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ipa: raspberrypi: Fix exposure and gain delays for imx477

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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>
This commit is contained in:
Naushir Patuck
2021-02-16 08:55:05 +00:00
committed by Laurent Pinchart
parent 0e2ca7256b
commit 5aff27a20d
1 changed files with 7 additions and 0 deletions
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7
src/ipa/raspberrypi/cam_helper_imx477.cpp
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@@ -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;