]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/hid/hid-input.c
HID: separate hid-input event quirks from generic code
[linux-2.6-omap-h63xx.git] / drivers / hid / hid-input.c
index 0b27da7d749700b4d0e2481b7c121ce9fa033aaa..aeb018e31bfcc9fe7d56a85b958d041729837f19 100644 (file)
 #include <linux/hid.h>
 #include <linux/hid-debug.h>
 
-static int hid_pb_fnmode = 1;
-module_param_named(pb_fnmode, hid_pb_fnmode, int, 0644);
+static int hid_apple_fnmode = 1;
+module_param_named(pb_fnmode, hid_apple_fnmode, int, 0644);
 MODULE_PARM_DESC(pb_fnmode,
-               "Mode of fn key on PowerBooks (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
+               "Mode of fn key on Apple keyboards (0 = disabled, 1 = fkeyslast, 2 = fkeysfirst)");
 
 #define unk    KEY_UNKNOWN
 
@@ -86,10 +86,6 @@ static const struct {
 #define map_abs_clear(c)       do { map_abs(c); clear_bit(c, bit); } while (0)
 #define map_key_clear(c)       do { map_key(c); clear_bit(c, bit); } while (0)
 
-/* hardware needing special handling due to colliding MSVENDOR page usages */
-#define IS_CHICONY_TACTICAL_PAD(x) (x->vendor == 0x04f2 && device->product == 0x0418)
-#define IS_MS_KB(x) (x->vendor == 0x045e && (x->product == 0x00db || x->product == 0x00f9))
-
 #ifdef CONFIG_USB_HIDINPUT_POWERBOOK
 
 struct hidinput_key_translation {
@@ -98,20 +94,36 @@ struct hidinput_key_translation {
        u8 flags;
 };
 
-#define POWERBOOK_FLAG_FKEY 0x01
+#define APPLE_FLAG_FKEY 0x01
+
+static struct hidinput_key_translation apple_fn_keys[] = {
+       { KEY_F1,       KEY_BRIGHTNESSDOWN,     APPLE_FLAG_FKEY },
+       { KEY_F2,       KEY_BRIGHTNESSUP,       APPLE_FLAG_FKEY },
+       { KEY_F3,       KEY_CYCLEWINDOWS,       APPLE_FLAG_FKEY }, /* Exposé */
+       { KEY_F4,       KEY_FN_F4,              APPLE_FLAG_FKEY }, /* Dashboard */
+       { KEY_F5,       KEY_FN_F5 },
+       { KEY_F6,       KEY_FN_F6 },
+       { KEY_F7,       KEY_BACK,               APPLE_FLAG_FKEY },
+       { KEY_F8,       KEY_PLAYPAUSE,          APPLE_FLAG_FKEY },
+       { KEY_F9,       KEY_FORWARD,            APPLE_FLAG_FKEY },
+       { KEY_F10,      KEY_MUTE,               APPLE_FLAG_FKEY },
+       { KEY_F11,      KEY_VOLUMEDOWN,         APPLE_FLAG_FKEY },
+       { KEY_F12,      KEY_VOLUMEUP,           APPLE_FLAG_FKEY },
+       { }
+};
 
