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Commit d46e7c21 authored by Stefan Hajnoczi's avatar Stefan Hajnoczi Committed by Greg Kroah-Hartman
Browse files

staging: line6: drop variax active sysfs attr 



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

Signed-off-by: default avatarStefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 502eb4ee

drivers/staging/line6/variax.c

+0 −36
Original line number Diff line number Diff line
@@ -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);