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From 823f5a2811ec0e45e4392f40c363714fc12d4d98 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Fri, 6 Sep 2019 15:13:06 +0100
Subject: [PATCH] staging: bcm2835-camera: Add greyworld AWB mode
This is mainly used for the NoIR camera which has no IR
filter and can completely confuse normal AWB presets.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
drivers/staging/vc04_services/bcm2835-camera/controls.c | 4 ++++
drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h | 1 +
2 files changed, 5 insertions(+)
--- a/drivers/staging/vc04_services/bcm2835-camera/controls.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/controls.c
@@ -468,6 +468,10 @@ static int ctrl_set_awb_mode(struct bcm2
case V4L2_WHITE_BALANCE_SHADE:
u32_value = MMAL_PARAM_AWBMODE_SHADE;
break;
+
+ case V4L2_WHITE_BALANCE_GREYWORLD:
+ u32_value = MMAL_PARAM_AWBMODE_GREYWORLD;
+ break;
}
return vchiq_mmal_port_parameter_set(dev->instance, control,
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h
@@ -310,6 +310,7 @@ enum mmal_parameter_awbmode {
MMAL_PARAM_AWBMODE_INCANDESCENT,
MMAL_PARAM_AWBMODE_FLASH,
MMAL_PARAM_AWBMODE_HORIZON,
+ MMAL_PARAM_AWBMODE_GREYWORLD,
};
enum mmal_parameter_imagefx {
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