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Commit 71304f5a authored by Stefan Achatz's avatar Stefan Achatz Committed by Jiri Kosina
Browse files

HID: roccat: generalize some common code 



Reduced some duplicate code by moving it to hid-roccat-common.

Signed-off-by: default avatarStefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 14fc4290

drivers/hid/hid-roccat-common.c

+53 −0
Original line number Diff line number Diff line
@@ -122,6 +122,59 @@ int roccat_common2_send_with_status(struct usb_device *usb_dev, 
}

EXPORT_SYMBOL_GPL(roccat_common2_send_with_status);



int roccat_common2_device_init_struct(struct usb_device *usb_dev,

		struct roccat_common2_device *dev)

{

	mutex_init(&dev->lock);

	return 0;

}

EXPORT_SYMBOL_GPL(roccat_common2_device_init_struct);



ssize_t roccat_common2_sysfs_read(struct file *fp, struct kobject *kobj,

		char *buf, loff_t off, size_t count,

		size_t real_size, uint command)

{

	struct device *dev =

			container_of(kobj, struct device, kobj)->parent->parent;

	struct roccat_common2_device *roccat_dev = hid_get_drvdata(dev_get_drvdata(dev));

	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));

	int retval;



	if (off >= real_size)

		return 0;



	if (off != 0 || count != real_size)

		return -EINVAL;



	mutex_lock(&roccat_dev->lock);

	retval = roccat_common2_receive(usb_dev, command, buf, real_size);

	mutex_unlock(&roccat_dev->lock);



	return retval ? retval : real_size;

}

EXPORT_SYMBOL_GPL(roccat_common2_sysfs_read);



ssize_t roccat_common2_sysfs_write(struct file *fp, struct kobject *kobj,

		void const *buf, loff_t off, size_t count,

		size_t real_size, uint command)

{

	struct device *dev =

			container_of(kobj, struct device, kobj)->parent->parent;

	struct roccat_common2_device *roccat_dev = hid_get_drvdata(dev_get_drvdata(dev));

	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));

	int retval;



	if (off != 0 || count != real_size)

		return -EINVAL;



	mutex_lock(&roccat_dev->lock);

	retval = roccat_common2_send_with_status(usb_dev, command, buf, real_size);

	mutex_unlock(&roccat_dev->lock);



	return retval ? retval : real_size;

}

EXPORT_SYMBOL_GPL(roccat_common2_sysfs_write);



MODULE_AUTHOR("Stefan Achatz");

MODULE_DESCRIPTION("USB Roccat common driver");

MODULE_LICENSE("GPL v2");

drivers/hid/hid-roccat-common.h

+62 −0
Original line number Diff line number Diff line
@@ -32,4 +32,66 @@ int roccat_common2_send(struct usb_device *usb_dev, uint report_id, 
int roccat_common2_send_with_status(struct usb_device *usb_dev,

		uint command, void const *buf, uint size);



struct roccat_common2_device {

	int roccat_claimed;

	int chrdev_minor;

	struct mutex lock;

};



int roccat_common2_device_init_struct(struct usb_device *usb_dev,

		struct roccat_common2_device *dev);

ssize_t roccat_common2_sysfs_read(struct file *fp, struct kobject *kobj,

		char *buf, loff_t off, size_t count,

		size_t real_size, uint command);

ssize_t roccat_common2_sysfs_write(struct file *fp, struct kobject *kobj,

		void const *buf, loff_t off, size_t count,

		size_t real_size, uint command);



#define ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \

static ssize_t roccat_common2_sysfs_write_ ## thingy(struct file *fp, \

		struct kobject *kobj, struct bin_attribute *attr, char *buf, \

		loff_t off, size_t count) \

{ \

	return roccat_common2_sysfs_write(fp, kobj, buf, off, count, \

			SIZE, COMMAND); \

}



#define ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE) \

static ssize_t roccat_common2_sysfs_read_ ## thingy(struct file *fp, \

		struct kobject *kobj, struct bin_attribute *attr, char *buf, \

		loff_t off, size_t count) \

{ \

	return roccat_common2_sysfs_read(fp, kobj, buf, off, count, \

			SIZE, COMMAND); \

}



#define ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE) \

ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \

ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE)



