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staging: line6: drop variax volume sysfs attr

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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 20:49:09 +01:00 committed by Greg Kroah-Hartman
parent a865e012a2
commit 9f242ef59b
2 changed files with 0 additions and 47 deletions
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42
drivers/staging/line6/variax.c
View File

@ -200,10 +200,6 @@ void line6_variax_process_message(struct usb_line6_variax *variax)
switch (buf[0]) {
case LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST:
switch (buf[1]) {
case VARIAXMIDI_volume:
variax->volume = buf[2];
break;
case VARIAXMIDI_tone:
variax->tone = buf[2];
}
@ -298,40 +294,6 @@ void line6_variax_process_message(struct usb_line6_variax *variax)
}
}
/*
"read" request on "volume" special file.
*/
static ssize_t variax_get_volume(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->volume);
}
/*
"write" request on "volume" special file.
*/
static ssize_t variax_set_volume(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;
if (line6_transmit_parameter(&variax->line6, VARIAXMIDI_volume,
value) == 0)
variax->volume = value;
return count;
}
/*
"read" request on "active" special file.
*/
@ -515,8 +477,6 @@ static ssize_t variax_set_raw2(struct device *dev,
#endif
/* Variax workbench special files: */
static DEVICE_ATTR(volume, S_IWUSR | S_IRUGO, variax_get_volume,
variax_set_volume);
static DEVICE_ATTR(tone, S_IWUSR | S_IRUGO, variax_get_tone, variax_set_tone);
static DEVICE_ATTR(name, S_IRUGO, variax_get_name, line6_nop_write);
static DEVICE_ATTR(bank, S_IRUGO, variax_get_bank, line6_nop_write);
@ -559,7 +519,6 @@ 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_volume));
CHECK_RETURN(device_create_file(dev, &dev_attr_tone));
CHECK_RETURN(device_create_file(dev, &dev_attr_name));
CHECK_RETURN(device_create_file(dev, &dev_attr_bank));
@ -664,7 +623,6 @@ 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_volume);
device_remove_file(dev, &dev_attr_tone);
device_remove_file(dev, &dev_attr_name);
device_remove_file(dev, &dev_attr_bank);

5
drivers/staging/line6/variax.h
View File

@ -92,11 +92,6 @@ struct usb_line6_variax {
*/
unsigned char bank[18];
/**
Position of volume dial.
*/
int volume;
/**
Position of tone control dial.
*/