diff options
Diffstat (limited to 'Documentation/userspace-api/media/v4l/io.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/io.rst | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/Documentation/userspace-api/media/v4l/io.rst b/Documentation/userspace-api/media/v4l/io.rst index ce0cece6f35f..4b1964df9d73 100644 --- a/Documentation/userspace-api/media/v4l/io.rst +++ b/Documentation/userspace-api/media/v4l/io.rst @@ -17,8 +17,7 @@ read or write will fail at any time. Other methods must be negotiated. To select the streaming I/O method with memory mapped or user buffers applications call the -:ref:`VIDIOC_REQBUFS` ioctl. The asynchronous I/O -method is not defined yet. +:ref:`VIDIOC_REQBUFS` ioctl. Video overlay can be considered another I/O method, although the application does not directly receive the image data. It is selected by @@ -46,6 +45,5 @@ The following sections describe the various I/O methods in more detail. mmap userp dmabuf - async buffer field-order |