#define ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(thingy, COMMAND, SIZE) \

ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE); \

static struct bin_attribute bin_attr_ ## thingy = { \

	.attr = { .name = #thingy, .mode = 0660 }, \

	.size = SIZE, \

	.read = roccat_common2_sysfs_read_ ## thingy, \

	.write = roccat_common2_sysfs_write_ ## thingy \

}



#define ROCCAT_COMMON2_BIN_ATTRIBUTE_R(thingy, COMMAND, SIZE) \

ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE); \

static struct bin_attribute bin_attr_ ## thingy = { \

	.attr = { .name = #thingy, .mode = 0440 }, \

	.size = SIZE, \

	.read = roccat_common2_sysfs_read_ ## thingy, \

}



#define ROCCAT_COMMON2_BIN_ATTRIBUTE_W(thingy, COMMAND, SIZE) \

ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE); \

static struct bin_attribute bin_attr_ ## thingy = { \

	.attr = { .name = #thingy, .mode = 0220 }, \

	.size = SIZE, \

	.write = roccat_common2_sysfs_write_ ## thingy \

}



#endif

drivers/hid/hid-roccat-konepure.c

+36 −122
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
 * Roccat KonePure is a smaller version of KoneXTD with less buttons and lights.

 */



#include <linux/types.h>

#include <linux/device.h>

#include <linux/input.h>

#include <linux/hid.h>
@@ -23,128 +24,50 @@ 
#include <linux/hid-roccat.h>

#include "hid-ids.h"

#include "hid-roccat-common.h"

#include "hid-roccat-konepure.h"



static struct class *konepure_class;



static ssize_t konepure_sysfs_read(struct file *fp, struct kobject *kobj,

		char *buf, loff_t off, size_t count,

		size_t real_size, uint command)

{

	struct device *dev =

			container_of(kobj, struct device, kobj)->parent->parent;

	struct konepure_device *konepure = hid_get_drvdata(dev_get_drvdata(dev));

	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));

	int retval;



	if (off >= real_size)

		return 0;



	if (off != 0 || count != real_size)

		return -EINVAL;



	mutex_lock(&konepure->konepure_lock);

	retval = roccat_common2_receive(usb_dev, command, buf, real_size);

	mutex_unlock(&konepure->konepure_lock);



	return retval ? retval : real_size;

}



static ssize_t konepure_sysfs_write(struct file *fp, struct kobject *kobj,

		void const *buf, loff_t off, size_t count,

		size_t real_size, uint command)

{

	struct device *dev =

			container_of(kobj, struct device, kobj)->parent->parent;

	struct konepure_device *konepure = hid_get_drvdata(dev_get_drvdata(dev));

	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));

	int retval;



	if (off != 0 || count != real_size)

		return -EINVAL;



	mutex_lock(&konepure->konepure_lock);

	retval = roccat_common2_send_with_status(usb_dev, command,

			(void *)buf, real_size);

	mutex_unlock(&konepure->konepure_lock);



	return retval ? retval : real_size;

}



#define KONEPURE_SYSFS_W(thingy, THINGY) \

static ssize_t konepure_sysfs_write_ ## thingy(struct file *fp, \

		struct kobject *kobj, struct bin_attribute *attr, char *buf, \

		loff_t off, size_t count) \

{ \

	return konepure_sysfs_write(fp, kobj, buf, off, count, \

			KONEPURE_SIZE_ ## THINGY, KONEPURE_COMMAND_ ## THINGY); \

}



#define KONEPURE_SYSFS_R(thingy, THINGY) \

static ssize_t konepure_sysfs_read_ ## thingy(struct file *fp, \

		struct kobject *kobj, struct bin_attribute *attr, char *buf, \

		loff_t off, size_t count) \

{ \

	return konepure_sysfs_read(fp, kobj, buf, off, count, \

			KONEPURE_SIZE_ ## THINGY, KONEPURE_COMMAND_ ## THINGY); \

}

enum {

	KONEPURE_MOUSE_REPORT_NUMBER_BUTTON = 3,

};



