media:admin-guide:mgb4: Add zDML color mapping info

Document the zDML (Audi Digital Matrix Light) color mapping option for
the inputs and the new outputs color mapping property.

Signed-off-by: Martin Tůma <martin.tuma@digiteqautomotive.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>

diff --git a/Documentation/admin-guide/media/mgb4.rst b/Documentation/admin-guide/media/mgb4.rst
index 0a8a56e837f776f1a1e3550f67b64d3feab57a89..8e429fd7771247e2dc2906f1c6aa46db9cf6f12e 100644 (file)
--- a/Documentation/admin-guide/media/mgb4.rst
+++ b/Documentation/admin-guide/media/mgb4.rst
@@ -74,6 +74,7 @@ Common FPDL3/GMSL input parameters
 
     | 0 - OLDI/JEIDA
     | 1 - SPWG/VESA (default)
+    | 2 - ZDML
 
 **link_status** (R):
     Video link status. If the link is locked, chips are properly connected and
@@ -240,6 +241,13 @@ Common FPDL3/GMSL output parameters
     *Note: This parameter can not be changed while the output v4l2 device is
     open.*
 
+**color_mapping** (RW):
+    Mapping of the outgoing bits in the signal to the colour bits of the pixels.
+
+    | 0 - OLDI/JEIDA
+    | 1 - SPWG/VESA (default)
+    | 2 - ZDML
+
 **frame_rate** (RW):
     Output video signal frame rate limit in frames per second. Due to
     the limited output pixel clock steps, the card can not always generate