 static struct hidinput_key_translation powerbook_fn_keys[] = {
        { KEY_BACKSPACE, KEY_DELETE },
-       { KEY_F1,       KEY_BRIGHTNESSDOWN,     POWERBOOK_FLAG_FKEY },
-       { KEY_F2,       KEY_BRIGHTNESSUP,       POWERBOOK_FLAG_FKEY },
-       { KEY_F3,       KEY_MUTE,               POWERBOOK_FLAG_FKEY },
-       { KEY_F4,       KEY_VOLUMEDOWN,         POWERBOOK_FLAG_FKEY },
-       { KEY_F5,       KEY_VOLUMEUP,           POWERBOOK_FLAG_FKEY },
-       { KEY_F6,       KEY_NUMLOCK,            POWERBOOK_FLAG_FKEY },
-       { KEY_F7,       KEY_SWITCHVIDEOMODE,    POWERBOOK_FLAG_FKEY },
-       { KEY_F8,       KEY_KBDILLUMTOGGLE,     POWERBOOK_FLAG_FKEY },
-       { KEY_F9,       KEY_KBDILLUMDOWN,       POWERBOOK_FLAG_FKEY },
-       { KEY_F10,      KEY_KBDILLUMUP,         POWERBOOK_FLAG_FKEY },
+       { KEY_F1,       KEY_BRIGHTNESSDOWN,     APPLE_FLAG_FKEY },
+       { KEY_F2,       KEY_BRIGHTNESSUP,       APPLE_FLAG_FKEY },
+       { KEY_F3,       KEY_MUTE,               APPLE_FLAG_FKEY },
+       { KEY_F4,       KEY_VOLUMEDOWN,         APPLE_FLAG_FKEY },
+       { KEY_F5,       KEY_VOLUMEUP,           APPLE_FLAG_FKEY },
+       { KEY_F6,       KEY_NUMLOCK,            APPLE_FLAG_FKEY },
+       { KEY_F7,       KEY_SWITCHVIDEOMODE,    APPLE_FLAG_FKEY },
+       { KEY_F8,       KEY_KBDILLUMTOGGLE,     APPLE_FLAG_FKEY },
+       { KEY_F9,       KEY_KBDILLUMDOWN,       APPLE_FLAG_FKEY },
+       { KEY_F10,      KEY_KBDILLUMUP,         APPLE_FLAG_FKEY },
        { KEY_UP,       KEY_PAGEUP },
        { KEY_DOWN,     KEY_PAGEDOWN },
        { KEY_LEFT,     KEY_HOME },
@@ -142,7 +154,7 @@ static struct hidinput_key_translation powerbook_numlock_keys[] = {
        { }
 };
 
-static struct hidinput_key_translation powerbook_iso_keyboard[] = {
+static struct hidinput_key_translation apple_iso_keyboard[] = {
        { KEY_GRAVE,    KEY_102ND },
        { KEY_102ND,    KEY_GRAVE },
        { }
@@ -160,39 +172,42 @@ static struct hidinput_key_translation *find_translation(struct hidinput_key_tra
        return NULL;
 }
 
-static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
+int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
                struct hid_usage *usage, __s32 value)
 {
        struct hidinput_key_translation *trans;
 
        if (usage->code == KEY_FN) {
-               if (value) hid->quirks |=  HID_QUIRK_POWERBOOK_FN_ON;
-               else       hid->quirks &= ~HID_QUIRK_POWERBOOK_FN_ON;
+               if (value) hid->quirks |=  HID_QUIRK_APPLE_FN_ON;
+               else       hid->quirks &= ~HID_QUIRK_APPLE_FN_ON;
 
                input_event(input, usage->type, usage->code, value);
 
                return 1;
        }
 
-       if (hid_pb_fnmode) {
+       if (hid_apple_fnmode) {
                int do_translate;
 
-               trans = find_translation(powerbook_fn_keys, usage->code);
+               trans = find_translation((hid->product < 0x220 ||
+                                         hid->product >= 0x300) ?
+                                        powerbook_fn_keys : apple_fn_keys,
+                                        usage->code);
                if (trans) {
-                       if (test_bit(usage->code, hid->pb_pressed_fn))
+                       if (test_bit(usage->code, hid->apple_pressed_fn))
                                do_translate = 1;
-                       else if (trans->flags & POWERBOOK_FLAG_FKEY)
+                       else if (trans->flags & APPLE_FLAG_FKEY)
                                do_translate =
-                                       (hid_pb_fnmode == 2 &&  (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON)) ||
-                                       (hid_pb_fnmode == 1 && !(hid->quirks & HID_QUIRK_POWERBOOK_FN_ON));
+                                       (hid_apple_fnmode == 2 &&  (hid->quirks & HID_QUIRK_APPLE_FN_ON)) ||
+                                       (hid_apple_fnmode == 1 && !(hid->quirks & HID_QUIRK_APPLE_FN_ON));
                        else
-                               do_translate = (hid->quirks & HID_QUIRK_POWERBOOK_FN_ON);
+                               do_translate = (hid->quirks & HID_QUIRK_APPLE_FN_ON);
 