#define KONEPURE_SYSFS_RW(thingy, THINGY) \

KONEPURE_SYSFS_W(thingy, THINGY) \

KONEPURE_SYSFS_R(thingy, THINGY)



#define KONEPURE_BIN_ATTRIBUTE_RW(thingy, THINGY) \

KONEPURE_SYSFS_RW(thingy, THINGY); \

static struct bin_attribute bin_attr_##thingy = { \

	.attr = { .name = #thingy, .mode = 0660 }, \

	.size = KONEPURE_SIZE_ ## THINGY, \

	.read = konepure_sysfs_read_ ## thingy, \

	.write = konepure_sysfs_write_ ## thingy \

}

struct konepure_mouse_report_button {

	uint8_t report_number; /* always KONEPURE_MOUSE_REPORT_NUMBER_BUTTON */

	uint8_t zero;

	uint8_t type;

	uint8_t data1;

	uint8_t data2;

	uint8_t zero2;

	uint8_t unknown[2];

} __packed;



#define KONEPURE_BIN_ATTRIBUTE_R(thingy, THINGY) \

KONEPURE_SYSFS_R(thingy, THINGY); \

static struct bin_attribute bin_attr_##thingy = { \

	.attr = { .name = #thingy, .mode = 0440 }, \

	.size = KONEPURE_SIZE_ ## THINGY, \

	.read = konepure_sysfs_read_ ## thingy, \

}



#define KONEPURE_BIN_ATTRIBUTE_W(thingy, THINGY) \

KONEPURE_SYSFS_W(thingy, THINGY); \

static struct bin_attribute bin_attr_##thingy = { \

	.attr = { .name = #thingy, .mode = 0220 }, \

	.size = KONEPURE_SIZE_ ## THINGY, \

	.write = konepure_sysfs_write_ ## thingy \

}

static struct class *konepure_class;



KONEPURE_BIN_ATTRIBUTE_RW(actual_profile, ACTUAL_PROFILE);

KONEPURE_BIN_ATTRIBUTE_RW(info, INFO);

KONEPURE_BIN_ATTRIBUTE_RW(sensor, SENSOR);

KONEPURE_BIN_ATTRIBUTE_RW(tcu, TCU);

KONEPURE_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);

KONEPURE_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);

KONEPURE_BIN_ATTRIBUTE_W(control, CONTROL);

KONEPURE_BIN_ATTRIBUTE_W(talk, TALK);

KONEPURE_BIN_ATTRIBUTE_W(macro, MACRO);

KONEPURE_BIN_ATTRIBUTE_R(tcu_image, TCU_IMAGE);



static struct bin_attribute *konepure_bin_attributes[] = {

ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03);

ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(actual_profile, 0x05, 0x03);

ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_settings, 0x06, 0x1f);

ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_buttons, 0x07, 0x3b);

ROCCAT_COMMON2_BIN_ATTRIBUTE_W(macro, 0x08, 0x0822);

ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(info, 0x09, 0x06);

ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(tcu, 0x0c, 0x04);

ROCCAT_COMMON2_BIN_ATTRIBUTE_R(tcu_image, 0x0c, 0x0404);

ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0x0f, 0x06);

ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x10, 0x10);



static struct bin_attribute *konepure_bin_attrs[] = {

	&bin_attr_actual_profile,

	&bin_attr_control,

	&bin_attr_info,

	&bin_attr_talk,

	&bin_attr_macro,

	&bin_attr_sensor,

	&bin_attr_tcu,

	&bin_attr_tcu_image,

	&bin_attr_profile_settings,

	&bin_attr_profile_buttons,

	&bin_attr_control,

	&bin_attr_talk,

	&bin_attr_macro,

	&bin_attr_tcu_image,

	NULL,

};



static const struct attribute_group konepure_group = {

	.bin_attrs = konepure_bin_attributes,

	.bin_attrs = konepure_bin_attrs,

};



static const struct attribute_group *konepure_groups[] = {
@@ -152,20 +75,11 @@ static const struct attribute_group *konepure_groups[] = { 
	NULL,

