media: vivid.rst: describe display present control

Signed-off-by: Johan Korsnes <johan.korsnes@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/Documentation/media/v4l-drivers/vivid.rst b/Documentation/media/v4l-drivers/vivid.rst
index edb6f33e029c3bce287b35cedbd4d640779bf008..7082fec4075df99b9314a71d80afef6f1389bf1b 100644 (file)
--- a/Documentation/media/v4l-drivers/vivid.rst
+++ b/Documentation/media/v4l-drivers/vivid.rst
@@ -941,6 +941,11 @@ Digital Video Controls
        affects the reported colorspace since DVI_D outputs will always use
        sRGB.
 
+- Display Present:
+
+       sets the presence of a "display" on the HDMI output. This affects
+       the tx_edid_present, tx_hotplug and tx_rxsense controls.
+
 
 FM Radio Receiver Controls
 ~~~~~~~~~~~~~~~~~~~~~~~~~~