGT_CROP_ACTIVE V4L2_SEL_TGT_CROP
> > +#define V4L2_SEL_TGT_COMPOSE_ACTIVE V4L2_SEL_TGT_COMPOSE
> > +#define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL V4L2_SEL_TGT_CROP
> > +#define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
> > +#define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS V4L2_SEL_TGT_CROP_BOUNDS
> > +#define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
> > +
> > +/* Backward compatibility flag definitions --- to be removed. */
> > +#define V4L2_SUBDEV_SEL_FLAG_SIZE_GE V4L2_SEL_FLAG_GE
> > +#define V4L2_SUBDEV_SEL_FLAG_SIZE_LE V4L2_SEL_FLAG_LE
> > +#define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
> > +
> > #endif /* __V4L2_COMMON__ */
> > diff --git a/include/linux/v4l2-controls.h b/include/linux/v4l2-controls.h
> > index e4ee10ee917d..06479f2fb3ae 100644
> > --- a/include/linux/v4l2-controls.h
> > +++ b/include/linux/v4l2-controls.h
> > @@ -50,6 +50,8 @@
> > #ifndef __LINUX_V4L2_CONTROLS_H
> > #define __LINUX_V4L2_CONTROLS_H
> >
> > +#include <linux/types.h>
> > +
> > /* Control classes */
> > #define V4L2_CTRL_CLASS_USER 0x00980000 /* Old-style 'user' controls */
> > #define V4L2_CTRL_CLASS_MPEG 0x00990000 /* MPEG-compression controls */
> > @@ -531,6 +533,8 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type {
> > };
> > #define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER (V4L2_CID_MPEG_BASE+381)
> > #define V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP (V4L2_CID_MPEG_BASE+382)
> > +#define V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION (V4L2_CID_MPEG_BASE+383)
> > +#define V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET (V4L2_CID_MPEG_BASE+384)
> > #define V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP (V4L2_CID_MPEG_BASE+400)
> > #define V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP (V4L2_CID_MPEG_BASE+401)
> > #define V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP (V4L2_CID_MPEG_BASE+402)
> > diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
> > index 1a95662f5ad0..5e739270116d 100644
> > --- a/include/linux/videodev2.h
> > +++ b/include/linux/videodev2.h
> > @@ -128,6 +128,13 @@ enum v4l2_field {
> > ((field) == V4L2_FIELD_BOTTOM ||\
> > (field) == V4L2_FIELD_TOP ||\
> > (field) == V4L2_FIELD_ALTERNATE)
> > +#define V4L2_FIELD_IS_INTERLACED(field) \
> > + ((field) == V4L2_FIELD_INTERLACED ||\
> > + (field) == V4L2_FIELD_INTERLACED_TB ||\
> > + (field) == V4L2_FIELD_INTERLACED_BT)
> > +#define V4L2_FIELD_IS_SEQUENTIAL(field) \
> > + ((field) == V4L2_FIELD_SEQ_TB ||\
> > + (field) == V4L2_FIELD_SEQ_BT)
> >
> > enum v4l2_buf_type {
> > V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
> > @@ -143,6 +150,7 @@ enum v4l2_buf_type {
> > V4L2_BUF_TYPE_SDR_CAPTURE = 11,
> > V4L2_BUF_TYPE_SDR_OUTPUT = 12,
> > V4L2_BUF_TYPE_META_CAPTURE = 13,
> > + V4L2_BUF_TYPE_META_OUTPUT = 14,
> > /* Deprecated, do not use */
> > V4L2_BUF_TYPE_PRIVATE = 0x80,
> > };
> > @@ -158,7 +166,8 @@ enum v4l2_buf_type {
> > || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
> > || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
> > || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
> > - || (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
> > + || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
> > + || (type) == V4L2_BUF_TYPE_META_OUTPUT)
> >
> > enum v4l2_tuner_type {
> > V4L2_TUNER_RADIO = 1,
> > @@ -223,8 +232,8 @@ enum v4l2_colorspace {
> > /* For RGB colorspaces such as produces by most webcams. */
> > V4L2_COLORSPACE_SRGB = 8,
> >
> > - /* AdobeRGB colorspace */
> > - V4L2_COLORSPACE_ADOBERGB = 9,
> > + /* opRGB colorspace */
> > + V4L2_COLORSPACE_OPRGB = 9,
> >
> > /* BT.2020 colorspace, used for UHDTV. */
> > V4L2_COLORSPACE_BT2020 = 10,
> > @@ -256,7 +265,7 @@ enum v4l2_xfer_func {
> > *
> > * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
> > *
> > - * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB
> > + * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
> > *
> > * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
> > *
> > @@ -267,7 +276,7 @@ enum v4l2_xfer_func {
> > V4L2_XFER_FUNC_DEFAULT = 0,
> > V4L2_XFER_FUNC_709 = 1,
> > V4L2_XFER_FUNC_SRGB = 2,
> > - V4L2_XFER_FUNC_ADOBERGB = 3,
> > + V4L2_XFER_FUNC_OPRGB = 3,
> > V4L2_XFER_FUNC_SMPTE240M = 4,
> > V4L2_XFER_FUNC_NONE = 5,
> > V4L2_XFER_FUNC_DCI_P3 = 6,
> > @@ -279,7 +288,7 @@ enum v4l2_xfer_func {
> > * This depends on the colorspace.
> > */
> > #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
> > - ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \
> > + ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
> > ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
> > ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
> > ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
> > @@ -293,7 +302,7 @@ enum v4l2_ycbcr_encoding {
> > *
> > * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
> > * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
> > - * V4L2_COLORSPACE_ADOBERGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
> > + * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
> > *
> > * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
> > *
> > @@ -378,6 +387,15 @@ enum v4l2_quantization {
> > (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
> > V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
> >
> > +/*
> > + * Deprecated names for opRGB colorspace (IEC 61966-2-5)
> > + *
> > + * WARNING: Please don't use these deprecated defines in your code, as
> > + * there is a chance we have to remove them in the future.
> > + */
> > +#define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
> > +#define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
> > +
> > enum v4l2_priority {
> > V4L2_PRIORITY_UNSET = 0, /* not initialized */
> > V4L2_PRIORITY_BACKGROUND = 1,
> > @@ -454,6 +472,7 @@ struct v4l2_capability {
> > #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
> > #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
> > #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
> > +#define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
> >
> > #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
> >
> > @@ -537,6 +556,10 @@ struct v4l2_pix_format {
> > #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
> > #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
> > #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
> > +#define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
> > +#define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
> > +#define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
> > +#define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
> > #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */
> > #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
> > #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
> > @@ -631,6 +654,7 @@ struct v4l2_pix_format {
> > #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
> > #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
> > #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
> > +#define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
> > #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
> > #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
> > #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
> > @@ -672,6 +696,8 @@ struct v4l2_pix_format {
> > #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
> > #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
> > #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
> > +#define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */
> > +#define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
> >
> > /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
> > #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
> > @@ -699,6 +725,7 @@ struct v4l2_pix_format {
> > #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
> > #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
> > #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
> > +#define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
> >
> > /* priv field value to indicates that subsequent fields are valid. */
> > #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
> > @@ -852,9 +879,17 @@ struct v4l2_requestbuffers {
> > __u32 count;
> > __u32 type; /* enum v4l2_buf_type */
> > __u32 memory; /* enum v4l2_memory */
> > - __u32 reserved[2];
> > + __u32 capabilities;
> > + __u32 reserved[1];
> > };
> >
> > +/* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
> > +#define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
> > +#define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
> > +#define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
> > +#define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
> > +#define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
> > +
> > /**
> > * struct v4l2_plane - plane info for multi-planar buffers
> > * @bytesused: number of bytes occupied by data in the plane (payload)
> > @@ -913,6 +948,7 @@ struct v4l2_plane {
> > * @length: size in bytes of the buffer (NOT its payload) for single-plane
> > * buffers (when type != *_MPLANE); number of elements in the
> > * planes array for multi-plane buffers
> > + * @request_fd: fd of the request that this buffer should use
> > *
> > * Contains data exchanged by application and driver using one of the Streaming
> > * I/O methods.