};





static int konepure_init_konepure_device_struct(struct usb_device *usb_dev,

		struct konepure_device *konepure)

{

	mutex_init(&konepure->konepure_lock);



	return 0;

}



static int konepure_init_specials(struct hid_device *hdev)

{

	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);

	struct usb_device *usb_dev = interface_to_usbdev(intf);

	struct konepure_device *konepure;

	struct roccat_common2_device *konepure;

	int retval;



	if (intf->cur_altsetting->desc.bInterfaceProtocol
@@ -181,9 +95,9 @@ static int konepure_init_specials(struct hid_device *hdev) 
	}

	hid_set_drvdata(hdev, konepure);



	retval = konepure_init_konepure_device_struct(usb_dev, konepure);

	retval = roccat_common2_device_init_struct(usb_dev, konepure);

	if (retval) {

		hid_err(hdev, "couldn't init struct konepure_device\n");

		hid_err(hdev, "couldn't init KonePure device\n");

		goto exit_free;

	}
@@ -205,7 +119,7 @@ static int konepure_init_specials(struct hid_device *hdev) 
static void konepure_remove_specials(struct hid_device *hdev)

{

	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);

	struct konepure_device *konepure;

	struct roccat_common2_device *konepure;



	if (intf->cur_altsetting->desc.bInterfaceProtocol

			!= USB_INTERFACE_PROTOCOL_MOUSE)
@@ -258,7 +172,7 @@ static int konepure_raw_event(struct hid_device *hdev, 
		struct hid_report *report, u8 *data, int size)

{

	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);

	struct konepure_device *konepure = hid_get_drvdata(hdev);

	struct roccat_common2_device *konepure = hid_get_drvdata(hdev);



	if (intf->cur_altsetting->desc.bInterfaceProtocol

			!= USB_INTERFACE_PROTOCOL_MOUSE)

drivers/hid/hid-roccat-konepure.h

deleted100644 → 0
+0 −72
Original line number Diff line number Diff line 
#ifndef __HID_ROCCAT_KONEPURE_H

#define __HID_ROCCAT_KONEPURE_H



/*

 * Copyright (c) 2012 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/types.h>



enum {

	KONEPURE_SIZE_ACTUAL_PROFILE = 0x03,

	KONEPURE_SIZE_CONTROL = 0x03,

	KONEPURE_SIZE_FIRMWARE_WRITE = 0x0402,

	KONEPURE_SIZE_INFO = 0x06,

	KONEPURE_SIZE_MACRO = 0x0822,

	KONEPURE_SIZE_PROFILE_SETTINGS = 0x1f,

	KONEPURE_SIZE_PROFILE_BUTTONS = 0x3b,

	KONEPURE_SIZE_SENSOR = 0x06,

	KONEPURE_SIZE_TALK = 0x10,

	KONEPURE_SIZE_TCU = 0x04,

	KONEPURE_SIZE_TCU_IMAGE = 0x0404,

};



enum konepure_control_requests {

	KONEPURE_CONTROL_REQUEST_GENERAL = 0x80,

	KONEPURE_CONTROL_REQUEST_BUTTONS = 0x90,

};



enum konepure_commands {

	KONEPURE_COMMAND_CONTROL = 0x04,

	KONEPURE_COMMAND_ACTUAL_PROFILE = 0x05,

	KONEPURE_COMMAND_PROFILE_SETTINGS = 0x06,

	KONEPURE_COMMAND_PROFILE_BUTTONS = 0x07,

	KONEPURE_COMMAND_MACRO = 0x08,

	KONEPURE_COMMAND_INFO = 0x09,

	KONEPURE_COMMAND_TCU = 0x0c,

	KONEPURE_COMMAND_TCU_IMAGE = 0x0c,

	KONEPURE_COMMAND_E = 0x0e,

	KONEPURE_COMMAND_SENSOR = 0x0f,

	KONEPURE_COMMAND_TALK = 0x10,

	KONEPURE_COMMAND_FIRMWARE_WRITE = 0x1b,

	KONEPURE_COMMAND_FIRMWARE_WRITE_CONTROL = 0x1c,

};



