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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/hid/hid-ortek.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/hid/hid-ortek.c')
-rw-r--r-- | drivers/hid/hid-ortek.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/hid/hid-ortek.c b/drivers/hid/hid-ortek.c new file mode 100644 index 0000000000..9a4770d79c --- /dev/null +++ b/drivers/hid/hid-ortek.c @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * HID driver for various devices which are apparently based on the same chipset + * from certain vendor which produces chips that contain wrong LogicalMaximum + * value in their HID report descriptor. Currently supported devices are: + * + * Ortek PKB-1700 + * Ortek WKB-2000 + * iHome IMAC-A210S + * Skycable wireless presenter + * + * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> + * Copyright (c) 2011 Jiri Kosina + */ + +/* + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) { + hid_info(hdev, "Fixing up logical maximum in report descriptor (Ortek)\n"); + rdesc[55] = 0x92; + } else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) { + hid_info(hdev, "Fixing up logical maximum in report descriptor (Skycable)\n"); + rdesc[53] = 0x65; + } + return rdesc; +} + +static const struct hid_device_id ortek_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ortek_devices); + +static struct hid_driver ortek_driver = { + .name = "ortek", + .id_table = ortek_devices, + .report_fixup = ortek_report_fixup +}; +module_hid_driver(ortek_driver); + +MODULE_LICENSE("GPL"); |