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Diffstat (limited to 'src/ipa/libipa/awb_grey.h')
-rw-r--r--src/ipa/libipa/awb_grey.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ipa/libipa/awb_grey.h b/src/ipa/libipa/awb_grey.h
index 7ec7bfa5..f82a368d 100644
--- a/src/ipa/libipa/awb_grey.h
+++ b/src/ipa/libipa/awb_grey.h
@@ -25,7 +25,7 @@ public:
int init(const YamlObject &tuningData) override;
AwbResult calculateAwb(const AwbStats &stats, unsigned int lux) override;
- RGB<double> gainsFromColourTemperature(double colourTemperature) override;
+ std::optional<RGB<double>> gainsFromColourTemperature(double colourTemperature) override;
private:
std::optional<Interpolator<Vector<double, 2>>> colourGainCurve_;