[libcamera-devel] [PATCH] libcamera: ipa: raspberrypi: Add support for imx519 sensor
Arducam info
info at arducam.com
Mon Oct 11 14:11:50 CEST 2021
Hi David and Naush
As you know Arducam keeps working for camera solutions for Raspberry pi for a long time.
This new IMX519 camera is the latest open source camera driver and ISP tuned libcamera json config.
We have already committed the IMX519 driver source code to RaspberryPi/linux repo with Dave Stevenson weeks ago: https://github.com/raspberrypi/linux/pull/4548/commits <https://github.com/raspberrypi/linux/pull/4548/commits>
And this IMX519 also supports the long exposure as the IMX477, check the statement below from the datasheet.
Please let me know your shipping address and contact phone number, I will send you the first few samples tomorrow with DHL shipping.
Regards
Lee
> On 11 Oct 2021, at 4:16 PM, David Plowman <david.plowman at raspberrypi.com> wrote:
>
> Hi Lee
>
> Thank you very much for your contribution, we're very pleased to see
> others making use of the Pi's camera system in this way!
>
> On Mon, 11 Oct 2021 at 05:06, Arducam info <info at arducam.com <mailto:info at arducam.com>> wrote:
>>
>> The necessary tuning file and CamHelper is added for the imx519 sensor.
>>
>> The imx519 is a 16MP rolling shutter sensor. To enable
>> it, please add
>>
>> dtoverlay=imx519
>>
>> to the /boot/config.txt file and reboot the Pi.
>>
>> Signed-off-by: Lee Jackson <info at arducam.com>
>> ---
>> src/ipa/raspberrypi/cam_helper_imx519.cpp | 185 +++++++++++++++
>> src/ipa/raspberrypi/data/imx519.json | 272 ++++++++++++++++++++++
>> src/ipa/raspberrypi/data/meson.build | 1 +
>> src/ipa/raspberrypi/meson.build | 1 +
>> 4 files changed, 459 insertions(+)
>> create mode 100644 src/ipa/raspberrypi/cam_helper_imx519.cpp
>> create mode 100644 src/ipa/raspberrypi/data/imx519.json
>>
>> diff --git a/src/ipa/raspberrypi/cam_helper_imx519.cpp b/src/ipa/raspberrypi/cam_helper_imx519.cpp
>> new file mode 100644
>> index 00000000..eaf24982
>> --- /dev/null
>> +++ b/src/ipa/raspberrypi/cam_helper_imx519.cpp
>> @@ -0,0 +1,185 @@
>> +/* SPDX-License-Identifier: BSD-2-Clause */
>> +/*
>> + * Based on cam_helper_imx477.cpp
>> + * Copyright (C) 2020, Raspberry Pi (Trading) Limited
>> + *
>> + * cam_helper_imx519.cpp - camera helper for imx519 sensor
>> + * Copyright (C) 2021, Arducam Technology co., Ltd.
>> + */
>> +
>> +#include <assert.h>
>> +#include <cmath>
>> +#include <stddef.h>
>> +#include <stdio.h>
>> +#include <stdlib.h>
>> +
>> +#include <libcamera/base/log.h>
>> +
>> +#include "cam_helper.hpp"
>> +#include "md_parser.hpp"
>> +
>> +using namespace RPiController;
>> +using namespace libcamera;
>> +using libcamera::utils::Duration;
>> +
>> +namespace libcamera {
>> +LOG_DECLARE_CATEGORY(IPARPI)
>> +}
>> +
>> +/*
>> + * We care about two gain registers and a pair of exposure registers. Their
>> + * I2C addresses from the Sony IMX519 datasheet:
>> + */
>> +constexpr uint32_t expHiReg = 0x0202;
>> +constexpr uint32_t expLoReg = 0x0203;
>> +constexpr uint32_t gainHiReg = 0x0204;
>> +constexpr uint32_t gainLoReg = 0x0205;
>> +constexpr uint32_t frameLengthHiReg = 0x0340;
>> +constexpr uint32_t frameLengthLoReg = 0x0341;
>> +constexpr std::initializer_list<uint32_t> registerList =
>> + { expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg };
>> +
>> +class CamHelperImx519 : public CamHelper
>> +{
>> +public:
>> + CamHelperImx519();
>> + uint32_t GainCode(double gain) const override;
>> + double Gain(uint32_t gain_code) const override;
>> + void Prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata) override;
>> + uint32_t GetVBlanking(Duration &exposure, Duration minFrameDuration,
>> + Duration maxFrameDuration) const override;
>> + void GetDelays(int &exposure_delay, int &gain_delay,
>> + int &vblank_delay) const override;
>> + bool SensorEmbeddedDataPresent() const override;
>> +
>> +private:
>> + /*
>> + * Smallest difference between the frame length and integration time,
>> + * in units of lines.
