ipa: raspberrypi: Extract line length from the embedded data parser

Update the imx219, imx477 and imx519 parsers to extract the line length
values from the embedded data stream and use these values in the
deviceStatus metadata, replacing the DelayedControls provided values.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Tested-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/src/ipa/raspberrypi/cam_helper_imx519.cpp b/src/ipa/raspberrypi/cam_helper_imx519.cpp
index d2eb1719..c7262aa0 100644
--- a/src/ipa/raspberrypi/cam_helper_imx519.cpp
+++ b/src/ipa/raspberrypi/cam_helper_imx519.cpp
@@ -36,8 +36,11 @@ constexpr uint32_t gainHiReg = 0x0204;
 constexpr uint32_t gainLoReg = 0x0205;
 constexpr uint32_t frameLengthHiReg = 0x0340;
 constexpr uint32_t frameLengthLoReg = 0x0341;
+constexpr uint32_t lineLengthHiReg = 0x0342;
+constexpr uint32_t lineLengthLoReg = 0x0343;
 constexpr std::initializer_list<uint32_t> registerList =
-	{ expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg  };
+	{ expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg,
+	  lineLengthHiReg, lineLengthLoReg };
 
 class CamHelperImx519 : public CamHelper
 {
@@ -175,8 +178,10 @@ void CamHelperImx519::populateMetadata(const MdParser::RegisterMap &registers,
 {
 	DeviceStatus deviceStatus;
 
+	deviceStatus.lineLength = lineLengthPckToDuration(registers.at(lineLengthHiReg) * 256 +
+							  registers.at(lineLengthLoReg));
 	deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg),
-					     mode_.minLineLength);
+					     deviceStatus.lineLength);
 	deviceStatus.analogueGain = gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg));
 	deviceStatus.frameLength = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);