                        if (do_translate) {
                                if (value)
-                                       set_bit(usage->code, hid->pb_pressed_fn);
+                                       set_bit(usage->code, hid->apple_pressed_fn);
                                else
-                                       clear_bit(usage->code, hid->pb_pressed_fn);
+                                       clear_bit(usage->code, hid->apple_pressed_fn);
 
                                input_event(input, usage->type, trans->to, value);
 
@@ -217,8 +232,8 @@ static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
                }
        }
 
-       if (hid->quirks & HID_QUIRK_POWERBOOK_ISO_KEYBOARD) {
-               trans = find_translation(powerbook_iso_keyboard, usage->code);
+       if (hid->quirks & HID_QUIRK_APPLE_ISO_KEYBOARD) {
+               trans = find_translation(apple_iso_keyboard, usage->code);
                if (trans) {
                        input_event(input, usage->type, trans->to, value);
                        return 1;
@@ -228,31 +243,35 @@ static int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
        return 0;
 }
 
-static void hidinput_pb_setup(struct input_dev *input)
+static void hidinput_apple_setup(struct input_dev *input)
 {
        struct hidinput_key_translation *trans;
 
        set_bit(KEY_NUMLOCK, input->keybit);
 
        /* Enable all needed keys */
+       for (trans = apple_fn_keys; trans->from; trans++)
+               set_bit(trans->to, input->keybit);
+
        for (trans = powerbook_fn_keys; trans->from; trans++)
                set_bit(trans->to, input->keybit);
 
        for (trans = powerbook_numlock_keys; trans->from; trans++)
                set_bit(trans->to, input->keybit);
 
-       for (trans = powerbook_iso_keyboard; trans->from; trans++)
+       for (trans = apple_iso_keyboard; trans->from; trans++)
                set_bit(trans->to, input->keybit);
 
 }
 #else
-static inline int hidinput_pb_event(struct hid_device *hid, struct input_dev *input,
-               struct hid_usage *usage, __s32 value)
+inline int hidinput_apple_event(struct hid_device *hid,
+                                      struct input_dev *input,
+                                      struct hid_usage *usage, __s32 value)
 {
        return 0;
 }
 
-static inline void hidinput_pb_setup(struct input_dev *input)
+static inline void hidinput_apple_setup(struct input_dev *input)
 {
 }
 #endif
@@ -343,7 +362,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 {
        struct input_dev *input = hidinput->input;
        struct hid_device *device = input_get_drvdata(input);
-       int max = 0, code;
+       int max = 0, code, ret;
        unsigned long *bit = NULL;
 
        field->hidinput = hidinput;
@@ -362,6 +381,11 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
                goto ignore;
        }
 
+       /* handle input mappings for quirky devices */
+       ret = hidinput_mapping_quirks(usage, input, bit, &max);
+       if (ret)
+               goto mapped;
+
        switch (usage->hid & HID_USAGE_PAGE) {
 
                case HID_UP_UNDEFINED:
@@ -549,14 +573,6 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
                                case 0x000: goto ignore;
                                case 0x034: map_key_clear(KEY_SLEEP);           break;
                                case 0x036: map_key_clear(BTN_MISC);            break;
-                               /*
-                                * The next three are reported by Belkin wireless
-                                * keyboard (1020:0006). These values are "reserved"
-                                * in HUT 1.12.
-                                */
-                               case 0x03a: map_key_clear(KEY_SOUND);           break;
-                               case 0x03b: map_key_clear(KEY_CAMERA);          break;
-                               case 0x03c: map_key_clear(KEY_DOCUMENTS);       break;
 
                                case 0x040: map_key_clear(KEY_MENU);            break;
                                case 0x045: map_key_clear(KEY_RADIO);           break;
@@ -602,10 +618,6 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
                                case 0x0e9: map_key_clear(KEY_VOLUMEUP);        break;
                                case 0x0ea: map_key_clear(KEY_VOLUMEDOWN);      break;
 
