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54 lines
1.6 KiB
54 lines
1.6 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* HID driver for various devices which are apparently based on the same chipset |
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* from certain vendor which produces chips that contain wrong LogicalMaximum |
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* value in their HID report descriptor. Currently supported devices are: |
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* |
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* Ortek PKB-1700 |
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* Ortek WKB-2000 |
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* iHome IMAC-A210S |
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* Skycable wireless presenter |
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* |
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* Copyright (c) 2010 Johnathon Harris <[email protected]> |
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* Copyright (c) 2011 Jiri Kosina |
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*/ |
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/* |
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*/ |
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#include <linux/device.h> |
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#include <linux/hid.h> |
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#include <linux/module.h> |
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#include "hid-ids.h" |
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static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
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unsigned int *rsize) |
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{ |
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if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) { |
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hid_info(hdev, "Fixing up logical maximum in report descriptor (Ortek)\n"); |
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rdesc[55] = 0x92; |
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} else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) { |
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hid_info(hdev, "Fixing up logical maximum in report descriptor (Skycable)\n"); |
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rdesc[53] = 0x65; |
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} |
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return rdesc; |
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} |
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static const struct hid_device_id ortek_devices[] = { |
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{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, |
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{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, |
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{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) }, |
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{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, |
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{ } |
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}; |
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MODULE_DEVICE_TABLE(hid, ortek_devices); |
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static struct hid_driver ortek_driver = { |
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.name = "ortek", |
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.id_table = ortek_devices, |
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.report_fixup = ortek_report_fixup |
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}; |
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module_hid_driver(ortek_driver); |
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MODULE_LICENSE("GPL");
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