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Commit b04c99e3 authored by Linus Torvalds's avatar Linus Torvalds
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Revert "Input: introduce BTN/ABS bits for drums and guitars" 

This reverts commits 61e00655, 73f8645d and 8e22ecb6:
  "Input: introduce BTN/ABS bits for drums and guitars"
  "HID: wiimote: add support for Guitar-Hero drums"
  "HID: wiimote: add support for Guitar-Hero guitars"

The extra new ABS_xx values resulted in ABS_MAX no longer being a
power-of-two, which broke the comparison logic.  It also caused the
ioctl numbers to overflow into the next byte, causing problems for that.

We'll try again for 3.13.
Reported-by: default avatarMarkus Trippelsdorf <markus@trippelsdorf.de>
Reported-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
Acked-by: default avatarDavid Herrmann <dh.herrmann@gmail.com>
Acked-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 44598f98
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Showing with 3 additions and 433 deletions
drivers/hid/hid-wiimote-core.c
View file @ b04c99e3
......@@ -455,12 +455,6 @@ static __u8 wiimote_cmd_read_ext(struct wiimote_data *wdata, __u8 *rmem)
return WIIMOTE_EXT_BALANCE_BOARD;
if (rmem[4] == 0x01 && rmem[5] == 0x20)
return WIIMOTE_EXT_PRO_CONTROLLER;
if (rmem[0] == 0x01 && rmem[1] == 0x00 &&
rmem[4] == 0x01 && rmem[5] == 0x03)
return WIIMOTE_EXT_GUITAR_HERO_DRUMS;
if (rmem[0] == 0x00 && rmem[1] == 0x00 &&
rmem[4] == 0x01 && rmem[5] == 0x03)
return WIIMOTE_EXT_GUITAR_HERO_GUITAR;
return WIIMOTE_EXT_UNKNOWN;
}
......@@ -494,8 +488,6 @@ static bool wiimote_cmd_map_mp(struct wiimote_data *wdata, __u8 exttype)
/* map MP with correct pass-through mode */
switch (exttype) {
case WIIMOTE_EXT_CLASSIC_CONTROLLER:
case WIIMOTE_EXT_GUITAR_HERO_DRUMS:
case WIIMOTE_EXT_GUITAR_HERO_GUITAR:
wmem = 0x07;
break;
case WIIMOTE_EXT_NUNCHUK:
......@@ -1083,8 +1075,6 @@ static const char *wiimote_exttype_names[WIIMOTE_EXT_NUM] = {
[WIIMOTE_EXT_CLASSIC_CONTROLLER] = "Nintendo Wii Classic Controller",
[WIIMOTE_EXT_BALANCE_BOARD] = "Nintendo Wii Balance Board",
[WIIMOTE_EXT_PRO_CONTROLLER] = "Nintendo Wii U Pro Controller",
[WIIMOTE_EXT_GUITAR_HERO_DRUMS] = "Nintendo Wii Guitar Hero Drums",
[WIIMOTE_EXT_GUITAR_HERO_GUITAR] = "Nintendo Wii Guitar Hero Guitar",
};
/*
......@@ -1670,10 +1660,6 @@ static ssize_t wiimote_ext_show(struct device *dev,
return sprintf(buf, "balanceboard\n");
case WIIMOTE_EXT_PRO_CONTROLLER:
return sprintf(buf, "procontroller\n");
case WIIMOTE_EXT_GUITAR_HERO_DRUMS:
return sprintf(buf, "drums\n");
case WIIMOTE_EXT_GUITAR_HERO_GUITAR:
return sprintf(buf, "guitar\n");
case WIIMOTE_EXT_UNKNOWN:
/* fallthrough */
default:
......
drivers/hid/hid-wiimote-modules.c
View file @ b04c99e3
......@@ -1833,396 +1833,6 @@ static const struct wiimod_ops wiimod_pro = {
.in_ext = wiimod_pro_in_ext,
};
/*
* Drums
* Guitar-Hero, Rock-Band and other games came bundled with drums which can
* be plugged as extension to a Wiimote. Drum-reports are still not entirely
* figured out, but the most important information is known.
* We create a separate device for drums and report all information via this
* input device.