> > @@ -937,9 +973,24 @@ struct v4l2_buffer {
> > } m;
> > __u32 length;
> > __u32 reserved2;
> > - __u32 reserved;
> > + union {
> > + __s32 request_fd;
> > + __u32 reserved;
> > + };
> > };
> >
> > +/**
> > + * v4l2_timeval_to_ns - Convert timeval to nanoseconds
> > + * @ts: pointer to the timeval variable to be converted
> > + *
> > + * Returns the scalar nanosecond representation of the timeval
> > + * parameter.
> > + */
> > +static __inline__ __u64 v4l2_timeval_to_ns(const struct timeval *tv)
> > +{
> > + return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
> > +}
> > +
> > /* Flags for 'flags' field */
> > /* Buffer is mapped (flag) */
> > #define V4L2_BUF_FLAG_MAPPED 0x00000001
> > @@ -955,6 +1006,8 @@ struct v4l2_buffer {
> > #define V4L2_BUF_FLAG_BFRAME 0x00000020
> > /* Buffer is ready, but the data contained within is corrupted. */
> > #define V4L2_BUF_FLAG_ERROR 0x00000040
> > +/* Buffer is added to an unqueued request */
> > +#define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
> > /* timecode field is valid */
> > #define V4L2_BUF_FLAG_TIMECODE 0x00000100
> > /* Buffer is prepared for queuing */
> > @@ -973,6 +1026,8 @@ struct v4l2_buffer {
> > #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
> > /* mem2mem encoder/decoder */
> > #define V4L2_BUF_FLAG_LAST 0x00100000
> > +/* request_fd is valid */
> > +#define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
> >
> > /**
> > * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
> > @@ -1396,6 +1451,13 @@ struct v4l2_bt_timings {
> > * InfoFrame).
> > */
> > #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
> > +/*
> > + * CEA-861 specific: only valid for video receivers.
> > + * If set, then HW can detect the difference between regular FPS and
> > + * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
> > + * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
> > + */
> > +#define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
> >
> > /* A few useful defines to calculate the total blanking and frame sizes */
> > #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
> > @@ -1593,7 +1655,8 @@ struct v4l2_ext_controls {
> > };
> > __u32 count;
> > __u32 error_idx;
> > - __u32 reserved[2];
> > + __s32 request_fd;
> > + __u32 reserved[1];
> > struct v4l2_ext_control *controls;
> > };
> >
> > @@ -1604,6 +1667,7 @@ struct v4l2_ext_controls {
> > #define V4L2_CTRL_MAX_DIMS (4)
> > #define V4L2_CTRL_WHICH_CUR_VAL 0
> > #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
> > +#define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
> >
> > enum v4l2_ctrl_type {
> > V4L2_CTRL_TYPE_INTEGER = 1,
> > @@ -2294,6 +2358,7 @@ struct v4l2_dbg_chip_info {
> > * return: number of created buffers
> > * @memory: enum v4l2_memory; buffer memory type
> > * @format: frame format, for which buffers are requested
> > + * @capabilities: capabilities of this buffer type.
> > * @reserved: future extensions
> > */
> > struct v4l2_create_buffers {
> > @@ -2301,7 +2366,8 @@ struct v4l2_create_buffers {
> > __u32 count;
> > __u32 memory;
> > struct v4l2_format format;
> > - __u32 reserved[8];
> > + __u32 capabilities;
> > + __u32 reserved[7];
> > };
> >
> > /*
> >
>
> --
> Regards
> --
> Kieran
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