-                               /* reserved in HUT 1.12. Reported on Petalynx remote */
-                               case 0x0f6: map_key_clear(KEY_NEXT);            break;
-                               case 0x0fa: map_key_clear(KEY_BACK);            break;
-
                                case 0x182: map_key_clear(KEY_BOOKMARKS);       break;
                                case 0x183: map_key_clear(KEY_CONFIG);          break;
                                case 0x184: map_key_clear(KEY_WORDPROCESSOR);   break;
@@ -665,51 +677,6 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
                                case 0x28b: map_key_clear(KEY_FORWARDMAIL);     break;
                                case 0x28c: map_key_clear(KEY_SEND);            break;
 
-                               /* Reported on a Cherry Cymotion keyboard */
-                               case 0x301: map_key_clear(KEY_PROG1);           break;
-                               case 0x302: map_key_clear(KEY_PROG2);           break;
-                               case 0x303: map_key_clear(KEY_PROG3);           break;
-
-                               /* Reported on certain Logitech wireless keyboards */
-                               case 0x1001: map_key_clear(KEY_MESSENGER);      break;
-                               case 0x1003: map_key_clear(KEY_SOUND);          break;
-                               case 0x1004: map_key_clear(KEY_VIDEO);          break;
-                               case 0x1005: map_key_clear(KEY_AUDIO);          break;
-                               case 0x100a: map_key_clear(KEY_DOCUMENTS);      break;
-                               case 0x1011: map_key_clear(KEY_PREVIOUSSONG);   break;
-                               case 0x1012: map_key_clear(KEY_NEXTSONG);       break;
-                               case 0x1013: map_key_clear(KEY_CAMERA);         break;
-                               case 0x1014: map_key_clear(KEY_MESSENGER);      break;
-                               case 0x1015: map_key_clear(KEY_RECORD);         break;
-                               case 0x1016: map_key_clear(KEY_PLAYER);         break;
-                               case 0x1017: map_key_clear(KEY_EJECTCD);        break;
-                               case 0x1018: map_key_clear(KEY_MEDIA);          break;
-                               case 0x1019: map_key_clear(KEY_PROG1);          break;
-                               case 0x101a: map_key_clear(KEY_PROG2);          break;
-                               case 0x101b: map_key_clear(KEY_PROG3);          break;
-                               case 0x101f: map_key_clear(KEY_ZOOMIN);         break;
-                               case 0x1020: map_key_clear(KEY_ZOOMOUT);        break;
-                               case 0x1021: map_key_clear(KEY_ZOOMRESET);      break;
-                               case 0x1023: map_key_clear(KEY_CLOSE);          break;
-                               case 0x1027: map_key_clear(KEY_MENU);           break;
-                               /* this one is marked as 'Rotate' */
-                               case 0x1028: map_key_clear(KEY_ANGLE);          break;
-                               case 0x1029: map_key_clear(KEY_SHUFFLE);        break;
-                               case 0x102a: map_key_clear(KEY_BACK);           break;
-                               case 0x102b: map_key_clear(KEY_CYCLEWINDOWS);   break;
-                               case 0x1041: map_key_clear(KEY_BATTERY);        break;
-                               case 0x1042: map_key_clear(KEY_WORDPROCESSOR);  break;
-                               case 0x1043: map_key_clear(KEY_SPREADSHEET);    break;
-                               case 0x1044: map_key_clear(KEY_PRESENTATION);   break;
-                               case 0x1045: map_key_clear(KEY_UNDO);           break;
-                               case 0x1046: map_key_clear(KEY_REDO);           break;
-                               case 0x1047: map_key_clear(KEY_PRINT);          break;
-                               case 0x1048: map_key_clear(KEY_SAVE);           break;
-                               case 0x1049: map_key_clear(KEY_PROG1);          break;
-                               case 0x104a: map_key_clear(KEY_PROG2);          break;
-                               case 0x104b: map_key_clear(KEY_PROG3);          break;
-                               case 0x104c: map_key_clear(KEY_PROG4);          break;
-
                                default:    goto ignore;
                        }
                        break;
@@ -736,63 +703,16 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 
                case HID_UP_MSVENDOR:
 