*/
static inline void wiimod_drums_report_pressure(struct wiimote_data *wdata,
__u8 none, __u8 which,
__u8 pressure, __u8 onoff,
__u8 *store, __u16 code,
__u8 which_code)
{
static const __u8 default_pressure = 3;
if (!none && which == which_code) {
*store = pressure;
input_report_abs(wdata->extension.input, code, *store);
} else if (onoff != !!*store) {
*store = onoff ? default_pressure : 0;
input_report_abs(wdata->extension.input, code, *store);
}
}
static void wiimod_drums_in_ext(struct wiimote_data *wdata, const __u8 *ext)
{
__u8 pressure, which, none, hhp, sx, sy;
__u8 o, r, y, g, b, bass, bm, bp;
/* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 1 | 0 | 0 | SX <5:0> |
* 2 | 0 | 0 | SY <5:0> |
* -----+-----+-----+-----------------------------+-----+
* 3 | HPP | NON | WHICH <5:1> | ? |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 4 | SOFT <7:5> | 0 | 1 | 1 | 0 | ? |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 5 | ? | 1 | 1 | B- | 1 | B+ | 1 | ? |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 6 | O | R | Y | G | B | BSS | 1 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* All buttons are 0 if pressed
*
* With Motion+ enabled, the following bits will get invalid:
* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 1 | 0 | 0 | SX <5:1> |XXXXX|
* 2 | 0 | 0 | SY <5:1> |XXXXX|
* -----+-----+-----+-----------------------------+-----+
* 3 | HPP | NON | WHICH <5:1> | ? |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 4 | SOFT <7:5> | 0 | 1 | 1 | 0 | ? |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 5 | ? | 1 | 1 | B- | 1 | B+ | 1 |XXXXX|
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 6 | O | R | Y | G | B | BSS |XXXXX|XXXXX|
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
*/
pressure = 7 - (ext[3] >> 5);
which = (ext[2] >> 1) & 0x1f;
none = !!(ext[2] & 0x40);
hhp = !(ext[2] & 0x80);
sx = ext[0] & 0x3f;
sy = ext[1] & 0x3f;
o = !(ext[5] & 0x80);
r = !(ext[5] & 0x40);
y = !(ext[5] & 0x20);
g = !(ext[5] & 0x10);
b = !(ext[5] & 0x08);
bass = !(ext[5] & 0x04);
bm = !(ext[4] & 0x10);
bp = !(ext[4] & 0x04);
wiimod_drums_report_pressure(wdata, none, which, pressure,
o, &wdata->state.pressure_drums[0],
ABS_CYMBAL_RIGHT, 0x0e);
wiimod_drums_report_pressure(wdata, none, which, pressure,
r, &wdata->state.pressure_drums[1],
ABS_TOM_LEFT, 0x19);
wiimod_drums_report_pressure(wdata, none, which, pressure,
y, &wdata->state.pressure_drums[2],
ABS_CYMBAL_LEFT, 0x11);
wiimod_drums_report_pressure(wdata, none, which, pressure,
g, &wdata->state.pressure_drums[3],
ABS_TOM_FAR_RIGHT, 0x12);
wiimod_drums_report_pressure(wdata, none, which, pressure,
b, &wdata->state.pressure_drums[4],
ABS_TOM_RIGHT, 0x0f);
/* Bass shares pressure with hi-hat (set via hhp) */
wiimod_drums_report_pressure(wdata, none, hhp ? 0xff : which, pressure,
bass, &wdata->state.pressure_drums[5],
ABS_BASS, 0x1b);
/* Hi-hat has no on/off values, just pressure. Force to off/0. */
wiimod_drums_report_pressure(wdata, none, hhp ? which : 0xff, pressure,
0, &wdata->state.pressure_drums[6],
ABS_HI_HAT, 0x0e);
input_report_abs(wdata->extension.input, ABS_X, sx - 0x20);
input_report_abs(wdata->extension.input, ABS_Y, sy - 0x20);
input_report_key(wdata->extension.input, BTN_START, bp);
input_report_key(wdata->extension.input, BTN_SELECT, bm);
input_sync(wdata->extension.input);
}
static int wiimod_drums_open(struct input_dev *dev)
{
struct wiimote_data *wdata = input_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&wdata->state.lock, flags);
wdata->state.flags |= WIIPROTO_FLAG_EXT_USED;
wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
spin_unlock_irqrestore(&wdata->state.lock, flags);
return 0;
}
