Release 4.16 drivers/usb/misc/trancevibrator.c
// SPDX-License-Identifier: GPL-2.0+
/*
* PlayStation 2 Trance Vibrator driver
*
* Copyright (C) 2006 Sam Hocevar <sam@zoy.org>
*/
/* Standard include files */
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/usb.h>
#define DRIVER_AUTHOR "Sam Hocevar, sam@zoy.org"
#define DRIVER_DESC "PlayStation 2 Trance Vibrator driver"
#define TRANCEVIBRATOR_VENDOR_ID 0x0b49
/* ASCII Corporation */
#define TRANCEVIBRATOR_PRODUCT_ID 0x064f
/* Trance Vibrator */
static const struct usb_device_id id_table[] = {
{ USB_DEVICE(TRANCEVIBRATOR_VENDOR_ID, TRANCEVIBRATOR_PRODUCT_ID) },
{ },
};
MODULE_DEVICE_TABLE (usb, id_table);
/* Driver-local specific stuff */
struct trancevibrator {
struct usb_device *udev;
unsigned int speed;
};
static ssize_t speed_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct usb_interface *intf = to_usb_interface(dev);
struct trancevibrator *tv = usb_get_intfdata(intf);
return sprintf(buf, "%d\n", tv->speed);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Sam Hocevar | 51 | 98.08% | 1 | 50.00% |
| Greg Kroah-Hartman | 1 | 1.92% | 1 | 50.00% |
| Total | 52 | 100.00% | 2 | 100.00% |
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);
if (temp > 255)
temp = 255;
else if (temp < 0)
temp = 0;
old = tv->speed;
tv->speed = temp;
dev_dbg(&tv->udev->dev, "speed = %d\n", tv->speed);
/* 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,
tv->speed, /* speed value */
0, NULL, 0, USB_CTRL_GET_TIMEOUT);
if (retval) {
tv->speed = old;
dev_dbg(&tv->udev->dev, "retval = %d\n", retval);
return retval;
}
return count;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Sam Hocevar | 169 | 91.85% | 1 | 33.33% |
| Oliver Neukum | 14 | 7.61% | 1 | 33.33% |
| Greg Kroah-Hartman | 1 | 0.54% | 1 | 33.33% |
| Total | 184 | 100.00% | 3 | 100.00% |
static DEVICE_ATTR_RW(speed);
static int tv_probe(struct usb_interface *interface,
const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(interface);
struct trancevibrator *dev;
int retval;
dev = kzalloc(sizeof(struct trancevibrator), GFP_KERNEL);
if (!dev) {
retval = -ENOMEM;
goto error;
}
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Sam Hocevar | 125 | 99.21% | 1 | 50.00% |
| Wolfram Sang | 1 | 0.79% | 1 | 50.00% |
| Total | 126 | 100.00% | 2 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Sam Hocevar | 46 | 86.79% | 1 | 50.00% |
| Oliver Neukum | 7 | 13.21% | 1 | 50.00% |
| Total | 53 | 100.00% | 2 | 100.00% |
/* USB subsystem object */
static struct usb_driver tv_driver = {
.name = "trancevibrator",
.probe = tv_probe,
.disconnect = tv_disconnect,
.id_table = id_table,
};
module_usb_driver(tv_driver);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Sam Hocevar | 514 | 93.97% | 1 | 10.00% |
| Oliver Neukum | 21 | 3.84% | 2 | 20.00% |
| Greg Kroah-Hartman | 7 | 1.28% | 4 | 40.00% |
| Tejun Heo | 3 | 0.55% | 1 | 10.00% |
| Márton Németh | 1 | 0.18% | 1 | 10.00% |
| Wolfram Sang | 1 | 0.18% | 1 | 10.00% |
| Total | 547 | 100.00% | 10 | 100.00% |
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