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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 Dom Cobley
parent fce8121d2f
commit c05f77db01
2 changed files with 7 additions and 2 deletions
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8
drivers/staging/vc04_services/bcm2835-camera/controls.c
View File

@@ -468,6 +468,10 @@ static int ctrl_set_awb_mode(struct bcm2835_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,
@@ -1044,8 +1048,8 @@ static const struct bcm2835_mmal_v4l2_ctrl v4l2_ctrls[V4L2_CTRL_COUNT] = {
{
.id = V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
.type = MMAL_CONTROL_TYPE_STD_MENU,
.min = ~0x3ff,
.max = V4L2_WHITE_BALANCE_SHADE,
.min = ~0x7ff,
.max = V4L2_WHITE_BALANCE_GREYWORLD,
.def = V4L2_WHITE_BALANCE_AUTO,
.step = 0,
.imenu = NULL,

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

@@ -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 {