forked from luck/tmp_suning_uos_patched
HID: roccat: add support for Roccat Lua
This patch adds support for Roccat Lua gaming mouse. Userland tools can soon be found at http://sourceforge.net/projects/roccat Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Stefan Achatz
Jiri Kosina
parent
def7cb8cd4
commit
4424f616e4
7
Documentation/ABI/testing/sysfs-driver-hid-roccat-lua
Normal file
7
Documentation/ABI/testing/sysfs-driver-hid-roccat-lua
Normal file
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@ -0,0 +1,7 @@
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/control
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Date: October 2012
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Contact: Stefan Achatz <erazor_de@users.sourceforge.net>
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Description: When written, cpi, button and light settings can be configured.
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When read, actual cpi setting and sensor data are returned.
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The data has to be 8 bytes long.
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Users: http://roccat.sourceforge.net
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@ -93,8 +93,8 @@ obj-$(CONFIG_HID_PRIMAX) += hid-primax.o
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obj-$(CONFIG_HID_PS3REMOTE) += hid-ps3remote.o
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obj-$(CONFIG_HID_ROCCAT) += hid-roccat.o hid-roccat-common.o \
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hid-roccat-arvo.o hid-roccat-isku.o hid-roccat-kone.o \
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hid-roccat-koneplus.o hid-roccat-kovaplus.o hid-roccat-pyra.o \
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hid-roccat-savu.o
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hid-roccat-koneplus.o hid-roccat-kovaplus.o hid-roccat-lua.o \
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hid-roccat-pyra.o hid-roccat-savu.o
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obj-$(CONFIG_HID_SAITEK) += hid-saitek.o
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obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o
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obj-$(CONFIG_HID_SMARTJOYPLUS) += hid-sjoy.o
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@ -1655,6 +1655,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
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@ -675,6 +675,7 @@
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#define USB_DEVICE_ID_ROCCAT_KONE 0x2ced
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#define USB_DEVICE_ID_ROCCAT_KONEPLUS 0x2d51
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#define USB_DEVICE_ID_ROCCAT_KOVAPLUS 0x2d50
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#define USB_DEVICE_ID_ROCCAT_LUA 0x2c2e
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#define USB_DEVICE_ID_ROCCAT_PYRA_WIRED 0x2c24
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#define USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS 0x2cf6
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#define USB_DEVICE_ID_ROCCAT_SAVU 0x2d5a
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227
drivers/hid/hid-roccat-lua.c
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227
drivers/hid/hid-roccat-lua.c
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@ -0,0 +1,227 @@
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/*
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* Roccat Lua driver for Linux
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*
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* Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net>
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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/*
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* Roccat Lua is a gamer mouse which cpi, button and light settings can be
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* configured.
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*/
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#include <linux/device.h>
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#include <linux/input.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/hid-roccat.h>
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#include "hid-ids.h"
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#include "hid-roccat-common.h"
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#include "hid-roccat-lua.h"
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static ssize_t lua_sysfs_read(struct file *fp, struct kobject *kobj,
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char *buf, loff_t off, size_t count,
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size_t real_size, uint command)
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{
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struct device *dev = container_of(kobj, struct device, kobj);
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struct lua_device *lua = hid_get_drvdata(dev_get_drvdata(dev));
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
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int retval;
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if (off >= real_size)
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return 0;
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if (off != 0 || count != real_size)
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return -EINVAL;
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mutex_lock(&lua->lua_lock);
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retval = roccat_common2_receive(usb_dev, command, buf, real_size);
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mutex_unlock(&lua->lua_lock);
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return retval ? retval : real_size;
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}
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static ssize_t lua_sysfs_write(struct file *fp, struct kobject *kobj,
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void const *buf, loff_t off, size_t count,
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size_t real_size, uint command)
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{
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struct device *dev = container_of(kobj, struct device, kobj);
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struct lua_device *lua = hid_get_drvdata(dev_get_drvdata(dev));
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struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
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int retval;
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if (off != 0 || count != real_size)
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return -EINVAL;
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mutex_lock(&lua->lua_lock);
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retval = roccat_common2_send(usb_dev, command, (void *)buf, real_size);
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mutex_unlock(&lua->lua_lock);
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return retval ? retval : real_size;
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}
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#define LUA_SYSFS_W(thingy, THINGY) \
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static ssize_t lua_sysfs_write_ ## thingy(struct file *fp, \
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struct kobject *kobj, struct bin_attribute *attr, \
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char *buf, loff_t off, size_t count) \
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{ \
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return lua_sysfs_write(fp, kobj, buf, off, count, \
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LUA_SIZE_ ## THINGY, LUA_COMMAND_ ## THINGY); \
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}
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#define LUA_SYSFS_R(thingy, THINGY) \
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static ssize_t lua_sysfs_read_ ## thingy(struct file *fp, \
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struct kobject *kobj, struct bin_attribute *attr, \
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char *buf, loff_t off, size_t count) \
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{ \
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return lua_sysfs_read(fp, kobj, buf, off, count, \
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LUA_SIZE_ ## THINGY, LUA_COMMAND_ ## THINGY); \
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}
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#define LUA_BIN_ATTRIBUTE_RW(thingy, THINGY) \
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LUA_SYSFS_W(thingy, THINGY) \
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LUA_SYSFS_R(thingy, THINGY) \
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static struct bin_attribute lua_ ## thingy ## _attr = { \
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.attr = { .name = #thingy, .mode = 0660 }, \
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.size = LUA_SIZE_ ## THINGY, \
