This patch adds a set of new ioctls to the V4L2 API. The ioctls conform to V4L2 Events RFC version 2.3:
<URL:http://www.spinics.net/lists/linux-media/msg12033.html> Signed-off-by: Sakari Ailus <sakari.ai...@maxwell.research.nokia.com> --- drivers/media/video/v4l2-compat-ioctl32.c | 3 +++ drivers/media/video/v4l2-ioctl.c | 3 +++ include/linux/videodev2.h | 24 ++++++++++++++++++++++++ 3 files changed, 30 insertions(+), 0 deletions(-) diff --git a/drivers/media/video/v4l2-compat-ioctl32.c b/drivers/media/video/v4l2-compat-ioctl32.c index 997975d..cba704c 100644 --- a/drivers/media/video/v4l2-compat-ioctl32.c +++ b/drivers/media/video/v4l2-compat-ioctl32.c @@ -1077,6 +1077,9 @@ long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg) case VIDIOC_DBG_G_REGISTER: case VIDIOC_DBG_G_CHIP_IDENT: case VIDIOC_S_HW_FREQ_SEEK: + case VIDIOC_DQEVENT: + case VIDIOC_SUBSCRIBE_EVENT: + case VIDIOC_UNSUBSCRIBE_EVENT: ret = do_video_ioctl(file, cmd, arg); break; diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c index 30cc334..bfc4696 100644 --- a/drivers/media/video/v4l2-ioctl.c +++ b/drivers/media/video/v4l2-ioctl.c @@ -283,6 +283,9 @@ static const char *v4l2_ioctls[] = { [_IOC_NR(VIDIOC_DBG_G_CHIP_IDENT)] = "VIDIOC_DBG_G_CHIP_IDENT", [_IOC_NR(VIDIOC_S_HW_FREQ_SEEK)] = "VIDIOC_S_HW_FREQ_SEEK", + [_IOC_NR(VIDIOC_DQEVENT)] = "VIDIOC_DQEVENT", + [_IOC_NR(VIDIOC_SUBSCRIBE_EVENT)] = "VIDIOC_SUBSCRIBE_EVENT", + [_IOC_NR(VIDIOC_UNSUBSCRIBE_EVENT)] = "VIDIOC_UNSUBSCRIBE_EVENT", #endif }; #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 54af357..9ae9a1c 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -1536,6 +1536,27 @@ struct v4l2_streamparm { }; /* + * E V E N T S + */ + +struct v4l2_event { + __u32 count; + __u32 type; + __u32 sequence; + struct timespec timestamp; + __u32 reserved[9]; + __u8 data[64]; +}; + +struct v4l2_event_subscription { + __u32 type; + __u32 reserved[7]; +}; + +#define V4L2_EVENT_ALL 0 +#define V4L2_EVENT_PRIVATE_START 0x08000000 + +/* * A D V A N C E D D E B U G G I N G * * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! @@ -1651,6 +1672,9 @@ struct v4l2_dbg_chip_ident { #endif #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) +#define VIDIOC_DQEVENT _IOR('V', 83, struct v4l2_event) +#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 84, struct v4l2_event_subscription) +#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 85, struct v4l2_event_subscription) /* Reminder: when adding new ioctls please add support for them to drivers/media/video/v4l2-compat-ioctl32.c as well! */ -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
