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staging: bcm2835-camera: Add greyworld AWB mode

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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>
This commit is contained in:
Dave Stevenson
2019-09-06 15:13:06 +01:00
committed by popcornmix
parent fd3a1c0aaa
commit 4d8a1dadd0
2 changed files with 7 additions and 2 deletions
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8
drivers/staging/vc04_services/bcm2835-camera/controls.c
View File

@@ -477,6 +477,10 @@ static int ctrl_set_awb_mode(struct bm2835_mmal_dev *dev,
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,
@@ -1014,8 +1018,8 @@ static const struct bm2835_mmal_v4l2_ctrl v4l2_ctrls[V4L2_CTRL_COUNT] = {
{
V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
MMAL_CONTROL_TYPE_STD_MENU,
~0x3ff, V4L2_WHITE_BALANCE_SHADE, V4L2_WHITE_BALANCE_AUTO, 0,
NULL,
~0x7ff, V4L2_WHITE_BALANCE_GREYWORLD, V4L2_WHITE_BALANCE_AUTO,
0, NULL,
MMAL_PARAMETER_AWB_MODE,
ctrl_set_awb_mode,
false

1
drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h
View File

@@ -313,6 +313,7 @@ enum mmal_parameter_awbmode {
MMAL_PARAM_AWBMODE_INCANDESCENT,
MMAL_PARAM_AWBMODE_FLASH,
MMAL_PARAM_AWBMODE_HORIZON,
MMAL_PARAM_AWBMODE_GREYWORLD,
};
enum mmal_parameter_imagefx {