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| author | Jiri Kosina <jkosina@suse.cz> | 2011-03-21 13:54:22 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-03-21 16:12:23 +0100 |
| commit | d586dca06adddc6cee7177b013ee93eaffc9fe0e (patch) | |
| tree | 33537a956c753ec42f3621e7e1be1e101518f4ab /drivers/hid/hid-ortek.c | |
| parent | 99759619b27662d1290901228d77a293e6e83200 (diff) | |
| download | linux-d586dca06adddc6cee7177b013ee93eaffc9fe0e.tar.bz2 | |
HID: add support for Skycable 0x3f07 wireless presenter
This device contains the very same bug in report descriptor as the
Ortek ones do (i.e. LogicalMinimum == 1, which is wrong for the key
array).
As we have more reports for the Ortek devices, we are keeping the driver
name for now. Apparently there is a chip producer which sells chip with
this buggy descriptor to multiple vendors. Thus if such reports start
to come at highger frequency, we'll either have to rename the driver
accordingly, or come up with more generic workaround.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-ortek.c')
| -rw-r--r-- | drivers/hid/hid-ortek.c | 16 |
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 @@ /* - * HID driver for Ortek PKB-1700/WKB-2000 (wireless keyboard + mouse trackpad). - * Fixes LogicalMaximum error in HID report description. + * 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 + * Skycable wireless presenter * * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> + * Copyright (c) 2011 Jiri Kosina */ /* @@ -22,8 +28,11 @@ 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 Ortek WKB-2000 report descriptor\n"); + hid_info(hdev, "Fixing up logical minimum in report descriptor (Ortek)\n"); rdesc[55] = 0x92; + } else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) { + hid_info(hdev, "Fixing up logical minimum in report descriptor (Skycable)\n"); + rdesc[53] = 0x65; } return rdesc; } @@ -31,6 +40,7 @@ static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *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_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, { } }; MODULE_DEVICE_TABLE(hid, ortek_devices); |