>> + */
>> + static constexpr int frameIntegrationDiff = 32;
>> + /* Maximum frame length allowable for long exposure calculations. */
>> + static constexpr int frameLengthMax = 0xffdc;
>> + /* Largest long exposure scale factor given as a left shift on the frame length. */
>> + static constexpr int longExposureShiftMax = 7;
>> +
>> + void PopulateMetadata(const MdParser::RegisterMap ®isters,
>> + Metadata &metadata) const override;
>> +};
>> +
>> +CamHelperImx519::CamHelperImx519()
>> + : CamHelper(std::make_unique<MdParserSmia>(registerList), frameIntegrationDiff)
>> +{
>> +}
>> +
>> +uint32_t CamHelperImx519::GainCode(double gain) const
>> +{
>> + return static_cast<uint32_t>(1024 - 1024 / gain);
>> +}
>> +
>> +double CamHelperImx519::Gain(uint32_t gain_code) const
>> +{
>> + return 1024.0 / (1024 - gain_code);
>> +}
>> +
>> +void CamHelperImx519::Prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata)
>> +{
>> + MdParser::RegisterMap registers;
>> + DeviceStatus deviceStatus;
>> +
>> + if (metadata.Get("device.status", deviceStatus)) {
>> + LOG(IPARPI, Error) << "DeviceStatus not found from DelayedControls";
>> + return;
>> + }
>> +
>> + parseEmbeddedData(buffer, metadata);
>> +
>> + /*
>> + * The DeviceStatus struct is first populated with values obtained from
>> + * DelayedControls. If this reports frame length is > frameLengthMax,
>> + * it means we are using a long exposure mode. Since the long exposure
>> + * scale factor is not returned back through embedded data, we must rely
>> + * on the existing exposure lines and frame length values returned by
>> + * DelayedControls.
>> + *
>> + * Otherwise, all values are updated with what is reported in the
>> + * embedded data.
>> + */
>> + if (deviceStatus.frame_length > frameLengthMax) {
>> + DeviceStatus parsedDeviceStatus;
>> +
>> + metadata.Get("device.status", parsedDeviceStatus);
>> + parsedDeviceStatus.shutter_speed = deviceStatus.shutter_speed;
>> + parsedDeviceStatus.frame_length = deviceStatus.frame_length;
>> + metadata.Set("device.status", parsedDeviceStatus);
>> +
>> + LOG(IPARPI, Debug) << "Metadata updated for long exposure: "
>> + << parsedDeviceStatus;
>> + }
>> +}
>> +
>> +uint32_t CamHelperImx519::GetVBlanking(Duration &exposure,
>> + Duration minFrameDuration,
>> + Duration maxFrameDuration) const
>> +{
>> + uint32_t frameLength, exposureLines;
>> + unsigned int shift = 0;
>> +
>> + frameLength = mode_.height + CamHelper::GetVBlanking(exposure, minFrameDuration,
>> + maxFrameDuration);
>> + /*
>> + * Check if the frame length calculated needs to be setup for long
>> + * exposure mode. This will require us to use a long exposure scale
>> + * factor provided by a shift operation in the sensor.
