diff --git a/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml b/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml
index cd9943672434..9b700a5f4df7 100644
--- a/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-create-bufs.xml
@@ -62,18 +62,29 @@ addition to the VIDIOC_REQBUFS ioctl, when a tighter
control over buffers is required. This ioctl can be called multiple times to
create buffers of different sizes.
- To allocate device buffers applications initialize relevant fields of
-the v4l2_create_buffers structure. They set the
-type field in the
-&v4l2-format; structure, embedded in this
-structure, to the respective stream or buffer type.
-count must be set to the number of required buffers.
-memory specifies the required I/O method. The
-format field shall typically be filled in using
-either the VIDIOC_TRY_FMT or
-VIDIOC_G_FMT ioctl(). Additionally, applications can adjust
-sizeimage fields to fit their specific needs. The
-reserved array must be zeroed.
+ To allocate the device buffers applications must initialize the
+relevant fields of the v4l2_create_buffers structure.
+The count field must be set to the number of
+requested buffers, the memory field specifies the
+requested I/O method and the reserved array must be
+zeroed.
+
+ The format field specifies the image format
+that the buffers must be able to handle. The application has to fill in this
+&v4l2-format;. Usually this will be done using the
+VIDIOC_TRY_FMT or VIDIOC_G_FMT ioctl()
+to ensure that the requested format is supported by the driver. Unsupported
+formats will result in an error.
+
+ The buffers created by this ioctl will have as minimum size the size
+defined by the format.pix.sizeimage field. If the
+format.pix.sizeimage field is less than the minimum
+required for the given format, then sizeimage will be
+increased by the driver to that minimum to allocate the buffers. If it is
+larger, then the value will be used as-is. The same applies to the
+sizeimage field of the
+v4l2_plane_pix_format structure in the case of
+multiplanar formats.
When the ioctl is called with a pointer to this structure the driver
will attempt to allocate up to the requested number of buffers and store the
@@ -144,9 +155,9 @@ mapped I/O.
EINVAL
- The buffer type (type field) or the
-requested I/O method (memory) is not
-supported.
+ The buffer type (format.type field),
+requested I/O method (memory) or format
+(format field) is not valid.