From 5aff27a20d718b05d20b9ce63d8b02a0b3bf9cb9 Mon Sep 17 00:00:00 2001
From: Naushir Patuck <naush@raspberrypi.com>
Date: Tue, 16 Feb 2021 08:55:05 +0000
Subject: ipa: raspberrypi: Fix exposure and gain delays for imx477
The exposure and gain delays for imx477 are both 2 frames. This error
was not noticeable because the controller was using the embedded
metadata to get the exposure and gain values for the frame.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Tested-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
src/ipa/raspberrypi/cam_helper_imx477.cpp | 7 +++++++
1 file changed, 7 insertions(+)
(limited to 'src')
diff --git a/src/ipa/raspberrypi/cam_helper_imx477.cpp b/src/ipa/raspberrypi/cam_helper_imx477.cpp
index eaa7be16..419f8e77 100644
--- a/src/ipa/raspberrypi/cam_helper_imx477.cpp
+++ b/src/ipa/raspberrypi/cam_helper_imx477.cpp
@@ -37,6 +37,7 @@ public:
CamHelperImx477();
uint32_t GainCode(double gain) const override;
double Gain(uint32_t gain_code) const override;
+ void GetDelays(int &exposure_delay, int &gain_delay) const override;
bool SensorEmbeddedDataPresent() const override;
private:
@@ -62,6 +63,12 @@ double CamHelperImx477::Gain(uint32_t gain_code) const
return 1024.0 / (1024 - gain_code);
}
+void CamHelperImx477::GetDelays(int &exposure_delay, int &gain_delay) const
+{
+ exposure_delay = 2;
+ gain_delay = 2;
+}
+
bool CamHelperImx477::SensorEmbeddedDataPresent() const
{
return true;
--
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