static void wiimod_drums_close(struct input_dev *dev)
{
struct wiimote_data *wdata = input_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&wdata->state.lock, flags);
wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED;
wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
spin_unlock_irqrestore(&wdata->state.lock, flags);
}
static int wiimod_drums_probe(const struct wiimod_ops *ops,
struct wiimote_data *wdata)
{
int ret;
wdata->extension.input = input_allocate_device();
if (!wdata->extension.input)
return -ENOMEM;
input_set_drvdata(wdata->extension.input, wdata);
wdata->extension.input->open = wiimod_drums_open;
wdata->extension.input->close = wiimod_drums_close;
wdata->extension.input->dev.parent = &wdata->hdev->dev;
wdata->extension.input->id.bustype = wdata->hdev->bus;
wdata->extension.input->id.vendor = wdata->hdev->vendor;
wdata->extension.input->id.product = wdata->hdev->product;
wdata->extension.input->id.version = wdata->hdev->version;
wdata->extension.input->name = WIIMOTE_NAME " Drums";
set_bit(EV_KEY, wdata->extension.input->evbit);
set_bit(BTN_START, wdata->extension.input->keybit);
set_bit(BTN_SELECT, wdata->extension.input->keybit);
set_bit(EV_ABS, wdata->extension.input->evbit);
set_bit(ABS_X, wdata->extension.input->absbit);
set_bit(ABS_Y, wdata->extension.input->absbit);
set_bit(ABS_TOM_LEFT, wdata->extension.input->absbit);
set_bit(ABS_TOM_RIGHT, wdata->extension.input->absbit);
set_bit(ABS_TOM_FAR_RIGHT, wdata->extension.input->absbit);
set_bit(ABS_CYMBAL_LEFT, wdata->extension.input->absbit);
set_bit(ABS_CYMBAL_RIGHT, wdata->extension.input->absbit);
set_bit(ABS_BASS, wdata->extension.input->absbit);
set_bit(ABS_HI_HAT, wdata->extension.input->absbit);
input_set_abs_params(wdata->extension.input,
ABS_X, -32, 31, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_Y, -32, 31, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_TOM_LEFT, 0, 7, 0, 0);
input_set_abs_params(wdata->extension.input,
ABS_TOM_RIGHT, 0, 7, 0, 0);
input_set_abs_params(wdata->extension.input,
ABS_TOM_FAR_RIGHT, 0, 7, 0, 0);
input_set_abs_params(wdata->extension.input,
ABS_CYMBAL_LEFT, 0, 7, 0, 0);
input_set_abs_params(wdata->extension.input,
ABS_CYMBAL_RIGHT, 0, 7, 0, 0);
input_set_abs_params(wdata->extension.input,
ABS_BASS, 0, 7, 0, 0);
input_set_abs_params(wdata->extension.input,
ABS_HI_HAT, 0, 7, 0, 0);
ret = input_register_device(wdata->extension.input);
if (ret)
goto err_free;
return 0;
err_free:
input_free_device(wdata->extension.input);
wdata->extension.input = NULL;
return ret;
}
static void wiimod_drums_remove(const struct wiimod_ops *ops,
struct wiimote_data *wdata)
{
if (!wdata->extension.input)
return;
input_unregister_device(wdata->extension.input);
wdata->extension.input = NULL;
}
static const struct wiimod_ops wiimod_drums = {
.flags = 0,
.arg = 0,
.probe = wiimod_drums_probe,
.remove = wiimod_drums_remove,
.in_ext = wiimod_drums_in_ext,
};
/*
* Guitar
* Guitar-Hero, Rock-Band and other games came bundled with guitars which can
* be plugged as extension to a Wiimote.
* We create a separate device for guitars and report all information via this
* input device.
*/
static void wiimod_guitar_in_ext(struct wiimote_data *wdata, const __u8 *ext)
{
__u8 sx, sy, tb, wb, bd, bm, bp, bo, br, bb, bg, by, bu;
/* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 1 | 0 | 0 | SX <5:0> |
* 2 | 0 | 0 | SY <5:0> |
* -----+-----+-----+-----+-----------------------------+
* 3 | 0 | 0 | 0 | TB <4:0> |
* -----+-----+-----+-----+-----------------------------+
* 4 | 0 | 0 | 0 | WB <4:0> |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 5 | 1 | BD | 1 | B- | 1 | B+ | 1 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 6 | BO | BR | BB | BG | BY | 1 | 1 | BU |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* All buttons are 0 if pressed
