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[153.246.134.249]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c0c26eb0f6bsm3317282a12.14.2025.12.11.16.34.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Dec 2025 16:34:38 -0800 (PST) From: Bryan O'Donoghue To: libcamera-devel@lists.libcamera.org Cc: pavel@ucw.cz, Bryan O'Donoghue , Hans de Goede , Milan Zamazal Subject: [PATCH v8 25/26] libcamera: software_isp: lut: Change default Gamma to 1.0/2.2 Date: Fri, 12 Dec 2025 00:29:36 +0000 Message-ID: <20251212002937.3118-26-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251212002937.3118-1-bryan.odonoghue@linaro.org> References: <20251212002937.3118-1-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. Reviewed-by: Hans de Goede Reviewed-by: Milan Zamazal 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 adf411768..618219b17 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);