4 files changed, 37 insertions, 29 deletions

diff --git a/Documentation/ABI/obsolete/sysfs-driver-hid-roccat-kovaplus b/Documentation/ABI/obsolete/sysfs-driver-hid-roccat-kovaplus
index 4d9fb26292a2..4a98e02b6c6a 100644
--- a/Documentation/ABI/obsolete/sysfs-driver-hid-roccat-kovaplus
+++ b/Documentation/ABI/obsolete/sysfs-driver-hid-roccat-kovaplus
@@ -39,3 +39,28 @@ Description:	When read, this file returns the raw integer version number of the
                 This file is readonly.
                 Obsoleted by binary sysfs attribute "info".
 Users:          http://roccat.sourceforge.net
+
+What:           /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile[1-5]_buttons
+Date:           January 2011
+Contact:        Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:    The mouse can store 5 profiles which can be switched by the
+                press of a button. A profile is split in settings and buttons.
+                profile_buttons holds information about button layout.
+                When read, these files return the respective profile buttons.
+                The returned data is 23 bytes in size.
+                This file is readonly.
+                Write control to select profile and read profile_buttons instead.
+Users:          http://roccat.sourceforge.net
+
+What:           /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile[1-5]_settings
+Date:           January 2011
+Contact:        Stefan Achatz <erazor_de@users.sourceforge.net>
+Description:    The mouse can store 5 profiles which can be switched by the
+                press of a button. A profile is split in settings and buttons.
+                profile_settings holds information like resolution, sensitivity
+                and light effects.
+                When read, these files return the respective profile settings.
+                The returned data is 16 bytes in size.
+                This file is readonly.
+                Write control to select profile and read profile_settings instead.
+Users:          http://roccat.sourceforge.net
diff --git a/Documentation/ABI/testing/sysfs-driver-hid-roccat-kovaplus b/Documentation/ABI/testing/sysfs-driver-hid-roccat-kovaplus
index 507f2c7321d5..a10404f15a54 100644
--- a/Documentation/ABI/testing/sysfs-driver-hid-roccat-kovaplus
+++ b/Documentation/ABI/testing/sysfs-driver-hid-roccat-kovaplus
@@ -28,18 +28,8 @@ Description:	The mouse can store 5 profiles which can be switched by the
                 The mouse will reject invalid data.
                 Which profile to write is determined by the profile number
                 contained in the data.
-                This file is writeonly.
-Users:          http://roccat.sourceforge.net
-
-What:           /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile[1-5]_buttons
-Date:           January 2011
-Contact:        Stefan Achatz <erazor_de@users.sourceforge.net>
-Description:    The mouse can store 5 profiles which can be switched by the
-                press of a button. A profile is split in settings and buttons.
-                profile_buttons holds information about button layout.
-                When read, these files return the respective profile buttons.
-                The returned data is 23 bytes in size.
-                This file is readonly.
+                Before reading this file, control has to be written to select
+                which profile to read.
 Users:          http://roccat.sourceforge.net
 
 What:           /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile_settings
@@ -54,17 +44,6 @@ Description:	The mouse can store 5 profiles which can be switched by the
                 The mouse will reject invalid data.
                 Which profile to write is determined by the profile number
                 contained in the data.
-                This file is writeonly.
-Users:          http://roccat.sourceforge.net
-
-What:           /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/kovaplus/roccatkovaplus<minor>/profile[1-5]_settings
-Date:           January 2011
-Contact:        Stefan Achatz <erazor_de@users.sourceforge.net>
-Description:    The mouse can store 5 profiles which can be switched by the
-                press of a button. A profile is split in settings and buttons.
-                profile_settings holds information like resolution, sensitivity
-                and light effects.
-                When read, these files return the respective profile settings.
-                The returned data is 16 bytes in size.
-                This file is readonly.
+                Before reading this file, control has to be written to select
+                which profile to read.
 Users:          http://roccat.sourceforge.net
diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c
index 1589fd3bcf0f..b8b37789b864 100644
--- a/drivers/hid/hid-roccat-kovaplus.c
+++ b/drivers/hid/hid-roccat-kovaplus.c
@@ -218,9 +218,10 @@ KOVAPLUS_SYSFS_R(thingy, THINGY)
         .write = kovaplus_sysfs_write_ ## thingy \
 }
 
+KOVAPLUS_SYSFS_W(control, CONTROL)
 KOVAPLUS_SYSFS_RW(info, INFO)
-KOVAPLUS_SYSFS_W(profile_settings, PROFILE_SETTINGS)
-KOVAPLUS_SYSFS_W(profile_buttons, PROFILE_BUTTONS)
+KOVAPLUS_SYSFS_RW(profile_settings, PROFILE_SETTINGS)
+KOVAPLUS_SYSFS_RW(profile_buttons, PROFILE_BUTTONS)
 
 static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
                 struct kobject *kobj, struct bin_attribute *attr, char *buf,
@@ -369,9 +370,10 @@ static struct device_attribute kovaplus_attributes[] = {
 };
 
 static struct bin_attribute kovaplus_bin_attributes[] = {
+        KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL),
         KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO),
-        KOVAPLUS_BIN_ATTRIBUTE_W(profile_settings, PROFILE_SETTINGS),
-        KOVAPLUS_BIN_ATTRIBUTE_W(profile_buttons, PROFILE_BUTTONS),
+        KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS),
+        KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS),
         {
                 .attr = { .name = "profile1_settings", .mode = 0440 },
                 .size = KOVAPLUS_SIZE_PROFILE_SETTINGS,
diff --git a/drivers/hid/hid-roccat-kovaplus.h b/drivers/hid/hid-roccat-kovaplus.h
index 1189573daee2..fbb7a16a7e54 100644
--- a/drivers/hid/hid-roccat-kovaplus.h
+++ b/drivers/hid/hid-roccat-kovaplus.h
@@ -15,6 +15,7 @@
 #include <linux/types.h>
 
 enum {
+        KOVAPLUS_SIZE_CONTROL = 0x03,
         KOVAPLUS_SIZE_INFO = 0x06,
         KOVAPLUS_SIZE_PROFILE_SETTINGS = 0x10,
         KOVAPLUS_SIZE_PROFILE_BUTTONS = 0x17,
@@ -61,6 +62,7 @@ struct kovaplus_info {
 
 enum kovaplus_commands {
         KOVAPLUS_COMMAND_ACTUAL_PROFILE = 0x5,
+        KOVAPLUS_COMMAND_CONTROL = 0x4,
         KOVAPLUS_COMMAND_PROFILE_SETTINGS = 0x6,
         KOVAPLUS_COMMAND_PROFILE_BUTTONS = 0x7,
         KOVAPLUS_COMMAND_INFO = 0x9,