>> + */
>> + while (frameLength > frameLengthMax) {
>> + if (++shift > longExposureShiftMax) {
>> + shift = longExposureShiftMax;
>> + frameLength = frameLengthMax;
>> + break;
>> + }
>> + frameLength >>= 1;
>> + }
>> +
>> + if (shift) {
>> + /* Account for any rounding in the scaled frame length value. */
>> + frameLength <<= shift;
>> + exposureLines = ExposureLines(exposure);
>> + exposureLines = std::min(exposureLines, frameLength - frameIntegrationDiff);
>> + exposure = Exposure(exposureLines);
>> + }
>> +
>> + return frameLength - mode_.height;
>> +}
>> +
>> +void CamHelperImx519::GetDelays(int &exposure_delay, int &gain_delay,
>> + int &vblank_delay) const
>> +{
>> + exposure_delay = 2;
>> + gain_delay = 2;
>> + vblank_delay = 3;
>> +}
>> +
>> +bool CamHelperImx519::SensorEmbeddedDataPresent() const
>> +{
>> + return true;
>> +}
>> +
>> +void CamHelperImx519::PopulateMetadata(const MdParser::RegisterMap ®isters,
>> + Metadata &metadata) const
>> +{
>> + DeviceStatus deviceStatus;
>> +
>> + deviceStatus.shutter_speed = Exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg));
>> + deviceStatus.analogue_gain = Gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg));
>> + deviceStatus.frame_length = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);
>> +
>> + metadata.Set("device.status", deviceStatus);
>> +}
>> +
>> +static CamHelper *Create()
>> +{
>> + return new CamHelperImx519();
>> +}
>> +
>> +static RegisterCamHelper reg("imx519", &Create);
>> diff --git a/src/ipa/raspberrypi/data/imx519.json b/src/ipa/raspberrypi/data/imx519.json
>> new file mode 100644
>> index 00000000..39e788ad
>> --- /dev/null
>> +++ b/src/ipa/raspberrypi/data/imx519.json
>> @@ -0,0 +1,272 @@
>> +{
>> + "rpi.black_level":
>> + {
>> + "black_level": 4096
>> + },
>> + "rpi.dpc":
>> + {
>> + },
>> + "rpi.lux":
>> + {
>> + "reference_shutter_speed": 10812,
>> + "reference_gain": 2.0,
>> + "reference_aperture": 1.0,
>> + "reference_lux": 1250,
>> + "reference_Y": 12737
>> + },
>> + "rpi.noise":
>> + {
>> + "reference_constant": 0,
>> + "reference_slope": 2.91
>> + },
>> + "rpi.geq":
>> + {
>> + "offset": 444,
>> + "slope": 0.00731
>> + },
>> + "rpi.sdn":
>> + {
>> + "deviation":3.7,
>> + "strength":0.75
>> + },
>> + "rpi.awb":
>> + {
>> + "priors":
>> + [
>> + {
>> + "lux": 0, "prior":
>> + [
>> + 2000, 1.0, 3000, 0.0, 13000, 0.0
>> + ]
>> + },
>> + {
>> + "lux": 800, "prior":
>> + [
>> + 2000, 0.0, 6000, 2.0, 13000, 2.0
>> + ]
>> + },
>> + {
>> + "lux": 1500, "prior":
>> + [
>> + 2000, 0.0, 4000, 1.0, 6000, 6.0, 6500, 7.0, 7000, 1.0, 13000, 1.0
>> + ]
>> + }
>> + ],
>> + "modes":
>> + {
>> + "auto":
>> + {
>> + "lo": 2500,
>> + "hi": 8000
>> + },
>> + "incandescent":
>> + {
>> + "lo": 2500,
>> + "hi": 3000
>> + },
>> + "tungsten":
>> + {
>> + "lo": 3000,
>> + "hi": 3500
>> + },
>> + "fluorescent":
>> + {
>> + "lo": 4000,
>> + "hi": 4700
>> + },
>> + "indoor":
>> + {
>> + "lo": 3000,
>> + "hi": 5000
>> + },
>> + "daylight":
>> + {
>> + "lo": 5500,
>> + "hi": 6500
>> + },
>> + "cloudy":
>> + {
>> + "lo": 7000,
>> + "hi": 8600
>> + }
>> + },
>> + "bayes": 0
>
> Just a small thing, but if we're going with the simple grey world
> algorithm it might be worth deleting the other AWB parameters as they
> don't do anything.
>
> And a few final questions:
>
> * Are you planning to upstream an open source driver for the imx519?
> The preference within libcamera (someone will correct me if I'm
> wrong!) is to support sensors where code and drivers are open.
>
> * If you're planning to open-source the driver we'd be pleased to
> receive pull requests into our own Raspberry Pi kernel distribution.
