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Diffstat (limited to 'drivers/hid/hid-ortek.c')
-rw-r--r--drivers/hid/hid-ortek.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/hid/hid-ortek.c b/drivers/hid/hid-ortek.c
index f9b7dd4f607f..0ffa1d2d64f0 100644
--- a/drivers/hid/hid-ortek.c
+++ b/drivers/hid/hid-ortek.c
@@ -1,8 +1,14 @@
1/* 1/*
2 * HID driver for Ortek PKB-1700/WKB-2000 (wireless keyboard + mouse trackpad). 2 * HID driver for various devices which are apparently based on the same chipset
3 * Fixes LogicalMaximum error in HID report description. 3 * from certain vendor which produces chips that contain wrong LogicalMaximum
4 * value in their HID report descriptor. Currently supported devices are:
5 *
6 * Ortek PKB-1700
7 * Ortek WKB-2000
8 * Skycable wireless presenter
4 * 9 *
5 * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> 10 * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com>
11 * Copyright (c) 2011 Jiri Kosina
6 */ 12 */
7 13
8/* 14/*
@@ -22,8 +28,11 @@ static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc,
22 unsigned int *rsize) 28 unsigned int *rsize)
23{ 29{
24 if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) { 30 if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) {
25 hid_info(hdev, "Fixing up Ortek WKB-2000 report descriptor\n"); 31 hid_info(hdev, "Fixing up logical minimum in report descriptor (Ortek)\n");
26 rdesc[55] = 0x92; 32 rdesc[55] = 0x92;
33 } else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) {
34 hid_info(hdev, "Fixing up logical minimum in report descriptor (Skycable)\n");
35 rdesc[53] = 0x65;
27 } 36 }
28 return rdesc; 37 return rdesc;
29} 38}
@@ -31,6 +40,7 @@ static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc,
31static const struct hid_device_id ortek_devices[] = { 40static const struct hid_device_id ortek_devices[] = {
32 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, 41 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
33 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, 42 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
43 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
34 { } 44 { }
35}; 45};
36MODULE_DEVICE_TABLE(hid, ortek_devices); 46MODULE_DEVICE_TABLE(hid, ortek_devices);