enum {

	KONEPURE_MOUSE_REPORT_NUMBER_BUTTON = 3,

};



struct konepure_mouse_report_button {

	uint8_t report_number; /* always KONEPURE_MOUSE_REPORT_NUMBER_BUTTON */

	uint8_t zero;

	uint8_t type;

	uint8_t data1;

	uint8_t data2;

	uint8_t zero2;

	uint8_t unknown[2];

} __packed;



struct konepure_device {

	int roccat_claimed;

	int chrdev_minor;

	struct mutex konepure_lock;

};



#endif

drivers/hid/hid-roccat-savu.c

+16 −107
Original line number Diff line number Diff line
@@ -27,98 +27,15 @@ 


static struct class *savu_class;



static ssize_t savu_sysfs_read(struct file *fp, struct kobject *kobj,

		char *buf, loff_t off, size_t count,

		size_t real_size, uint command)

{

	struct device *dev =

			container_of(kobj, struct device, kobj)->parent->parent;

	struct savu_device *savu = hid_get_drvdata(dev_get_drvdata(dev));

	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));

	int retval;



	if (off >= real_size)

		return 0;



	if (off != 0 || count != real_size)

		return -EINVAL;



	mutex_lock(&savu->savu_lock);

	retval = roccat_common2_receive(usb_dev, command, buf, real_size);

	mutex_unlock(&savu->savu_lock);



	return retval ? retval : real_size;

}



static ssize_t savu_sysfs_write(struct file *fp, struct kobject *kobj,

		void const *buf, loff_t off, size_t count,

		size_t real_size, uint command)

{

	struct device *dev =

			container_of(kobj, struct device, kobj)->parent->parent;

	struct savu_device *savu = hid_get_drvdata(dev_get_drvdata(dev));

	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));

	int retval;



	if (off != 0 || count != real_size)

		return -EINVAL;



	mutex_lock(&savu->savu_lock);

	retval = roccat_common2_send_with_status(usb_dev, command,

			(void *)buf, real_size);

	mutex_unlock(&savu->savu_lock);



	return retval ? retval : real_size;

}



#define SAVU_SYSFS_W(thingy, THINGY) \

static ssize_t savu_sysfs_write_ ## thingy(struct file *fp, \

		struct kobject *kobj, struct bin_attribute *attr, char *buf, \

		loff_t off, size_t count) \

{ \

	return savu_sysfs_write(fp, kobj, buf, off, count, \

			SAVU_SIZE_ ## THINGY, SAVU_COMMAND_ ## THINGY); \

}



#define SAVU_SYSFS_R(thingy, THINGY) \

static ssize_t savu_sysfs_read_ ## thingy(struct file *fp, \

		struct kobject *kobj, struct bin_attribute *attr, char *buf, \

		loff_t off, size_t count) \

{ \

	return savu_sysfs_read(fp, kobj, buf, off, count, \

			SAVU_SIZE_ ## THINGY, SAVU_COMMAND_ ## THINGY); \

}



#define SAVU_SYSFS_RW(thingy, THINGY) \

SAVU_SYSFS_W(thingy, THINGY) \

SAVU_SYSFS_R(thingy, THINGY)