>
> * I assume this is a fairly standard Bayer sensor? If you have a
> working open source driver and can send me a module then I'd be very
> happy to help you further with the json tuning file.
>
> Thanks and best regards
> David
>
>> +
>> + },
>> + "rpi.agc":
>> + {
>> + "metering_modes":
>> + {
>> + "centre-weighted":
>> + {
>> + "weights":
>> + [
>> + 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
>> + ]
>> + },
>> + "spot":
>> + {
>> + "weights":
>> + [
>> + 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
>> + ]
>> + },
>> + "matrix":
>> + {
>> + "weights":
>> + [
>> + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
>> + ]
>> + }
>> + },
>> + "exposure_modes":
>> + {
>> + "normal":
>> + {
>> + "shutter":
>> + [
>> + 100, 10000, 30000, 60000, 120000
>> + ],
>> + "gain":
>> + [
>> + 1.0, 2.0, 4.0, 6.0, 12.0
>> + ]
>> + },
>> + "short":
>> + {
>> + "shutter":
>> + [
>> + 100, 5000, 10000, 20000, 120000
>> + ],
>> + "gain":
>> + [
>> + 1.0, 2.0, 4.0, 6.0, 12.0
>> + ]
>> + }
>> + },
>> + "constraint_modes":
>> + {
>> + "normal":
>> + [
>> + {
>> + "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
>> + [
>> + 0, 0.5, 1000, 0.5
>> + ]
>> + }
>> + ],
>> + "highlight":
>> + [
>> + {
>> + "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
>> + [
>> + 0, 0.5, 1000, 0.5
>> + ]
>> + },
>> + {
>> + "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
>> + [
>> + 0, 0.8, 1000, 0.8
>> + ]
>> + }
>> + ]
>> + },
>> + "y_target":
>> + [
>> + 0, 0.16, 1000, 0.165, 10000, 0.17
>> + ]
>> + },
>> + "rpi.alsc":
>> + {
>> + "omega": 1.3,
>> + "n_iter": 100,
>> + "luminance_strength": 0.5,
>> + "calibrations_Cr":
>> + [
>> + {
>> + "ct": 6500, "table":
>> + [
>> + 2.544, 2.541, 2.531, 2.518, 2.506, 2.495, 2.489, 2.489, 2.489, 2.491, 2.502, 2.511, 2.524, 2.534, 2.542, 2.547,
>> + 2.541, 2.532, 2.521, 2.506, 2.493, 2.479, 2.469, 2.462, 2.462, 2.473, 2.488, 2.502, 2.511, 2.527, 2.536, 2.542,
>> + 2.531, 2.523, 2.506, 2.492, 2.474, 2.458, 2.444, 2.435, 2.435, 2.446, 2.466, 2.481, 2.498, 2.511, 2.526, 2.536,
>> + 2.523, 2.513, 2.492, 2.474, 2.458, 2.438, 2.418, 2.408, 2.408, 2.421, 2.443, 2.463, 2.481, 2.498, 2.517, 2.526,
>> + 2.513, 2.502, 2.481, 2.459, 2.438, 2.418, 2.397, 2.379, 2.379, 2.399, 2.421, 2.443, 2.463, 2.486, 2.506, 2.517,
>> + 2.506, 2.492, 2.469, 2.445, 2.423, 2.397, 2.377, 2.368, 2.369, 2.379, 2.399, 2.427, 2.451, 2.474, 2.495, 2.511,
>> + 2.506, 2.492, 2.469, 2.445, 2.423, 2.397, 2.372, 2.364, 2.364, 2.374, 2.399, 2.427, 2.449, 2.474, 2.495, 2.511,
>> + 2.506, 2.493, 2.474, 2.451, 2.426, 2.401, 2.382, 2.368, 2.369, 2.382, 2.405, 2.431, 2.449, 2.476, 2.497, 2.509,
