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path: root/drivers/usb/misc
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Diffstat (limited to 'drivers/usb/misc')
-rw-r--r--drivers/usb/misc/ldusb.c2
-rw-r--r--drivers/usb/misc/trancevibrator.c4
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c
index 8208496dfc6..c730d20eec6 100644
--- a/drivers/usb/misc/ldusb.c
+++ b/drivers/usb/misc/ldusb.c
@@ -61,6 +61,7 @@
#define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002
#define USB_DEVICE_ID_VERNIER_SKIP 0x0003
#define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004
+#define USB_DEVICE_ID_VERNIER_LCSPEC 0x0006
#define USB_VENDOR_ID_MICROCHIP 0x04d8
#define USB_DEVICE_ID_PICDEM 0x000c
@@ -92,6 +93,7 @@ static struct usb_device_id ld_usb_table [] = {
{ USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
{ USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
{ USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICDEM) },
+ { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, ld_usb_table);
diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c
index 67e2fc20eee..03368edf3f2 100644
--- a/drivers/usb/misc/trancevibrator.c
+++ b/drivers/usb/misc/trancevibrator.c
@@ -59,13 +59,14 @@ static ssize_t set_speed(struct device *dev, struct device_attribute *attr,
{
struct usb_interface *intf = to_usb_interface(dev);
struct trancevibrator *tv = usb_get_intfdata(intf);
- int temp, retval;
+ 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);
@@ -77,6 +78,7 @@ static ssize_t set_speed(struct device *dev, struct device_attribute *attr,
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;
}