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{
    "id": 26812,
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    "msgid": "<20260528071909.547179-1-shaunakkdatar@gmail.com>",
    "date": "2026-05-28T07:19:09",
    "name": "ipa: libipa: Handle missing YAML nodes in Interpolator",
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        "name": "Shaunak Datar",
        "email": "shaunakkdatar@gmail.com"
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            "date": "2026-05-28T07:19:09",
            "name": "ipa: libipa: Handle missing YAML nodes in Interpolator",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/5969/mbox/"
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    "comments": "https://patchwork.libcamera.org/api/patches/26812/comments/",
    "check": "pending",
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        "From": "Shaunak Datar <shaunakkdatar@gmail.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Shaunak Datar <shaunakkdatar@gmail.com>",
        "Subject": "[PATCH] ipa: libipa: Handle missing YAML nodes in Interpolator",
        "Date": "Thu, 28 May 2026 12:49:09 +0530",
        "Message-ID": "<20260528071909.547179-1-shaunakkdatar@gmail.com>",
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        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Interpolator::readYaml() currently logs an error when passed an empty\nYAML object because it expects the node to always be a list.\n\nOptional tuning parameters such as colourGains in the AWB Grey algorithm\nmay be absent from the tuning files. rkisp1 uses tuning files without a\ncolourGains section.\n\nReturn -ENOENT for empty YAML nodes before validating the node to avoid\nERROR logs while still reporting a warning to the caller.\n\nFixes: #323\n\nSigned-off-by: Shaunak Datar <shaunakkdatar@gmail.com>\n---\n src/ipa/libipa/interpolator.h | 3 +++\n 1 file changed, 3 insertions(+)",
    "diff": "diff --git a/src/ipa/libipa/interpolator.h b/src/ipa/libipa/interpolator.h\nindex cc4b27b5..01bd8140 100644\n--- a/src/ipa/libipa/interpolator.h\n+++ b/src/ipa/libipa/interpolator.h\n@@ -46,6 +46,9 @@ public:\n \t\tdata_.clear();\n \t\tlastInterpolatedKey_.reset();\n \n+\t\tif (yaml.isEmpty())\n+\t\t\treturn -ENOENT;\n+\n \t\tif (!yaml.isList()) {\n \t\t\tLOG(Interpolator, Error) << \"yaml object must be a list\";\n \t\t\treturn -EINVAL;\n",
    "prefixes": []
}