HID: roccat: cleanup of pyra module

Partially removed unneeded informations and data caching.
Moved code nearer to format of newer drivers.
Added "info" sysfs attribute to support device reset and deprecate
"firmware_version" attribute.

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

Documentation/ABI/obsolete/sysfs-driver-hid-roccat-pyra

@@ -0,0 +1,48 @@
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/actual_cpi
+Date:		August 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	It is possible to switch the cpi setting of the mouse with the
+		press of a button.
+		When read, this file returns the raw number of the actual cpi
+		setting reported by the mouse. This number has to be further
+		processed to receive the real dpi value.
+
+		VALUE DPI
+		1     400
+		2     800
+		4     1600
+
+		This file is readonly.
+		Has never been used. If bookkeeping is done, it's done in userland tools.
+Users:		http://roccat.sourceforge.net
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/actual_profile
+Date:		August 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	When read, this file returns the number of the actual profile in
+		range 0-4.
+		This file is readonly.
+		Please use binary attribute "settings" which provides this information.
+Users:		http://roccat.sourceforge.net
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/firmware_version
+Date:		August 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	When read, this file returns the raw integer version number of the
+		firmware reported by the mouse. Using the integer value eases
+		further usage in other programs. To receive the real version
+		number the decimal point has to be shifted 2 positions to the
+		left. E.g. a returned value of 138 means 1.38
+		This file is readonly.
+		Please use binary attribute "info" which provides this information.
+Users:		http://roccat.sourceforge.net
+
+What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/startup_profile
+Date:		August 2010
+Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:	The integer value of this attribute ranges from 0-4.
+                When read, this attribute returns the number of the profile
+                that's active when the mouse is powered on.
+		This file is readonly.
+		Please use binary attribute "settings" which provides this information.
+Users:		http://roccat.sourceforge.net

Documentation/ABI/testing/sysfs-driver-hid-roccat-pyra

@@ -1,39 +1,3 @@
-What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/actual_cpi
-Date:		August 2010
-Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
-Description:	It is possible to switch the cpi setting of the mouse with the
-		press of a button.
-		When read, this file returns the raw number of the actual cpi
-		setting reported by the mouse. This number has to be further
-		processed to receive the real dpi value.
-
-		VALUE DPI
-		1     400
-		2     800
-		4     1600
-
-		This file is readonly.
-Users:		http://roccat.sourceforge.net
-
-What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/actual_profile
-Date:		August 2010
-Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
-Description:	When read, this file returns the number of the actual profile in
-		range 0-4.
-		This file is readonly.
-Users:		http://roccat.sourceforge.net
-
-What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/firmware_version
-Date:		August 2010
-Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
-Description:	When read, this file returns the raw integer version number of the
-		firmware reported by the mouse. Using the integer value eases
-		further usage in other programs. To receive the real version
-		number the decimal point has to be shifted 2 positions to the
-		left. E.g. a returned value of 138 means 1.38
-		This file is readonly.
-Users:		http://roccat.sourceforge.net
-
 What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/profile_settings
 Date:		August 2010
 Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
@@ -86,15 +50,6 @@ Description:	The mouse can store 5 profiles which can be switched by the
 		This file is readonly.
 Users:		http://roccat.sourceforge.net
 
-What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/startup_profile
-Date:		August 2010
-Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>
-Description:	The integer value of this attribute ranges from 0-4.
-                When read, this attribute returns the number of the profile
-                that's active when the mouse is powered on.
-		This file is readonly.
-Users:		http://roccat.sourceforge.net
-
 What:		/sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/pyra/roccatpyra<minor>/settings
 Date:		August 2010
 Contact:	Stefan Achatz <erazor_de@users.sourceforge.net>