media: vivid.rst: describe display present control

Signed-off-by: Johan Korsnes <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
dabrace · Jun 21, 2019 · 4196ad7 · 4196ad7
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commit 4196ad7
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diff --git 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
 ~~~~~~~~~~~~~~~~~~~~~~~~~~