*
* With Motion+ enabled, the following bits will get invalid:
* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 1 | 0 | 0 | SX <5:1> |XXXXX|
* 2 | 0 | 0 | SY <5:1> |XXXXX|
* -----+-----+-----+-----+-----------------------+-----+
* 3 | 0 | 0 | 0 | TB <4:0> |
* -----+-----+-----+-----+-----------------------------+
* 4 | 0 | 0 | 0 | WB <4:0> |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 5 | 1 | BD | 1 | B- | 1 | B+ | 1 |XXXXX|
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 6 | BO | BR | BB | BG | BY | 1 |XXXXX|XXXXX|
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
*/
sx = ext[0] & 0x3f;
sy = ext[1] & 0x3f;
tb = ext[2] & 0x1f;
wb = ext[3] & 0x1f;
bd = !(ext[4] & 0x40);
bm = !(ext[4] & 0x10);
bp = !(ext[4] & 0x04);
bo = !(ext[5] & 0x80);
br = !(ext[5] & 0x40);
bb = !(ext[5] & 0x20);
bg = !(ext[5] & 0x10);
by = !(ext[5] & 0x08);
bu = !(ext[5] & 0x01);
input_report_abs(wdata->extension.input, ABS_X, sx - 0x20);
input_report_abs(wdata->extension.input, ABS_Y, sy - 0x20);
input_report_abs(wdata->extension.input, ABS_FRET_BOARD, tb);
input_report_abs(wdata->extension.input, ABS_WHAMMY_BAR, wb - 0x10);
input_report_key(wdata->extension.input, BTN_MODE, bm);
input_report_key(wdata->extension.input, BTN_START, bp);
input_report_key(wdata->extension.input, BTN_STRUM_BAR_UP, bu);
input_report_key(wdata->extension.input, BTN_STRUM_BAR_DOWN, bd);
input_report_key(wdata->extension.input, BTN_FRET_FAR_UP, bg);
input_report_key(wdata->extension.input, BTN_FRET_UP, br);
input_report_key(wdata->extension.input, BTN_FRET_MID, by);
input_report_key(wdata->extension.input, BTN_FRET_LOW, bb);
input_report_key(wdata->extension.input, BTN_FRET_FAR_LOW, bo);
input_sync(wdata->extension.input);
}
static int wiimod_guitar_open(struct input_dev *dev)
{
struct wiimote_data *wdata = input_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&wdata->state.lock, flags);
wdata->state.flags |= WIIPROTO_FLAG_EXT_USED;
wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
spin_unlock_irqrestore(&wdata->state.lock, flags);
return 0;
}
static void wiimod_guitar_close(struct input_dev *dev)
{
struct wiimote_data *wdata = input_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&wdata->state.lock, flags);
wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED;
wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
spin_unlock_irqrestore(&wdata->state.lock, flags);
}
static int wiimod_guitar_probe(const struct wiimod_ops *ops,
struct wiimote_data *wdata)
{
int ret;
wdata->extension.input = input_allocate_device();
if (!wdata->extension.input)
return -ENOMEM;
input_set_drvdata(wdata->extension.input, wdata);
wdata->extension.input->open = wiimod_guitar_open;
wdata->extension.input->close = wiimod_guitar_close;
wdata->extension.input->dev.parent = &wdata->hdev->dev;
wdata->extension.input->id.bustype = wdata->hdev->bus;
wdata->extension.input->id.vendor = wdata->hdev->vendor;
wdata->extension.input->id.product = wdata->hdev->product;
wdata->extension.input->id.version = wdata->hdev->version;
wdata->extension.input->name = WIIMOTE_NAME " Guitar";
set_bit(EV_KEY, wdata->extension.input->evbit);
set_bit(BTN_MODE, wdata->extension.input->keybit);
set_bit(BTN_START, wdata->extension.input->keybit);
set_bit(BTN_FRET_FAR_UP, wdata->extension.input->keybit);
set_bit(BTN_FRET_UP, wdata->extension.input->keybit);
set_bit(BTN_FRET_MID, wdata->extension.input->keybit);
set_bit(BTN_FRET_LOW, wdata->extension.input->keybit);
set_bit(BTN_FRET_FAR_LOW, wdata->extension.input->keybit);
set_bit(BTN_STRUM_BAR_UP, wdata->extension.input->keybit);
