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@@ -0,0 +1,220 @@
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+/*
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+ * HID driver for some microsoft "special" devices
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+ *
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+ * Copyright (c) 1999 Andreas Gal
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+ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
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+ * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
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+ * Copyright (c) 2006-2007 Jiri Kosina
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+ * Copyright (c) 2007 Paul Walmsley
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+ * Copyright (c) 2008 Jiri Slaby
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+ */
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+
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+/*
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License as published by the Free
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+ * Software Foundation; either version 2 of the License, or (at your option)
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+ * any later version.
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+ */
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+
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+#include <linux/device.h>
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+#include <linux/input.h>
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+#include <linux/hid.h>
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+#include <linux/module.h>
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+
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+#include "hid-ids.h"
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+
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+#define MS_HIDINPUT 0x01
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+#define MS_ERGONOMY 0x02
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+#define MS_PRESENTER 0x04
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+#define MS_RDESC 0x08
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+#define MS_NOGET 0x10
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+
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+/*
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+ * Microsoft Wireless Desktop Receiver (Model 1028) has several
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+ * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
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+ */
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+static void ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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+ unsigned int rsize)
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+{
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+ unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
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+
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+ if ((quirks & MS_RDESC) && rsize == 571 && rdesc[284] == 0x19 &&
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+ rdesc[286] == 0x2a && rdesc[304] == 0x19 &&
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+ rdesc[306] == 0x29 && rdesc[352] == 0x1a &&
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+ rdesc[355] == 0x2a && rdesc[557] == 0x19 &&
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+ rdesc[559] == 0x29) {
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+ dev_info(&hdev->dev, "fixing up Microsoft Wireless Receiver "
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+ "Model 1028 report descriptor\n");
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+ rdesc[284] = rdesc[304] = rdesc[557] = 0x35;
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+ rdesc[352] = 0x36;
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+ rdesc[286] = rdesc[355] = 0x46;
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+ rdesc[306] = rdesc[559] = 0x45;
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+ }
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+}
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+
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+#define ms_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
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+ EV_KEY, (c))
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+static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage,
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+ unsigned long **bit, int *max)
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+{
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+ struct input_dev *input = hi->input;
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+
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+ switch (usage->hid & HID_USAGE) {
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+ case 0xfd06: ms_map_key_clear(KEY_CHAT); break;
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+ case 0xfd07: ms_map_key_clear(KEY_PHONE); break;
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+ case 0xff05:
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+ set_bit(EV_REP, input->evbit);
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+ ms_map_key_clear(KEY_F13);
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+ set_bit(KEY_F14, input->keybit);
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+ set_bit(KEY_F15, input->keybit);
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+ set_bit(KEY_F16, input->keybit);
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+ set_bit(KEY_F17, input->keybit);
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+ set_bit(KEY_F18, input->keybit);
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+ default:
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+ return 0;
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+ }
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+ return 1;
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+}
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+
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+static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage,
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+ unsigned long **bit, int *max)
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+{
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+ set_bit(EV_REP, hi->input->evbit);
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+ switch (usage->hid & HID_USAGE) {
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+ case 0xfd08: ms_map_key_clear(KEY_FORWARD); break;
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+ case 0xfd09: ms_map_key_clear(KEY_BACK); break;
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+ case 0xfd0b: ms_map_key_clear(KEY_PLAYPAUSE); break;
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+ case 0xfd0e: ms_map_key_clear(KEY_CLOSE); break;
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+ case 0xfd0f: ms_map_key_clear(KEY_PLAY); break;
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+ default:
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+ return 0;
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+ }
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+ return 1;
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+}
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+
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+static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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+ struct hid_field *field, struct hid_usage *usage,
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+ unsigned long **bit, int *max)
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+{
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+ unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
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+
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+ if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
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+ return 0;
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+
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+ if (quirks & MS_ERGONOMY) {
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+ int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max);
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+ if (ret)
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+ return ret;
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+ }
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+
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+ if ((quirks & MS_PRESENTER) &&
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+ ms_presenter_8k_quirk(hi, usage, bit, max))
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+ return 1;
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+
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+ return 0;
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+}
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+
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+static int ms_event(struct hid_device *hdev, struct hid_field *field,
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+ struct hid_usage *usage, __s32 value)
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+{
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+ unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
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+
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+ if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput ||
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+ !usage->type)
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+ return 0;
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+
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+ /* Handling MS keyboards special buttons */
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+ if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) {
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+ struct input_dev *input = field->hidinput->input;
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+ static unsigned int last_key = 0;
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+ unsigned int key = 0;
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+ switch (value) {
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+ case 0x01: key = KEY_F14; break;
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+ case 0x02: key = KEY_F15; break;
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+ case 0x04: key = KEY_F16; break;
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+ case 0x08: key = KEY_F17; break;
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+ case 0x10: key = KEY_F18; break;
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+ }
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+ if (key) {
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+ input_event(input, usage->type, key, 1);
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+ last_key = key;
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+ } else
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+ input_event(input, usage->type, last_key, 0);
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+
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+ return 1;
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+ }
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+
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+ return 0;
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+}
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+
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+static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id)
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+{
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+ unsigned long quirks = id->driver_data;
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+ int ret;
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+
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+ hid_set_drvdata(hdev, (void *)quirks);
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+
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+ if (quirks & MS_HIDINPUT)
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+ hdev->quirks |= HID_QUIRK_HIDINPUT;
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+ if (quirks & MS_NOGET)
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+ hdev->quirks |= HID_QUIRK_NOGET;
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+
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+ ret = hid_parse(hdev);
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+ if (ret) {
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+ dev_err(&hdev->dev, "parse failed\n");
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+ goto err_free;
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+ }
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+
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+ ret = hid_hw_start(hdev);
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+ if (ret) {
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+ dev_err(&hdev->dev, "hw start failed\n");
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+ goto err_free;
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+ }
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+
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+ return 0;
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+err_free:
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+ return ret;
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+}
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+
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+static const struct hid_device_id ms_devices[] = {
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+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV),
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+ .driver_data = MS_HIDINPUT },
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+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K),
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+ .driver_data = MS_ERGONOMY },
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+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K),
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+ .driver_data = MS_ERGONOMY | MS_RDESC },
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+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB),
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+ .driver_data = MS_PRESENTER },
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+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0),
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+ .driver_data = MS_NOGET },
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+
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+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT),
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+ .driver_data = MS_PRESENTER },
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+ { }
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+};
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+MODULE_DEVICE_TABLE(hid, ms_devices);
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+
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+static struct hid_driver ms_driver = {
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+ .name = "microsoft",
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+ .id_table = ms_devices,
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+ .report_fixup = ms_report_fixup,
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+ .input_mapping = ms_input_mapping,
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+ .event = ms_event,
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+ .probe = ms_probe,
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+};
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+
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+static int ms_init(void)
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+{
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+ return hid_register_driver(&ms_driver);
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+}
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+
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+static void ms_exit(void)
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+{
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+ hid_unregister_driver(&ms_driver);
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+}
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+
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+module_init(ms_init);
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+module_exit(ms_exit);
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+MODULE_LICENSE("GPL");
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+
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+HID_COMPAT_LOAD_DRIVER(microsoft);
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Jiri Slaby