V4L/DVB (5437): Update cx23415 documentation

Adds more osd mode switching information.
Corrects some information regarding mode selection & local alpha operation for
16 bit modes.

Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 10 insertions, 2 deletions

diff --git a/Documentation/video4linux/cx2341x/fw-osd-api.txt b/Documentation/video4linux/cx2341x/fw-osd-api.txt
index 0a602f3e601b..89c4601042c1 100644
--- a/Documentation/video4linux/cx2341x/fw-osd-api.txt
+++ b/Documentation/video4linux/cx2341x/fw-osd-api.txt
@@ -21,7 +21,11 @@ Enum 	66/0x42
 Description
         Query OSD format
 Result[0]
-        0=8bit index, 4=AlphaRGB 8:8:8:8
+        0=8bit index
+        1=16bit RGB 5:6:5
+        2=16bit ARGB 1:5:5:5
+        3=16bit ARGB 1:4:4:4
+        4=32bit ARGB 8:8:8:8
 
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@@ -30,7 +34,11 @@ Enum 	67/0x43
 Description
         Assign pixel format
 Param[0]
-        0=8bit index, 4=AlphaRGB 8:8:8:8
+        0=8bit index
+        1=16bit RGB 5:6:5
+        2=16bit ARGB 1:5:5:5
+        3=16bit ARGB 1:4:4:4
+        4=32bit ARGB 8:8:8:8
 
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