From 4b2515899cb01c2fd99769a94b3221058279fc1d Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Tue, 15 Mar 2022 15:34:06 +0200
Subject: ipa: ipu3: agc: Reset frame count when configuring AGC

The frame count is used to skip the gain and exposure filtering when
starting. It thus needs to be reset when configuring the algorithm, to
avoid slower convergence when stopping and restarting.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
 src/ipa/ipu3/algorithms/agc.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src')

diff --git a/src/ipa/ipu3/algorithms/agc.cpp b/src/ipa/ipu3/algorithms/agc.cpp
index 1eb1bcef..70cff3fe 100644
--- a/src/ipa/ipu3/algorithms/agc.cpp
+++ b/src/ipa/ipu3/algorithms/agc.cpp
@@ -102,6 +102,7 @@ int Agc::configure(IPAContext &context,
 	frameContext.agc.gain = std::max(minAnalogueGain_, kMinAnalogueGain);
 	frameContext.agc.exposure = 10ms / configuration.sensor.lineDuration;
 
+	frameCount_ = 0;
 	return 0;
 }
 
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