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Commit 82f7b59c authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab
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[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: default avatarSakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Acked-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 45f239ab

Documentation/DocBook/media/v4l/vidioc-g-ctrl.xml

+7 −0
Original line number Diff line number Diff line
@@ -117,6 +117,13 @@ because another applications took over control of the device function 
this control belongs to.</para>

	</listitem>

      </varlistentry>

      <varlistentry>

	<term><errorcode>EACCES</errorcode></term>

	<listitem>

	  <para>Attempt to set a read-only control or to get a

	  write-only control.</para>

	</listitem>

      </varlistentry>

    </variablelist>

  </refsect1>

</refentry>

Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml

+7 −0
Original line number Diff line number Diff line
@@ -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>