>> + 2.504, 2.493, 2.475, 2.452, 2.431, 2.412, 2.401, 2.382, 2.382, 2.403, 2.416, 2.438, 2.457, 2.477, 2.497, 2.505,
>> + 2.499, 2.492, 2.474, 2.457, 2.441, 2.431, 2.412, 2.404, 2.404, 2.416, 2.432, 2.447, 2.459, 2.478, 2.495, 2.501,
>> + 2.499, 2.488, 2.473, 2.463, 2.453, 2.441, 2.431, 2.425, 2.425, 2.432, 2.445, 2.459, 2.466, 2.478, 2.491, 2.495,
>> + 2.499, 2.481, 2.472, 2.466, 2.458, 2.449, 2.441, 2.439, 2.439, 2.444, 2.454, 2.464, 2.469, 2.477, 2.484, 2.491
>> + ]
>> + }
>> + ],
>> + "calibrations_Cb":
>> + [
>> + {
>> + "ct": 6500, "table":
>> + [
>> + 1.352, 1.352, 1.349, 1.348, 1.347, 1.346, 1.347, 1.349, 1.351, 1.351, 1.352, 1.353, 1.353, 1.355, 1.358, 1.359,
>> + 1.359, 1.355, 1.352, 1.349, 1.348, 1.348, 1.348, 1.351, 1.352, 1.352, 1.352, 1.354, 1.356, 1.358, 1.361, 1.366,
>> + 1.364, 1.359, 1.355, 1.352, 1.349, 1.349, 1.351, 1.353, 1.353, 1.353, 1.355, 1.356, 1.358, 1.362, 1.366, 1.371,
>> + 1.371, 1.365, 1.359, 1.355, 1.352, 1.352, 1.353, 1.357, 1.357, 1.356, 1.356, 1.359, 1.362, 1.366, 1.371, 1.377,
>> + 1.375, 1.371, 1.365, 1.362, 1.359, 1.359, 1.359, 1.364, 1.364, 1.364, 1.364, 1.365, 1.367, 1.371, 1.377, 1.382,
>> + 1.379, 1.375, 1.371, 1.367, 1.367, 1.367, 1.369, 1.373, 1.374, 1.374, 1.373, 1.373, 1.374, 1.377, 1.382, 1.386,
>> + 1.383, 1.378, 1.374, 1.372, 1.372, 1.372, 1.373, 1.375, 1.378, 1.379, 1.379, 1.379, 1.379, 1.381, 1.386, 1.389,
>> + 1.384, 1.379, 1.376, 1.374, 1.373, 1.373, 1.374, 1.379, 1.379, 1.379, 1.379, 1.379, 1.381, 1.382, 1.386, 1.394,
>> + 1.386, 1.379, 1.376, 1.375, 1.374, 1.374, 1.374, 1.378, 1.378, 1.378, 1.378, 1.379, 1.381, 1.383, 1.386, 1.394,
>> + 1.385, 1.379, 1.376, 1.375, 1.374, 1.374, 1.375, 1.378, 1.378, 1.378, 1.378, 1.379, 1.381, 1.383, 1.387, 1.393,
>> + 1.379, 1.378, 1.375, 1.374, 1.373, 1.374, 1.375, 1.377, 1.378, 1.378, 1.378, 1.379, 1.381, 1.382, 1.386, 1.388,
>> + 1.379, 1.376, 1.374, 1.372, 1.372, 1.374, 1.375, 1.377, 1.378, 1.378, 1.377, 1.378, 1.379, 1.382, 1.384, 1.387
>> + ]
>> + }
>> + ],
>> + "luminance_lut":
>> + [
>> + 3.257, 3.091, 2.639, 2.301, 2.009, 1.795, 1.742, 1.742, 1.742, 1.742, 1.798, 2.011, 2.309, 2.649, 3.109, 3.251,
>> + 3.091, 2.703, 2.311, 2.059, 1.791, 1.631, 1.529, 1.482, 1.482, 1.533, 1.635, 1.791, 2.068, 2.313, 2.719, 3.109,
>> + 2.707, 2.424, 2.059, 1.791, 1.626, 1.429, 1.329, 1.282, 1.282, 1.333, 1.433, 1.629, 1.791, 2.068, 2.438, 2.719,
>> + 2.555, 2.233, 1.889, 1.626, 1.429, 1.321, 1.176, 1.126, 1.126, 1.181, 1.327, 1.433, 1.629, 1.894, 2.241, 2.538,
>> + 2.482, 2.108, 1.775, 1.518, 1.321, 1.176, 1.112, 1.011, 1.012, 1.122, 1.181, 1.327, 1.523, 1.779, 2.113, 2.462,