set_bit(BTN_STRUM_BAR_DOWN, wdata->extension.input->keybit);
set_bit(EV_ABS, wdata->extension.input->evbit);
set_bit(ABS_X, wdata->extension.input->absbit);
set_bit(ABS_Y, wdata->extension.input->absbit);
set_bit(ABS_FRET_BOARD, wdata->extension.input->absbit);
set_bit(ABS_WHAMMY_BAR, wdata->extension.input->absbit);
input_set_abs_params(wdata->extension.input,
ABS_X, -32, 31, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_Y, -32, 31, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_FRET_BOARD, 0, 0x1f, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_WHAMMY_BAR, 0, 0x0f, 1, 1);
ret = input_register_device(wdata->extension.input);
if (ret)
goto err_free;
return 0;
err_free:
input_free_device(wdata->extension.input);
wdata->extension.input = NULL;
return ret;
}
static void wiimod_guitar_remove(const struct wiimod_ops *ops,
struct wiimote_data *wdata)
{
if (!wdata->extension.input)
return;
input_unregister_device(wdata->extension.input);
wdata->extension.input = NULL;
}
static const struct wiimod_ops wiimod_guitar = {
.flags = 0,
.arg = 0,
.probe = wiimod_guitar_probe,
.remove = wiimod_guitar_remove,
.in_ext = wiimod_guitar_in_ext,
};
/*
* Builtin Motion Plus
* This module simply sets the WIIPROTO_FLAG_BUILTIN_MP protocol flag which
......@@ -2473,6 +2083,4 @@ const struct wiimod_ops *wiimod_ext_table[WIIMOTE_EXT_NUM] = {
[WIIMOTE_EXT_CLASSIC_CONTROLLER] = &wiimod_classic,
[WIIMOTE_EXT_BALANCE_BOARD] = &wiimod_bboard,
[WIIMOTE_EXT_PRO_CONTROLLER] = &wiimod_pro,
[WIIMOTE_EXT_GUITAR_HERO_DRUMS] = &wiimod_drums,
[WIIMOTE_EXT_GUITAR_HERO_GUITAR] = &wiimod_guitar,
};
drivers/hid/hid-wiimote.h
View file @ b04c99e3
......@@ -88,8 +88,6 @@ enum wiimote_exttype {
WIIMOTE_EXT_CLASSIC_CONTROLLER,
WIIMOTE_EXT_BALANCE_BOARD,
WIIMOTE_EXT_PRO_CONTROLLER,
WIIMOTE_EXT_GUITAR_HERO_DRUMS,
WIIMOTE_EXT_GUITAR_HERO_GUITAR,
WIIMOTE_EXT_NUM,
};
......@@ -137,7 +135,6 @@ struct wiimote_state {
/* calibration data */
__u16 calib_bboard[4][3];
__u8 pressure_drums[7];
};
struct wiimote_data {
......
include/linux/mod_devicetable.h
View file @ b04c99e3
......@@ -277,7 +277,7 @@ struct pcmcia_device_id {
#define INPUT_DEVICE_ID_KEY_MIN_INTERESTING 0x71
#define INPUT_DEVICE_ID_KEY_MAX 0x2ff
#define INPUT_DEVICE_ID_REL_MAX 0x0f
#define INPUT_DEVICE_ID_ABS_MAX 0x4f
#define INPUT_DEVICE_ID_ABS_MAX 0x3f
#define INPUT_DEVICE_ID_MSC_MAX 0x07
#define INPUT_DEVICE_ID_LED_MAX 0x0f
#define INPUT_DEVICE_ID_SND_MAX 0x07
......
include/uapi/linux/input.h
View file @ b04c99e3
......@@ -716,14 +716,6 @@ struct input_keymap_entry {
#define BTN_DPAD_LEFT 0x222
#define BTN_DPAD_RIGHT 0x223
#define BTN_FRET_FAR_UP 0x224
#define BTN_FRET_UP 0x225
#define BTN_FRET_MID 0x226
#define BTN_FRET_LOW 0x227
#define BTN_FRET_FAR_LOW 0x228
#define BTN_STRUM_BAR_UP 0x229
#define BTN_STRUM_BAR_DOWN 0x22a
#define BTN_TRIGGER_HAPPY 0x2c0
#define BTN_TRIGGER_HAPPY1 0x2c0
#define BTN_TRIGGER_HAPPY2 0x2c1
......@@ -837,21 +829,8 @@ struct input_keymap_entry {
#define ABS_MT_TOOL_X 0x3c /* Center X tool position */
#define ABS_MT_TOOL_Y 0x3d /* Center Y tool position */
/* Drums and guitars (mostly toys) */
#define ABS_TOM_FAR_LEFT 0x40
#define ABS_TOM_LEFT 0x41
#define ABS_TOM_RIGHT 0x42
#define ABS_TOM_FAR_RIGHT 0x43
#define ABS_CYMBAL_FAR_LEFT 0x44
#define ABS_CYMBAL_LEFT 0x45
#define ABS_CYMBAL_RIGHT 0x46
#define ABS_CYMBAL_FAR_RIGHT 0x47
#define ABS_BASS 0x48
#define ABS_HI_HAT 0x49
#define ABS_FRET_BOARD 0x4a /* Guitar fret board, vertical pos */
#define ABS_WHAMMY_BAR 0x4b /* Guitar whammy bar (or vibrato) */
#define ABS_MAX 0x4f
#define ABS_MAX 0x3f
#define ABS_CNT (ABS_MAX+1)
/*
......
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