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path: root/drivers/usb/misc/trancevibrator.c
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Diffstat (limited to 'drivers/usb/misc/trancevibrator.c')
-rw-r--r--drivers/usb/misc/trancevibrator.c44
1 files changed, 15 insertions, 29 deletions
diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c
index 9795457723d8..26baba3ab7d7 100644
--- a/drivers/usb/misc/trancevibrator.c
+++ b/drivers/usb/misc/trancevibrator.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* PlayStation 2 Trance Vibrator driver
*
* Copyright (C) 2006 Sam Hocevar <sam@zoy.org>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* Standard include files */
@@ -25,8 +12,6 @@
#include <linux/module.h>
#include <linux/usb.h>
-/* Version Information */
-#define DRIVER_VERSION "v1.1"
#define DRIVER_AUTHOR "Sam Hocevar, sam@zoy.org"
#define DRIVER_DESC "PlayStation 2 Trance Vibrator driver"
@@ -45,7 +30,7 @@ struct trancevibrator {
unsigned int speed;
};
-static ssize_t show_speed(struct device *dev, struct device_attribute *attr,
+static ssize_t speed_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct usb_interface *intf = to_usb_interface(dev);
@@ -54,14 +39,16 @@ static ssize_t show_speed(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%d\n", tv->speed);
}
-static ssize_t set_speed(struct device *dev, struct device_attribute *attr,
+static ssize_t speed_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct usb_interface *intf = to_usb_interface(dev);
struct trancevibrator *tv = usb_get_intfdata(intf);
int temp, retval, old;
- temp = simple_strtoul(buf, NULL, 10);
+ retval = kstrtoint(buf, 10, &temp);
+ if (retval)
+ return retval;
if (temp > 255)
temp = 255;
else if (temp < 0)
@@ -74,9 +61,9 @@ static ssize_t set_speed(struct device *dev, struct device_attribute *attr,
/* Set speed */
retval = usb_control_msg(tv->udev, usb_sndctrlpipe(tv->udev, 0),
0x01, /* vendor request: set speed */
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
tv->speed, /* speed value */
- 0, NULL, 0, USB_CTRL_GET_TIMEOUT);
+ 0, NULL, 0, USB_CTRL_SET_TIMEOUT);
if (retval) {
tv->speed = old;
dev_dbg(&tv->udev->dev, "retval = %d\n", retval);
@@ -84,8 +71,13 @@ static ssize_t set_speed(struct device *dev, struct device_attribute *attr,
}
return count;
}
+static DEVICE_ATTR_RW(speed);
-static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR, show_speed, set_speed);
+static struct attribute *tv_attrs[] = {
+ &dev_attr_speed.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(tv);
static int tv_probe(struct usb_interface *interface,
const struct usb_device_id *id)
@@ -102,15 +94,9 @@ static int tv_probe(struct usb_interface *interface,
dev->udev = usb_get_dev(udev);
usb_set_intfdata(interface, dev);
- retval = device_create_file(&interface->dev, &dev_attr_speed);
- if (retval)
- goto error_create_file;
return 0;
-error_create_file:
- usb_put_dev(udev);
- usb_set_intfdata(interface, NULL);
error:
kfree(dev);
return retval;
@@ -121,7 +107,6 @@ static void tv_disconnect(struct usb_interface *interface)
struct trancevibrator *dev;
dev = usb_get_intfdata (interface);
- device_remove_file(&interface->dev, &dev_attr_speed);
usb_set_intfdata(interface, NULL);
usb_put_dev(dev->udev);
kfree(dev);
@@ -133,6 +118,7 @@ static struct usb_driver tv_driver = {
.probe = tv_probe,
.disconnect = tv_disconnect,
.id_table = id_table,
+ .dev_groups = tv_groups,
};
module_usb_driver(tv_driver);