[libcamera-devel] [PATCH 1/2] ipa: rkisp1: Drop private exposure and gain limits

Umang Jain umang.jain at ideasonboard.com
Tue Mar 8 10:15:19 CET 2022


The private members of exposure and gain limits can be dropped
from IPARkISP1 since they are not used class-wide and can be easily
replaced by local counter-parts.

In case they are required to be widely available, these should then
sit in IPASessionConfiguration.

Signed-off-by: Umang Jain <umang.jain at ideasonboard.com>
---
 src/ipa/rkisp1/rkisp1.cpp | 24 ++++++++++--------------
 1 file changed, 10 insertions(+), 14 deletions(-)

diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp
index 2d79f15f..129afddd 100644
--- a/src/ipa/rkisp1/rkisp1.cpp
+++ b/src/ipa/rkisp1/rkisp1.cpp
@@ -69,10 +69,6 @@ private:
 
 	/* Camera sensor controls. */
 	bool autoExposure_;
-	uint32_t minExposure_;
-	uint32_t maxExposure_;
-	uint32_t minGain_;
-	uint32_t maxGain_;
 
 	/* revision-specific data */
 	rkisp1_cif_isp_version hwRevision_;
@@ -166,15 +162,15 @@ int IPARkISP1::configure([[maybe_unused]] const IPACameraSensorInfo &info,
 
 	autoExposure_ = true;
 
-	minExposure_ = itExp->second.min().get<int32_t>();
-	maxExposure_ = itExp->second.max().get<int32_t>();
+	int32_t minExposure = itExp->second.min().get<int32_t>();
+	int32_t maxExposure = itExp->second.max().get<int32_t>();
 
-	minGain_ = itGain->second.min().get<int32_t>();
-	maxGain_ = itGain->second.max().get<int32_t>();
+	int32_t minGain = itGain->second.min().get<int32_t>();
+	int32_t maxGain = itGain->second.max().get<int32_t>();
 
 	LOG(IPARkISP1, Info)
-		<< "Exposure: " << minExposure_ << "-" << maxExposure_
-		<< " Gain: " << minGain_ << "-" << maxGain_;
+		<< "Exposure: " << minExposure << "-" << maxExposure
+		<< " Gain: " << minGain << "-" << maxGain;
 
 	/* Clean context at configuration */
 	context_ = {};
@@ -191,10 +187,10 @@ int IPARkISP1::configure([[maybe_unused]] const IPACameraSensorInfo &info,
 	 *
 	 * \todo take VBLANK into account for maximum shutter speed
 	 */
-	context_.configuration.agc.minShutterSpeed = minExposure_ * context_.configuration.sensor.lineDuration;
-	context_.configuration.agc.maxShutterSpeed = maxExposure_ * context_.configuration.sensor.lineDuration;
-	context_.configuration.agc.minAnalogueGain = camHelper_->gain(minGain_);
-	context_.configuration.agc.maxAnalogueGain = camHelper_->gain(maxGain_);
+	context_.configuration.agc.minShutterSpeed = minExposure * context_.configuration.sensor.lineDuration;
+	context_.configuration.agc.maxShutterSpeed = maxExposure * context_.configuration.sensor.lineDuration;
+	context_.configuration.agc.minAnalogueGain = camHelper_->gain(minGain);
+	context_.configuration.agc.maxAnalogueGain = camHelper_->gain(maxGain);
 
 	for (auto const &algo : algorithms_) {
 		int ret = algo->configure(context_, info);
-- 
2.31.1



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