-                       /* Unfortunately, there are multiple devices which
-                        * emit usages from MSVENDOR page that require different
-                        * handling. If this list grows too much in the future,
-                        * more general handling will have to be introduced here
-                        * (i.e. another blacklist).
-                        */
-
-                       /* Chicony Chicony KU-0418 tactical pad */
-                       if (IS_CHICONY_TACTICAL_PAD(device)) {
-                               set_bit(EV_REP, input->evbit);
-                               switch(usage->hid & HID_USAGE) {
-                                       case 0xff01: map_key_clear(BTN_1);              break;
-                                       case 0xff02: map_key_clear(BTN_2);              break;
-                                       case 0xff03: map_key_clear(BTN_3);              break;
-                                       case 0xff04: map_key_clear(BTN_4);              break;
-                                       case 0xff05: map_key_clear(BTN_5);              break;
-                                       case 0xff06: map_key_clear(BTN_6);              break;
-                                       case 0xff07: map_key_clear(BTN_7);              break;
-                                       case 0xff08: map_key_clear(BTN_8);              break;
-                                       case 0xff09: map_key_clear(BTN_9);              break;
-                                       case 0xff0a: map_key_clear(BTN_A);              break;
-                                       case 0xff0b: map_key_clear(BTN_B);              break;
-                                       default:    goto ignore;
-                               }
-
-                       /* Microsoft Natural Ergonomic Keyboard 4000 */
-                       } else if (IS_MS_KB(device)) {
-                               switch(usage->hid & HID_USAGE) {
-                                       case 0xfd06:
-                                               map_key_clear(KEY_CHAT);
-                                               break;
-                                       case 0xfd07:
-                                               map_key_clear(KEY_PHONE);
-                                               break;
-                                       case 0xff05:
-                                               set_bit(EV_REP, input->evbit);
-                                               map_key_clear(KEY_F13);
-                                               set_bit(KEY_F14, input->keybit);
-                                               set_bit(KEY_F15, input->keybit);
-                                               set_bit(KEY_F16, input->keybit);
-                                               set_bit(KEY_F17, input->keybit);
-                                               set_bit(KEY_F18, input->keybit);
-                                       default:        goto ignore;
-                               }
-                       } else {
-                               goto ignore;
-                       }
-                       break;
+                       goto ignore;
 
-               case HID_UP_CUSTOM: /* Reported on Logitech and Powerbook USB keyboards */
+               case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
 
                        set_bit(EV_REP, input->evbit);
                        switch(usage->hid & HID_USAGE) {
                                case 0x003:
-                                       /* The fn key on Apple PowerBooks */
+                                       /* The fn key on Apple USB keyboards */
                                        map_key_clear(KEY_FN);
-                                       hidinput_pb_setup(input);
+                                       hidinput_apple_setup(input);
                                        break;
 
                                default:    goto ignore;
@@ -800,38 +720,9 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
                        break;
 
