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\n\tTue, 02 Dec 2025 05:46:24 -0800 (PST)","From":"Bryan O'Donoghue <bryan.odonoghue@linaro.org>","To":"libcamera-devel@lists.libcamera.org","Cc":"pavel@ucw.cz,\n\tBryan O'Donoghue <bryan.odonoghue@linaro.org>","Subject":"[PATCH v6 22/24] libcamera: software_isp: lut: Change default Gamma\n\tto 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","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"},"content":"Change the default softisp Gamma from 0.5 to 1.0/2.2.\n\nSigned-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>\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 9aaab54f1..7f223e812 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<double>();\n \tupdateGammaTable(context);\n \n","prefixes":["v6","22/24"]}