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[188.141.3.146]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47926f0ec69sm19383375e9.1.2025.12.02.05.46.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Dec 2025 05:46:23 -0800 (PST) From: Bryan O'Donoghue To: libcamera-devel@lists.libcamera.org Cc: pavel@ucw.cz, Bryan O'Donoghue Subject: [PATCH v6 22/24] libcamera: software_isp: lut: Change default Gamma to 1.0/2.2 Date: Tue, 2 Dec 2025 13:45:42 +0000 Message-ID: <20251202134544.662446-23-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251202134544.662446-1-bryan.odonoghue@linaro.org> References: <20251202134544.662446-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" Change the default softisp Gamma from 0.5 to 1.0/2.2. Signed-off-by: Bryan O'Donoghue --- src/ipa/simple/algorithms/lut.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/ipa/simple/algorithms/lut.cpp b/src/ipa/simple/algorithms/lut.cpp index 9aaab54f1..7f223e812 100644 --- a/src/ipa/simple/algorithms/lut.cpp +++ b/src/ipa/simple/algorithms/lut.cpp @@ -35,7 +35,7 @@ int Lut::configure(IPAContext &context, [[maybe_unused]] const IPAConfigInfo &configInfo) { /* Gamma value is fixed */ - context.configuration.gamma = 0.5; + context.configuration.gamma = 1.0/2.2; context.activeState.knobs.contrast = std::optional(); updateGammaTable(context);