From aad674c54445e98e27da262ed805518701c57d6c Mon Sep 17 00:00:00 2001
From: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Date: Thu, 18 Nov 2021 16:52:48 +0100
Subject: libipa: Correct IMX219 in CameraSensorHelper

The equation is badly reported in the CameraSensorHelper, as m1 and c0
are inverted. Correct it to have a proper gain calculation.

Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 src/ipa/libipa/camera_sensor_helper.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/ipa')

diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp
index 0b0eb503..5d052612 100644
--- a/src/ipa/libipa/camera_sensor_helper.cpp
+++ b/src/ipa/libipa/camera_sensor_helper.cpp
@@ -290,7 +290,7 @@ class CameraSensorHelperImx219 : public CameraSensorHelper
 public:
 	CameraSensorHelperImx219()
 	{
-		analogueGainConstants_ = { AnalogueGainLinear, 0, -1, 256, 256 };
+		analogueGainConstants_ = { AnalogueGainLinear, 0, 256, -1, 256 };
 	}
 };
 REGISTER_CAMERA_SENSOR_HELPER("imx219", CameraSensorHelperImx219)
-- 
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