1 files changed, 27 insertions, 0 deletions
diff --git a/src/ipa/raspberrypi/controller/alsc_status.h b/src/ipa/raspberrypi/controller/alsc_status.h
new file mode 100644
index 00000000..d3f57971
--- /dev/null
+++ b/src/ipa/raspberrypi/controller/alsc_status.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi (Trading) Limited
+ *
+ * alsc_status.h - ALSC (auto lens shading correction) control algorithm status
+ */
+#pragma once
+
+// The ALSC algorithm should post the following structure into the image's
+// "alsc.status" metadata.
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define ALSC_CELLS_X 16
+#define ALSC_CELLS_Y 12
+
+struct AlscStatus {
+	double r[ALSC_CELLS_Y][ALSC_CELLS_X];
+	double g[ALSC_CELLS_Y][ALSC_CELLS_X];
+	double b[ALSC_CELLS_Y][ALSC_CELLS_X];
+};
+
+#ifdef __cplusplus
+}
+#endif