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staging: line6: drop variax active sysfs attr

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The get_string() function has no other callers so remove it too.

Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stefan Hajnoczi 2012-11-22 20:49:14 +01:00 committed by Greg Kroah-Hartman
parent 502eb4ee43
commit d46e7c2152
1 changed files with 0 additions and 36 deletions
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36
drivers/staging/line6/variax.c
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@ -275,38 +275,6 @@ void line6_variax_process_message(struct usb_line6_variax *variax)
}
}
/*
"read" request on "active" special file.
*/
static ssize_t variax_get_active(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct usb_line6_variax *variax =
usb_get_intfdata(to_usb_interface(dev));
return sprintf(buf, "%d\n",
variax->buffer_activate[VARIAX_OFFSET_ACTIVATE]);
}
/*
"write" request on "active" special file.
*/
static ssize_t variax_set_active(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct usb_line6_variax *variax =
usb_get_intfdata(to_usb_interface(dev));
u8 value;
int ret;
ret = kstrtou8(buf, 10, &value);
if (ret)
return ret;
variax_activate_async(variax, value ? 1 : 0);
return count;
}
/*
"read" request on "guitar" special file.
*/
@ -366,8 +334,6 @@ static ssize_t variax_set_raw2(struct device *dev,
#endif
/* Variax workbench special files: */
static DEVICE_ATTR(active, S_IWUSR | S_IRUGO, variax_get_active,
variax_set_active);
static DEVICE_ATTR(guitar, S_IRUGO, variax_get_guitar, line6_nop_write);
#ifdef CONFIG_LINE6_USB_RAW
@ -404,7 +370,6 @@ static void variax_destruct(struct usb_interface *interface)
static int variax_create_files2(struct device *dev)
{
int err;
CHECK_RETURN(device_create_file(dev, &dev_attr_active));
CHECK_RETURN(device_create_file(dev, &dev_attr_guitar));
#ifdef CONFIG_LINE6_USB_RAW
CHECK_RETURN(device_create_file(dev, &dev_attr_raw));
@ -504,7 +469,6 @@ void line6_variax_disconnect(struct usb_interface *interface)
if (dev != NULL) {
/* remove sysfs entries: */
line6_variax_remove_files(0, 0, dev);
device_remove_file(dev, &dev_attr_active);
device_remove_file(dev, &dev_attr_guitar);
#ifdef CONFIG_LINE6_USB_RAW
device_remove_file(dev, &dev_attr_raw);