aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/video4linux/v4l2-framework.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/video4linux/v4l2-framework.txt')
-rw-r--r--Documentation/video4linux/v4l2-framework.txt8
1 files changed, 1 insertions, 7 deletions
diff --git a/Documentation/video4linux/v4l2-framework.txt b/Documentation/video4linux/v4l2-framework.txt
index 667a43361706..a11dff07ef71 100644
--- a/Documentation/video4linux/v4l2-framework.txt
+++ b/Documentation/video4linux/v4l2-framework.txt
@@ -675,11 +675,6 @@ You should also set these fields:
675 video_device is initialized you *do* know which parent PCI device to use and 675 video_device is initialized you *do* know which parent PCI device to use and
676 so you set dev_device to the correct PCI device. 676 so you set dev_device to the correct PCI device.
677 677
678- flags: optional. Set to V4L2_FL_USE_FH_PRIO if you want to let the framework
679 handle the VIDIOC_G/S_PRIORITY ioctls. This requires that you use struct
680 v4l2_fh. Eventually this flag will disappear once all drivers use the core
681 priority handling. But for now it has to be set explicitly.
682
683If you use v4l2_ioctl_ops, then you should set .unlocked_ioctl to video_ioctl2 678If you use v4l2_ioctl_ops, then you should set .unlocked_ioctl to video_ioctl2
684in your v4l2_file_operations struct. 679in your v4l2_file_operations struct.
685 680
@@ -909,8 +904,7 @@ struct v4l2_fh
909 904
910struct v4l2_fh provides a way to easily keep file handle specific data 905struct v4l2_fh provides a way to easily keep file handle specific data
911that is used by the V4L2 framework. New drivers must use struct v4l2_fh 906that is used by the V4L2 framework. New drivers must use struct v4l2_fh
912since it is also used to implement priority handling (VIDIOC_G/S_PRIORITY) 907since it is also used to implement priority handling (VIDIOC_G/S_PRIORITY).
913if the video_device flag V4L2_FL_USE_FH_PRIO is also set.
914 908
915The users of v4l2_fh (in the V4L2 framework, not the driver) know 909The users of v4l2_fh (in the V4L2 framework, not the driver) know
916whether a driver uses v4l2_fh as its file->private_data pointer by 910whether a driver uses v4l2_fh as its file->private_data pointer by