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staging: line6: drop channel 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 20:48:40 +01:00 committed by Greg Kroah-Hartman
parent 0aaad65a63
commit 236666e958
2 changed files with 0 additions and 56 deletions
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51
drivers/staging/line6/pod.c
View File

@ -223,7 +223,6 @@ void line6_pod_process_message(struct usb_line6_pod *pod)
case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_DEVICE:
case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_HOST:
pod->channel_num = buf[1];
pod->dirty = 0;
set_bit(POD_CHANNEL_DIRTY, &pod->atomic_flags);
line6_dump_request_async(&pod->dumpreq, &pod->line6, 0,
@ -387,19 +386,6 @@ void line6_pod_midi_postprocess(struct usb_line6_pod *pod, unsigned char *data,
}
}
/*
Send channel number (i.e., switch to a different sound).
*/
static void pod_send_channel(struct usb_line6_pod *pod, u8 value)
{
line6_invalidate_current(&pod->dumpreq);
if (line6_send_program(&pod->line6, value) == 0)
pod->channel_num = value;
else
line6_dump_finished(&pod->dumpreq);
}
/*
Transmit PODxt Pro control parameter.
*/
@ -525,37 +511,6 @@ static ssize_t get_name_generic(struct usb_line6_pod *pod, const char *str,
return last_non_space - buf + 2;
}
/*
"read" request on "channel" special file.
*/
static ssize_t pod_get_channel(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct usb_interface *interface = to_usb_interface(dev);
struct usb_line6_pod *pod = usb_get_intfdata(interface);
return sprintf(buf, "%d\n", pod->channel_num);
}
/*
"write" request on "channel" special file.
*/
static ssize_t pod_set_channel(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct usb_interface *interface = to_usb_interface(dev);
struct usb_line6_pod *pod = usb_get_intfdata(interface);
u8 value;
int ret;
ret = kstrtou8(buf, 10, &value);
if (ret)
return ret;
pod_send_channel(pod, value);
return count;
}
/*
"read" request on "name" special file.
*/
@ -1036,8 +991,6 @@ POD_GET_SYSTEM_PARAM(tuner_pitch, 1);
#undef GET_SYSTEM_PARAM
/* POD special files: */
static DEVICE_ATTR(channel, S_IWUSR | S_IRUGO, pod_get_channel,
pod_set_channel);
static DEVICE_ATTR(clip, S_IRUGO, pod_wait_for_clip, line6_nop_write);
static DEVICE_ATTR(device_id, S_IRUGO, pod_get_device_id, line6_nop_write);
static DEVICE_ATTR(dirty, S_IRUGO, pod_get_dirty, line6_nop_write);
@ -1153,7 +1106,6 @@ static int pod_create_files2(struct device *dev)
{
int err;
CHECK_RETURN(device_create_file(dev, &dev_attr_channel));
CHECK_RETURN(device_create_file(dev, &dev_attr_clip));
CHECK_RETURN(device_create_file(dev, &dev_attr_device_id));
CHECK_RETURN(device_create_file(dev, &dev_attr_dirty));
@ -1200,8 +1152,6 @@ static int pod_try_init(struct usb_interface *interface,
if ((interface == NULL) || (pod == NULL))
return -ENODEV;
pod->channel_num = 255;
/* initialize wait queues: */
init_waitqueue_head(&pod->monitor_level.wait);
init_waitqueue_head(&pod->routing.wait);
@ -1300,7 +1250,6 @@ void line6_pod_disconnect(struct usb_interface *interface)
pod->line6.
properties->device_bit, dev);
device_remove_file(dev, &dev_attr_channel);
device_remove_file(dev, &dev_attr_clip);
device_remove_file(dev, &dev_attr_device_id);
device_remove_file(dev, &dev_attr_dirty);

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

@ -88,11 +88,6 @@ struct usb_line6_pod {
*/
struct line6_dump_request dumpreq;
/**
Current program number.
*/
unsigned char channel_num;
/**
Current program settings.
*/