                case HID_UP_LOGIVENDOR:
-                       set_bit(EV_REP, input->evbit);
-                       switch(usage->hid & HID_USAGE) {
-                               /* Reported on Logitech Ultra X Media Remote */
-                               case 0x004: map_key_clear(KEY_AGAIN);           break;
-                               case 0x00d: map_key_clear(KEY_HOME);            break;
-                               case 0x024: map_key_clear(KEY_SHUFFLE);         break;
-                               case 0x025: map_key_clear(KEY_TV);              break;
-                               case 0x026: map_key_clear(KEY_MENU);            break;
-                               case 0x031: map_key_clear(KEY_AUDIO);           break;
-                               case 0x032: map_key_clear(KEY_TEXT);            break;
-                               case 0x033: map_key_clear(KEY_LAST);            break;
-                               case 0x047: map_key_clear(KEY_MP3);             break;
-                               case 0x048: map_key_clear(KEY_DVD);             break;
-                               case 0x049: map_key_clear(KEY_MEDIA);           break;
-                               case 0x04a: map_key_clear(KEY_VIDEO);           break;
-                               case 0x04b: map_key_clear(KEY_ANGLE);           break;
-                               case 0x04c: map_key_clear(KEY_LANGUAGE);        break;
-                               case 0x04d: map_key_clear(KEY_SUBTITLE);        break;
-                               case 0x051: map_key_clear(KEY_RED);             break;
-                               case 0x052: map_key_clear(KEY_CLOSE);           break;
-
-                               /* Reported on Petalynx Maxter remote */
-                               case 0x05a: map_key_clear(KEY_TEXT);            break;
-                               case 0x05b: map_key_clear(KEY_RED);             break;
-                               case 0x05c: map_key_clear(KEY_GREEN);           break;
-                               case 0x05d: map_key_clear(KEY_YELLOW);          break;
-                               case 0x05e: map_key_clear(KEY_BLUE);            break;
-
-                               default:    goto ignore;
-                       }
-                       break;
 
+                       goto ignore;
+               
                case HID_UP_PID:
 
                        switch(usage->hid & HID_USAGE) {
@@ -858,6 +749,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
                        break;
        }
 
+mapped:
        if (device->quirks & HID_QUIRK_MIGHTYMOUSE) {
                if (usage->hid == HID_GD_Z)
                        map_rel(REL_HWHEEL);
@@ -867,9 +759,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
                        map_key(BTN_1);
        }
 
-       if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5)) &&
-                (usage->type == EV_REL) && (usage->code == REL_WHEEL))
-                       set_bit(REL_HWHEEL, bit);
+       if ((device->quirks & (HID_QUIRK_2WHEEL_MOUSE_HACK_7 | HID_QUIRK_2WHEEL_MOUSE_HACK_5 |
+                       HID_QUIRK_2WHEEL_MOUSE_HACK_B8)) && (usage->type == EV_REL) &&
+                       (usage->code == REL_WHEEL))
+               set_bit(REL_HWHEEL, bit);
 
        if (((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
                || ((device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007)))
@@ -960,25 +853,8 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
        if (!usage->type)
                return;
 
-       if (((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_5) && (usage->hid == 0x00090005))
-               || ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_7) && (usage->hid == 0x00090007))) {
-               if (value) hid->quirks |=  HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
-               else       hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON;
-               return;
-       }
-
-       if ((hid->quirks & HID_QUIRK_INVERT_HWHEEL) && (usage->code == REL_HWHEEL)) {
-               input_event(input, usage->type, usage->code, -value);
-               return;
-       }
-
-       if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) && (usage->code == REL_WHEEL)) {
-               input_event(input, usage->type, REL_HWHEEL, value);
-               return;
-       }
-
-       if ((hid->quirks & HID_QUIRK_POWERBOOK_HAS_FN) && hidinput_pb_event(hid, input, usage, value))
-               return;
+       /* handle input events for quirky devices */
+       hidinput_event_quirks(hid, field, usage, value);
 
        if (usage->hat_min < usage->hat_max || usage->hat_dir) {
                int hat_dir = usage->hat_dir;
@@ -1039,25 +915,6 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
                return;
        }
 
-       /* Handling MS keyboards special buttons */
-       if (IS_MS_KB(hid) && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
-               int key = 0;
-               static int last_key = 0;
-               switch (value) {
-                       case 0x01: key = KEY_F14; break;
-                       case 0x02: key = KEY_F15; break;
-                       case 0x04: key = KEY_F16; break;
-                       case 0x08: key = KEY_F17; break;
-                       case 0x10: key = KEY_F18; break;
-                       default: break;
-               }
-               if (key) {
-                       input_event(input, usage->type, key, 1);
-                       last_key = key;
-               } else {
-                       input_event(input, usage->type, last_key, 0);
-               }
-       }
        /* report the usage code as scancode if the key status has changed */
        if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
                input_event(input, EV_MSC, MSC_SCAN, usage->hid);