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ipa: rpi: vd56g3: Fix frameIntegrationDiff value

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In the vd56g3 user manual :

  MAX_EXPOSURE_COARSE = FRAME_LENGTH − EXP_COARSE_INTG_MARGIN − 7
  EXP_COARSE_INTG_MARGIN >= 68

Therefore, frameIntegrationDiff is EXP_COARSE_INTG_MARGIN + 7, equals
75. This value is coherent with the VD56G3_EXPOSURE_MARGIN in the kernel
driver source code.

Reported-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Benjamin Mugnier
2025-10-28 09:46:50 +01:00
committed by Kieran Bingham
parent 6a393789f3
commit b1f09c013a
1 changed files with 1 additions and 1 deletions
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src/ipa/rpi/cam_helper/cam_helper_vd56g3.cpp
+1 -1
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@@ -23,7 +23,7 @@ private:
* Smallest difference between the frame length and integration time,
* in units of lines.
*/
static constexpr int frameIntegrationDiff = 61;
static constexpr int frameIntegrationDiff = 75;
};
CamHelperVd56g3::CamHelperVd56g3()