original_kernel/drivers/hid/hid-roccat-common.h

#ifndef __HID_ROCCAT_COMMON_H
#define __HID_ROCCAT_COMMON_H

/*
 * Copyright (c) 2011 Stefan Achatz <erazor_de@users.sourceforge.net>
 */

/*
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 */

#include <linux/usb.h>
#include <linux/types.h>

enum roccat_common_commands {
	ROCCAT_COMMON_COMMAND_CONTROL = 0x4,
};

struct roccat_common_control {
	uint8_t command;
	uint8_t value;
	uint8_t request; /* always 0 on requesting write check */
} __packed;

int roccat_common_receive(struct usb_device *usb_dev, uint report_id,
		void *data, uint size);
int roccat_common_send(struct usb_device *usb_dev, uint report_id,
		void const *data, uint size);
int roccat_common_send_with_status(struct usb_device *usb_dev,
		uint command, void const *buf, uint size);

#endif