Staging: frontier: remove unused alphatrack_sysfs.c file

The alphatrack_sysfs.c is unused, so remove it.

Cc: David Taht <d@teklibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/frontier/alphatrack.c

@@ -82,7 +82,6 @@ MODULE_SUPPORTED_DEVICE("Frontier Designs Alphatrack Control Surface");
 
 /* These aren't done yet */
 
-#define ALPHATRACK_HAVE_SYSFS 0
 #define SUPPRESS_EXTRA_ONLINE_EVENTS 0
 #define BUFFERED_WRITES 0
 #define SUPPRESS_EXTRA_OFFLINE_EVENTS 0
@@ -232,12 +231,6 @@ static void usb_alphatrack_abort_transfers(struct usb_alphatrack *dev)
 			usb_kill_urb(dev->interrupt_out_urb);
 }
 
-#if ALPHATRACK_HAVE_SYSFS
-/* lots and lots and lots of sysfs stuff */
-/* Currently borked, probably useless */
-#include "alphatrack_sysfs.c"
-#endif
-
 /**
  *	usb_alphatrack_delete
  */
@@ -800,23 +793,6 @@ static int usb_alphatrack_probe(struct usb_interface *intf, const struct usb_dev
 	dev_info(&intf->dev, "Alphatrack Device #%d now attached to major %d minor %d\n",
 		(intf->minor - USB_ALPHATRACK_MINOR_BASE), USB_MAJOR, intf->minor);
 
-#if ALPHATRACK_HAVE_SYSFS
-	if((retval = device_create_file(&intf->dev, &dev_attr_event))) goto error;
-	if((retval = device_create_file(&intf->dev, &dev_attr_dump_state))) goto error;
-	if((retval = device_create_file(&intf->dev, &dev_attr_enable))) goto error;
-	if((retval = device_create_file(&intf->dev, &dev_attr_offline))) goto error;
-
-  /* exercise sysfs */
-
-	set_lights("32767"); // turn on all the lights
-	set_fader0("1023"); // Move fader to max
-	set_screen("INITIALIZING               ALPHATRACK...");
-	set_lights("0");
-	set_fader0("0");
-	set_screen("                                        ");
-
-#endif
-
 exit:
 	return retval;
 

