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{
    "id": 25598,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/25598/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/25598/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
        "list_email": "libcamera-devel@lists.libcamera.org",
        "web_url": "",
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        "webscm_url": ""
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    "msgid": "<20251217100138.82525-26-bryan.odonoghue@linaro.org>",
    "date": "2025-12-17T10:01:37",
    "name": "[v9,25/26] libcamera: software_isp: lut: Change default Gamma to 1.0/2.2",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "a52a760a5e30db3ecc175e5e97f0de71079d229b",
    "submitter": {
        "id": 175,
        "url": "https://patchwork.libcamera.org/api/1.1/people/175/?format=api",
        "name": "Bryan O'Donoghue",
        "email": "bryan.odonoghue@linaro.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/25598/mbox/",
    "series": [
        {
            "id": 5669,
            "url": "https://patchwork.libcamera.org/api/1.1/series/5669/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5669",
            "date": "2025-12-17T10:01:12",
            "name": "Add GLES 2.0 GPUISP to libcamera",
            "version": 9,
            "mbox": "https://patchwork.libcamera.org/series/5669/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/25598/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/25598/checks/",
    "tags": {},
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        "From": "Bryan O'Donoghue <bryan.odonoghue@linaro.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "pavel@ucw.cz, Bryan O'Donoghue <bryan.odonoghue@linaro.org>,\n\tHans de Goede <johannes.goede@oss.qualcomm.com>,\n\tMilan Zamazal <mzamazal@redhat.com>",
        "Subject": "[PATCH v9 25/26] libcamera: software_isp: lut: Change default Gamma\n\tto 1.0/2.2",
        "Date": "Wed, 17 Dec 2025 10:01:37 +0000",
        "Message-ID": "<20251217100138.82525-26-bryan.odonoghue@linaro.org>",
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        "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\nReviewed-by: Hans de Goede <johannes.goede@oss.qualcomm.com>\nReviewed-by: Milan Zamazal <mzamazal@redhat.com>\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 adf411768..bd0d308be 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": [
        "v9",
        "25/26"
    ]
}