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From cf1ae4345b4d7ef4bb8f60f98cc26633f8a18a6d Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Fri, 6 Sep 2019 15:04:51 +0100
Subject: [PATCH] v4l2: Add a Greyworld AWB mode.
Adds a simple greyworld white balance preset, mainly for use
with cameras without an IR filter (eg Raspberry Pi NoIR)
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
include/uapi/linux/v4l2-controls.h | 1 +
1 file changed, 1 insertion(+)
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -950,6 +950,7 @@ enum v4l2_auto_n_preset_white_balance {
V4L2_WHITE_BALANCE_FLASH = 7,
V4L2_WHITE_BALANCE_CLOUDY = 8,
V4L2_WHITE_BALANCE_SHADE = 9,
+ V4L2_WHITE_BALANCE_GREYWORLD = 10,
};
#define V4L2_CID_WIDE_DYNAMIC_RANGE (V4L2_CID_CAMERA_CLASS_BASE+21)
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