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| author | Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> | 2011-05-15 17:33:58 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-07-27 22:52:19 +0200 |
| commit | 82f7b59cb80679038e8e3a99738cce5e094f69b6 (patch) | |
| tree | 7e70424805cfe23611aac4ff9eadb136b65f146f /Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml | |
| parent | [media] videobuf_pages_to_sg: sglist[0] length problem (diff) | |
| download | linux-82f7b59cb80679038e8e3a99738cce5e094f69b6.tar.xz linux-82f7b59cb80679038e8e3a99738cce5e094f69b6.zip | |
[media] v4l: Document EACCES in VIDIOC_[GS]_CTRL and VIDIOC_{G, S, TRY}_EXT_CTRLS
VIDIOC_S_CTRL and VIDIOC_S_EXT_CTRLS return EACCES when setting a read-only
control VIDIOC_TRY_EXT_CTRLS when trying a read-only control and
VIDIOC_G_CTRL and VIDIOC_G_EXT_CTRLS when getting a write-only control.
Document this.
Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml')
| -rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml index 3aa7f8f9ff0c..5e73517fa232 100644 --- a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml +++ b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml @@ -294,6 +294,13 @@ The field <structfield>size</structfield> is set to a value that is enough to store the payload and this error code is returned.</para> </listitem> </varlistentry> + <varlistentry> + <term><errorcode>EACCES</errorcode></term> + <listitem> + <para>Attempt to try or set a read-only control or to get a + write-only control.</para> + </listitem> + </varlistentry> </variablelist> </refsect1> </refentry> |