drivers/staging/frontier/alphatrack_sysfs.c

@@ -1,279 +0,0 @@
-/* This was an attempt - ultimately proved pointless - at making a full fledged sysfs interface to the alphatrack */
-/* won't even compile at present */
-
-char *alphatrack_sys_margs;
-spinlock_t alphatrack_sys_margs_lock;
-
-struct alphatrack_attr {
-        struct attribute attr;
-        ssize_t (*show)(struct device *, char *);
-        ssize_t (*store)(struct device *, const char *, size_t);
-};
-
-#define ALPHATRACK_ATTR(name, mode, show, store) \
-static struct alphatrack_attr alphatrack_attr_##name = __ATTR(name, mode, show, store)
-
-/* now a great deal of callback code generation */
-
-// FOREACH_LIGHT(show_set_light)
-// FOREACH_BUTTON(show_set_button)
-
-show_set_light(LIGHT_RECORD); show_set_light(LIGHT_EQ); show_set_light(LIGHT_OUT);
-show_set_light(LIGHT_F2); show_set_light(LIGHT_SEND);   show_set_light(LIGHT_IN);
-show_set_light(LIGHT_F1); show_set_light(LIGHT_PAN);    show_set_light(LIGHT_UNDEF1);
-show_set_light(LIGHT_UNDEF2); show_set_light(LIGHT_SHIFT); show_set_light(LIGHT_TRACKMUTE);
-show_set_light(LIGHT_TRACKSOLO); show_set_light(LIGHT_TRACKREC); show_set_light(LIGHT_READ);
-show_set_light(LIGHT_WRITE); show_set_light(LIGHT_ANYSOLO); show_set_light(LIGHT_AUTO);
-show_set_light(LIGHT_F4); show_set_light(LIGHT_RECORD); show_set_light(LIGHT_WINDOW);
-show_set_light(LIGHT_PLUGIN); show_set_light(LIGHT_F3); show_set_light(LIGHT_LOOP);
-
-show_set_opt(enable); show_set_opt(offline); show_set_opt(compress_fader); show_set_opt(dump_state);
-show_set_int(fader); show_set_int(event);
-
-
-static ssize_t show_lights(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	struct usb_interface *intf = to_usb_interface(dev);
-	struct usb_alphatrack *t = usb_get_intfdata(intf);
-	return sprintf(buf, "%d\n", t->lights);
-}
-
-static ssize_t set_lights(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
-{
-	struct usb_interface *intf = to_usb_interface(dev);
-	struct usb_alphatrack *t = usb_get_intfdata(intf);
-	int temp = simple_strtoul(buf, NULL, 10);
-	t->lights = temp;
-	return count;
-}
-
-static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_lights, set_lights);
-
-
-ALPHATRACK_ATTR(LightRecord, 0200, NULL,          LightRecord_store);
-
-static struct attribute *alphatrack_attrs[] = {
-        &alphatrack_attr_LightRecord.attr,
-        NULL,
-};
-
-static ssize_t alphatrack_attr_show(struct kobject *kobj, struct attribute *attr,
-                              char *buf)
-{
-        struct device *sdp = container_of(kobj, struct device, kobj);
-        struct alphatrack_attr *a = container_of(attr, struct alphatrack_attr, attr);
-        return a->show ? a->show(sdp, buf) : 0;
-}
-
-static ssize_t alphatrack_attr_store(struct kobject *kobj, struct attribute *attr,
-                               const char *buf, size_t len)
-{
-        struct device *sdp = container_of(kobj, struct device, kobj);
-        struct alphatrack_attr *a = container_of(attr, struct alphatrack_attr, attr);
-        return a->store ? a->store(sdp, buf, len) : len;
-}
-
-static struct sysfs_ops alphatrack_attr_ops = {
-        .show  = alphatrack_attr_show,
-        .store = alphatrack_attr_store,
-};
-
-static struct kobj_type alphatrack_ktype = {
-        .default_attrs = alphatrack_attrs,
-        .sysfs_ops     = &alphatrack_attr_ops,
-};
-
-static struct kset alphatrack_kset = {
-        .subsys = &fs_subsys,
-        .kobj   = {.name = "alphatrack"},
-        .ktype  = &alphatrack_ktype,
-};
-
-
-static struct attribute *lights_attrs[] = {
-        &tune_attr_demote_secs.attr,
-        NULL,
-};
-
-
-static struct attribute_group leds_group = {
-        .name = "leds",
-        .attrs = lights_attrs,
-};
-
-static struct attribute_group faders_group = {
-        .name = "faders",
-        .attrs = faders_attrs,
-};
-
-static struct attribute_group lcds_group = {
-        .name = "lcds",
-        .attrs = lcds_attrs,
-};
-
-static struct attribute_group wheels_group = {
-        .name = "wheels",
-        .attrs = wheels_attrs,
-};
-
-static struct attribute_group touchsurfaces_group = {
-        .name = "touchsurfaces",
-        .attrs = touchsurfaces_attrs,
-};
-
-static struct attribute_group buttons_group = {
-        .name = "buttons",
-        .attrs = buttons_attrs,
-};
-
-
-int alphatrack_sys_fs_add(struct device *sdp)
-{
-        int error;
-
-        sdp->kobj.kset = &alphatrack_kset;
