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diff --git a/include/linux/platform_data/max197.h b/include/linux/platform_data/max197.h
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+/*
+ * Maxim MAX197 A/D Converter Driver
+ *
+ * Copyright (c) 2012 Savoir-faire Linux Inc.
+ * Vivien Didelot <vivien.didelot@savoirfairelinux.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * For further information, see the Documentation/hwmon/max197 file.
+ */
+
+/**
+ * struct max197_platform_data - MAX197 connectivity info
+ * @convert: Function used to start a conversion with control byte ctrl.
+ * It must return the raw data, or a negative error code.
+ */
+struct max197_platform_data {
+ int (*convert)(u8 ctrl);
+};