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\n\tTue, 06 Jan 2026 09:01:28 -0800 (PST)","From":"Bryan O'Donoghue ","To":"libcamera-devel@lists.libcamera.org","Cc":"pavel@ucw.cz, Bryan O'Donoghue ,\n\tHans de Goede ,\n\tMilan Zamazal ","Subject":"[PATCH v11 21/24] libcamera: software_isp: lut: Change default Gamma\n\tto 1.0/2.2","Date":"Tue, 6 Jan 2026 17:00:56 +0000","Message-ID":"<20260106170059.56193-22-bryan.odonoghue@linaro.org>","X-Mailer":"git-send-email 2.52.0","In-Reply-To":"<20260106170059.56193-1-bryan.odonoghue@linaro.org>","References":"<20260106170059.56193-1-bryan.odonoghue@linaro.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Change the default softisp Gamma from 0.5 to 1.0/2.2.\n\nReviewed-by: Hans de Goede \nReviewed-by: Milan Zamazal \nSigned-off-by: Bryan O'Donoghue \n---\n src/ipa/simple/algorithms/lut.cpp | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)","diff":"diff --git a/src/ipa/simple/algorithms/lut.cpp b/src/ipa/simple/algorithms/lut.cpp\nindex 7418daa1e..54cb804e7 100644\n--- a/src/ipa/simple/algorithms/lut.cpp\n+++ b/src/ipa/simple/algorithms/lut.cpp\n@@ -35,7 +35,7 @@ int Lut::configure(IPAContext &context,\n \t\t [[maybe_unused]] const IPAConfigInfo &configInfo)\n {\n \t/* Gamma value is fixed */\n-\tcontext.configuration.gamma = 0.5;\n+\tcontext.configuration.gamma = 1.0 / 2.2;\n \tcontext.activeState.knobs.contrast = std::optional();\n \tupdateGammaTable(context);\n \n","prefixes":["v11","21/24"]}