-        sdp->kobj.ktype = &alphatrack_ktype;
-
-//        error = kobject_set_name(&sdp->kobj, "%s", sdp->sd_table_name);
-        error = kobject_set_name(&sdp->kobj, "%s", "alphatrack");
-        if (error)
-                goto fail;
-
-        error = kobject_register(&sdp->kobj);
-        if (error)
-                goto fail;
-
-        error = sysfs_create_group(&sdp->kobj, &lcds_group);
-        if (error)
-                goto fail_reg;
-
-        error = sysfs_create_group(&sdp->kobj, &leds_group);
-        if (error)
-                goto fail_leds;
-
-        error = sysfs_create_group(&sdp->kobj, &wheels_group);
-        if (error)
-                goto fail_wheels;
-
-      error = sysfs_create_group(&sdp->kobj, &faders_group);
-        if (error)
-                goto fail_lcds;
-
-        error = sysfs_create_group(&sdp->kobj, &buttons_group);
-        if (error)
-                goto fail_faders;
-
-        error = sysfs_create_group(&sdp->kobj, &touchsurfaces_group);
-        if (error)
-                goto fail_buttons;
-
-        return 0;
-
-
-fail_buttons:
-        sysfs_remove_group(&sdp->kobj, &buttons_group);
-fail_faders:
-        sysfs_remove_group(&sdp->kobj, &faders_group);
-fail_wheels:
-        sysfs_remove_group(&sdp->kobj, &wheels_group);
-fail_lcds:
-        sysfs_remove_group(&sdp->kobj, &lcds_group);
-fail_leds:
-        sysfs_remove_group(&sdp->kobj, &leds_group);
-
-
-
-fail_reg:
-        kobject_unregister(&sdp->kobj);
-fail:
-        fs_err(sdp, "error %d adding sysfs files", error);
-        return error;
-}
-
-// int sysfs_create_link(struct kobject *kobj,
-//			  struct kobject *target,
-//			  char *name);
-
-void alphatrack_sys_fs_del(struct device *sdp)
-{
-        sysfs_remove_group(&sdp->kobj, &touchsurfaces_group);
-        sysfs_remove_group(&sdp->kobj, &buttons_group);
-        sysfs_remove_group(&sdp->kobj, &faders_group);
-        sysfs_remove_group(&sdp->kobj, &lcds_group);
-        sysfs_remove_group(&sdp->kobj, &wheels_group);
-        sysfs_remove_group(&sdp->kobj, &leds_group)
-//void sysfs_remove_link(struct kobject *kobj, char *name);
-					kobject_unregister(&sdp->kobj);
-}
-
-int alphatrack_sys_init(void)
-{
-        alphatrack_sys_margs = NULL;
-        spin_lock_init(&alphatrack_sys_margs_lock);
-        return kset_register(&alphatrack_kset);
-}
-
-void alphatrack_sys_uninit(void)
-{
-        kfree(alphatrack_sys_margs);
-        kset_unregister(&alphatrack_kset);
-}
-
-
-//decl_subsys(char *name, struct kobj_type *type,
-//                struct kset_hotplug_ops *hotplug_ops);
-
-/* End of all the crazy sysfs stuff */
-
-#define SYSEX_INQUIRE signed char *SYSEX_INQUIRE[] = { 0xf0,0x7e,0x00,0x06,0x01,0x17 };
-
-#define COMMAND(NAME,CONT_NAME)  { BUTTONMASK_##NAME, ((0x90 << 8) | CONT_NAME), ((0x90 << 8) | CONT_NAME), #NAME, NAME ## _set }
-#define ROTARY(NAME,CONT_NAME)  { FADER_##NAME, ((0xb0 << 8) | CONT_NAME), ((0xb0 << 8) | CONT_NAME), #NAME, NAME ## _set }
-#define SPOSITION(NAME,CONT_NAME)  { BUTTON_##NAME ((0xe9 << 8) | CONT_NAME), #NAME, NAME ## _set }
-#define ENDCOMMAND { 0,NULL,0,NULL,NULL}
-
-/* Now that we've generated all our callbacks */
-
-static struct buttonmap_t buttonmap[] =
-     {
-       COMMAND (REWIND,0x5b),
-       COMMAND (FASTFORWARD,0x5c),
-       COMMAND (STOP,0x5d),
-       COMMAND (PLAY,0x5e),
-       COMMAND (RECORD,0x5f),
-       COMMAND (SHIFT,0x46),
-       COMMAND (TRACKLEFT,0x57),
-       COMMAND (TRACKRIGHT,0x58),
-       COMMAND (LOOP,0x56),
-       COMMAND (FLIP,0x32),
-       COMMAND (MUTE,0x10),
-       COMMAND (F1,0x36),
-       COMMAND (F2,0x37),
-       COMMAND (F3,0x38),
-       COMMAND (F4,0x39),
-       COMMAND (SOLO,0x08),
-       COMMAND (ANY,0x73),
-       COMMAND (PAN,0x2a),
-       COMMAND (SEND,0x29),
-       COMMAND (EQ,0x2c),
-       COMMAND (PLUGIN,0x2b),
-       COMMAND (AUTO,0x4a),
-       COMMAND (TRACKREC,0x00),
-       COMMAND (FOOTSWITCH1,0x67),
-       COMMAND (KNOBTOUCH1,0x78),
-       COMMAND (KNOBPUSH1,0x20),
-       ROTARY  (KNOBTURN1,0x10),
-       COMMAND (KNOBTOUCH2,0x79),
-       COMMAND (KNOBPUSH2,0x21),
-       ROTARY  (KNOBTURN2,0x11),
-       COMMAND (KNOBTOUCH3,0x7a),
-       COMMAND (KNOBPUSH3,0x22),
-       ROTARY  (KNOBTURN3,0x12),
-       COMMAND (FADERTOUCH1,0x68),
-       COMMAND (STRIPTOUCH1,0x74),
-       COMMAND (STRIPTOUCH2,0x6b),
-       SPOSITION (STRIPPOS1,0x00),
-       ENDCOMMAND
-     };
-
-