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.read = lua_sysfs_read_ ## thingy, \
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.write = lua_sysfs_write_ ## thingy \
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};
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LUA_BIN_ATTRIBUTE_RW(control, CONTROL)
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static int lua_create_sysfs_attributes(struct usb_interface *intf)
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{
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return sysfs_create_bin_file(&intf->dev.kobj, &lua_control_attr);
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}
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static void lua_remove_sysfs_attributes(struct usb_interface *intf)
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{
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sysfs_remove_bin_file(&intf->dev.kobj, &lua_control_attr);
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}
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static int lua_init_lua_device_struct(struct usb_device *usb_dev,
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struct lua_device *lua)
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{
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mutex_init(&lua->lua_lock);
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return 0;
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}
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static int lua_init_specials(struct hid_device *hdev)
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{
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struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
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struct usb_device *usb_dev = interface_to_usbdev(intf);
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struct lua_device *lua;
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int retval;
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lua = kzalloc(sizeof(*lua), GFP_KERNEL);
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if (!lua) {
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hid_err(hdev, "can't alloc device descriptor\n");
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return -ENOMEM;
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}
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hid_set_drvdata(hdev, lua);
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retval = lua_init_lua_device_struct(usb_dev, lua);
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if (retval) {
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hid_err(hdev, "couldn't init struct lua_device\n");
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goto exit;
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}
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retval = lua_create_sysfs_attributes(intf);
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if (retval) {
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hid_err(hdev, "cannot create sysfs files\n");
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goto exit;
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}
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return 0;
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exit:
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kfree(lua);
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return retval;
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}
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static void lua_remove_specials(struct hid_device *hdev)
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{
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struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
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struct lua_device *lua;
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lua_remove_sysfs_attributes(intf);
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lua = hid_get_drvdata(hdev);
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kfree(lua);
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}
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static int lua_probe(struct hid_device *hdev,
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const struct hid_device_id *id)
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{
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int retval;
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retval = hid_parse(hdev);
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if (retval) {
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hid_err(hdev, "parse failed\n");
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goto exit;
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}
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retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
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if (retval) {
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hid_err(hdev, "hw start failed\n");
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goto exit;
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}
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retval = lua_init_specials(hdev);
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if (retval) {
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hid_err(hdev, "couldn't install mouse\n");
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goto exit_stop;
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}
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return 0;
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exit_stop:
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hid_hw_stop(hdev);
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exit:
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return retval;
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}
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static void lua_remove(struct hid_device *hdev)
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{
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lua_remove_specials(hdev);
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hid_hw_stop(hdev);
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}
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static const struct hid_device_id lua_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, lua_devices);
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static struct hid_driver lua_driver = {
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.name = "lua",
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.id_table = lua_devices,
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.probe = lua_probe,
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.remove = lua_remove
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};
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static int __init lua_init(void)
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{
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return hid_register_driver(&lua_driver);
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}
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static void __exit lua_exit(void)
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{
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hid_unregister_driver(&lua_driver);
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}
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module_init(lua_init);
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module_exit(lua_exit);
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MODULE_AUTHOR("Stefan Achatz");
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MODULE_DESCRIPTION("USB Roccat Lua driver");
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MODULE_LICENSE("GPL v2");
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29
drivers/hid/hid-roccat-lua.h
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29
drivers/hid/hid-roccat-lua.h
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@ -0,0 +1,29 @@
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#ifndef __HID_ROCCAT_LUA_H
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#define __HID_ROCCAT_LUA_H
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/*
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* Copyright (c) 2012 Stefan Achatz <erazor_de@users.sourceforge.net>
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/types.h>
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enum {
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LUA_SIZE_CONTROL = 8,
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};
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enum lua_commands {
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LUA_COMMAND_CONTROL = 3,
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};
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struct lua_device {
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struct mutex lua_lock;
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};
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#endif
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