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| author | Jiri Kosina <jkosina@suse.cz> | 2009-11-13 10:45:53 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2009-11-13 10:45:53 +0100 |
| commit | 24985cf68612a5617d396b0b188cec807641cde1 (patch) | |
| tree | ac0fcd5288312e8ecdad289258c07ae8ea8dca1c /drivers/hid/hid-lg.c | |
| parent | 5b915d9e6dc3d22fedde91dfef1cb1a8fa9a1870 (diff) | |
| download | linux-24985cf68612a5617d396b0b188cec807641cde1.tar.bz2 | |
HID: support Logitech/3DConnexion SpaceTraveler and SpaceNavigator
These devices wrongly report their axes as relative instead of absolute.
Fix this in up report descriptor of the device before it enters the parser.
Reported-by: simon.windows@gmail.com
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-lg.c')
| -rw-r--r-- | drivers/hid/hid-lg.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index 0f870a3243ed..8e28f1dc40a6 100644 --- a/drivers/hid/hid-lg.c +++ b/drivers/hid/hid-lg.c @@ -33,6 +33,7 @@ #define LG_NOGET 0x100 #define LG_FF 0x200 #define LG_FF2 0x400 +#define LG_RDESC_REL_ABS 0x800 /* * Certain Logitech keyboards send in report #3 keys which are far @@ -51,6 +52,13 @@ static void lg_report_fixup(struct hid_device *hdev, __u8 *rdesc, rdesc[84] = rdesc[89] = 0x4d; rdesc[85] = rdesc[90] = 0x10; } + if ((quirks & LG_RDESC_REL_ABS) && rsize >= 50 && + rdesc[32] == 0x81 && rdesc[33] == 0x06 && + rdesc[49] == 0x81 && rdesc[50] == 0x06) { + dev_info(&hdev->dev, "fixing up rel/abs in Logitech " + "report descriptor\n"); + rdesc[33] = rdesc[50] = 0x02; + } } #define lg_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ @@ -303,8 +311,13 @@ static const struct hid_device_id lg_devices[] = { .driver_data = LG_FF }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2), .driver_data = LG_FF2 }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR), + .driver_data = LG_RDESC_REL_ABS }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER), + .driver_data = LG_RDESC_REL_ABS }, { } }; + MODULE_DEVICE_TABLE(hid, lg_devices); static struct hid_driver lg_driver = { |