>> + 2.478, 2.048, 1.719, 1.465, 1.266, 1.112, 1.009, 1.001, 1.007, 1.012, 1.122, 1.274, 1.469, 1.722, 2.051, 2.454,
>> + 2.478, 2.048, 1.719, 1.465, 1.266, 1.112, 1.004, 1.001, 1.001, 1.011, 1.122, 1.274, 1.469, 1.722, 2.051, 2.454,
>> + 2.478, 2.099, 1.768, 1.511, 1.312, 1.163, 1.108, 1.004, 1.008, 1.112, 1.171, 1.321, 1.515, 1.767, 2.097, 2.454,
>> + 2.541, 2.217, 1.877, 1.614, 1.417, 1.312, 1.163, 1.112, 1.112, 1.171, 1.317, 1.421, 1.616, 1.874, 2.214, 2.516,
>> + 2.686, 2.404, 2.046, 1.779, 1.614, 1.417, 1.317, 1.267, 1.267, 1.319, 1.421, 1.614, 1.773, 2.039, 2.399, 2.669,
>> + 3.063, 2.678, 2.292, 2.046, 1.779, 1.622, 1.521, 1.469, 1.469, 1.519, 1.622, 1.773, 2.038, 2.277, 2.669, 3.049,
>> + 3.224, 3.063, 2.616, 2.285, 1.995, 1.781, 1.725, 1.723, 1.723, 1.723, 1.777, 1.984, 2.271, 2.598, 3.049, 3.187
>> + ],
>> + "sigma": 0.005,
>> + "sigma_Cb": 0.005
>> + },
>> + "rpi.contrast":
>> + {
>> + "ce_enable": 1,
>> + "gamma_curve":
>> + [
>> + 0, 0, 1024, 5040, 2048, 9338, 3072, 12356, 4096, 15312, 5120, 18051, 6144, 20790, 7168, 23193,
>> + 8192, 25744, 9216, 27942, 10240, 30035, 11264, 32005, 12288, 33975, 13312, 35815, 14336, 37600, 15360, 39168,
>> + 16384, 40642, 18432, 43379, 20480, 45749, 22528, 47753, 24576, 49621, 26624, 51253, 28672, 52698, 30720, 53796,
>> + 32768, 54876, 36864, 57012, 40960, 58656, 45056, 59954, 49152, 61183, 53248, 62355, 57344, 63419, 61440, 64476,
>> + 65535, 65535
>> + ]
>> + },
>> + "rpi.ccm":
>> + {
>> + "ccms":
>> + [
>> + {
>> + "ct": 5500, "ccm":
>> + [
>> + 1.40348, -0.45861, 0.05512, -0.24419, 1.25488, -0.01068, -0.08564, -0.31571, 1.40135
>> + ]
>> + }
>> + ]
>> + },
>> + "rpi.sharpen":
>> + {
>> + "threshold":1.5,
>> + "strength":0.5,
>> + "limit":0.2
>> + }
>> +}
>> diff --git a/src/ipa/raspberrypi/data/meson.build b/src/ipa/raspberrypi/data/meson.build
>> index 2def75cb..e84cd099 100644
>> --- a/src/ipa/raspberrypi/data/meson.build
>> +++ b/src/ipa/raspberrypi/data/meson.build
>> @@ -7,6 +7,7 @@ conf_files = files([
>> 'imx378.json',
>> 'imx477.json',
>> 'imx477_noir.json',
>> + 'imx519.json',
>> 'ov5647.json',
>> 'ov5647_noir.json',
>> 'ov9281.json',
>> diff --git a/src/ipa/raspberrypi/meson.build b/src/ipa/raspberrypi/meson.build
>> index 1af31e4a..176055f4 100644
>> --- a/src/ipa/raspberrypi/meson.build
>> +++ b/src/ipa/raspberrypi/meson.build
>> @@ -22,6 +22,7 @@ rpi_ipa_sources = files([
>> 'cam_helper_imx219.cpp',
>> 'cam_helper_imx290.cpp',
>> 'cam_helper_imx477.cpp',
>> + 'cam_helper_imx519.cpp',
>> 'cam_helper_ov9281.cpp',
>> 'controller/controller.cpp',
>> 'controller/histogram.cpp',
>> --
>> 2.17.1
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