#define SAVU_BIN_ATTRIBUTE_RW(thingy, THINGY) \

SAVU_SYSFS_RW(thingy, THINGY); \

static struct bin_attribute bin_attr_##thingy = { \

	.attr = { .name = #thingy, .mode = 0660 }, \

	.size = SAVU_SIZE_ ## THINGY, \

	.read = savu_sysfs_read_ ## thingy, \

	.write = savu_sysfs_write_ ## thingy \

}



#define SAVU_BIN_ATTRIBUTE_W(thingy, THINGY) \

SAVU_SYSFS_W(thingy, THINGY); \

static struct bin_attribute bin_attr_##thingy = { \

	.attr = { .name = #thingy, .mode = 0220 }, \

	.size = SAVU_SIZE_ ## THINGY, \

	.write = savu_sysfs_write_ ## thingy \

}



SAVU_BIN_ATTRIBUTE_W(control, CONTROL);

SAVU_BIN_ATTRIBUTE_RW(profile, PROFILE);

SAVU_BIN_ATTRIBUTE_RW(general, GENERAL);

SAVU_BIN_ATTRIBUTE_RW(buttons, BUTTONS);

SAVU_BIN_ATTRIBUTE_RW(macro, MACRO);

SAVU_BIN_ATTRIBUTE_RW(info, INFO);

SAVU_BIN_ATTRIBUTE_RW(sensor, SENSOR);



static struct bin_attribute *savu_bin_attributes[] = {

ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x4, 0x03);

ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile, 0x5, 0x03);

ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(general, 0x6, 0x10);

ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(buttons, 0x7, 0x2f);

ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(macro, 0x8, 0x0823);

ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(info, 0x9, 0x08);

ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0xc, 0x04);



static struct bin_attribute *savu_bin_attrs[] = {

	&bin_attr_control,

	&bin_attr_profile,

	&bin_attr_general,
@@ -130,7 +47,7 @@ static struct bin_attribute *savu_bin_attributes[] = { 
};



static const struct attribute_group savu_group = {

	.bin_attrs = savu_bin_attributes,

	.bin_attrs = savu_bin_attrs,

};



static const struct attribute_group *savu_groups[] = {
@@ -138,19 +55,11 @@ static const struct attribute_group *savu_groups[] = { 
	NULL,

};



static int savu_init_savu_device_struct(struct usb_device *usb_dev,

		struct savu_device *savu)

{

	mutex_init(&savu->savu_lock);



	return 0;

}



static int savu_init_specials(struct hid_device *hdev)

{

	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);

	struct usb_device *usb_dev = interface_to_usbdev(intf);

	struct savu_device *savu;

	struct roccat_common2_device *savu;

	int retval;



	if (intf->cur_altsetting->desc.bInterfaceProtocol
@@ -166,9 +75,9 @@ static int savu_init_specials(struct hid_device *hdev) 
	}

	hid_set_drvdata(hdev, savu);



	retval = savu_init_savu_device_struct(usb_dev, savu);

	retval = roccat_common2_device_init_struct(usb_dev, savu);

	if (retval) {

		hid_err(hdev, "couldn't init struct savu_device\n");

		hid_err(hdev, "couldn't init Savu device\n");

		goto exit_free;

	}
@@ -190,7 +99,7 @@ static int savu_init_specials(struct hid_device *hdev) 
static void savu_remove_specials(struct hid_device *hdev)

{

	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);

	struct savu_device *savu;

	struct roccat_common2_device *savu;



	if (intf->cur_altsetting->desc.bInterfaceProtocol

			!= USB_INTERFACE_PROTOCOL_MOUSE)
@@ -239,7 +148,7 @@ static void savu_remove(struct hid_device *hdev) 
	hid_hw_stop(hdev);

}



static void savu_report_to_chrdev(struct savu_device const *savu,

static void savu_report_to_chrdev(struct roccat_common2_device const *savu,

		u8 const *data)

{

	struct savu_roccat_report roccat_report;
@@ -261,7 +170,7 @@ static int savu_raw_event(struct hid_device *hdev, 
		struct hid_report *report, u8 *data, int size)

{

	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);

	struct savu_device *savu = hid_get_drvdata(hdev);

	struct roccat_common2_device *savu = hid_get_drvdata(hdev);



	if (intf->cur_altsetting->desc.bInterfaceProtocol

			!= USB_INTERFACE_PROTOCOL_MOUSE)