diff options
Diffstat (limited to 'drivers/hid/hid-lenovo.c')
| -rw-r--r-- | drivers/hid/hid-lenovo.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c index 64ed3e3f227a..4f59bffd0205 100644 --- a/drivers/hid/hid-lenovo.c +++ b/drivers/hid/hid-lenovo.c @@ -43,6 +43,35 @@ struct lenovo_drvdata_cptkbd { #define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c)) +static const __u8 lenovo_pro_dock_need_fixup_collection[] = { + 0x05, 0x88, /* Usage Page (Vendor Usage Page 0x88) */ + 0x09, 0x01, /* Usage (Vendor Usage 0x01) */ + 0xa1, 0x01, /* Collection (Application) */ + 0x85, 0x04, /* Report ID (4) */ + 0x19, 0x00, /* Usage Minimum (0) */ + 0x2a, 0xff, 0xff, /* Usage Maximum (65535) */ +}; + +static __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + switch (hdev->product) { + case USB_DEVICE_ID_LENOVO_TPPRODOCK: + /* the fixups that need to be done: + * - get a reasonable usage max for the vendor collection + * 0x8801 from the report ID 4 + */ + if (*rsize >= 153 && + memcmp(&rdesc[140], lenovo_pro_dock_need_fixup_collection, + sizeof(lenovo_pro_dock_need_fixup_collection)) == 0) { + rdesc[151] = 0x01; + rdesc[152] = 0x00; + } + break; + } + return rdesc; +} + static int lenovo_input_mapping_tpkbd(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) @@ -767,10 +796,29 @@ static void lenovo_remove(struct hid_device *hdev) hid_hw_stop(hdev); } +static void lenovo_input_configured(struct hid_device *hdev, + struct hid_input *hi) +{ + switch (hdev->product) { + case USB_DEVICE_ID_LENOVO_TPKBD: + case USB_DEVICE_ID_LENOVO_CUSBKBD: + case USB_DEVICE_ID_LENOVO_CBTKBD: + if (test_bit(EV_REL, hi->input->evbit)) { + /* set only for trackpoint device */ + __set_bit(INPUT_PROP_POINTER, hi->input->propbit); + __set_bit(INPUT_PROP_POINTING_STICK, + hi->input->propbit); + } + break; + } +} + + static const struct hid_device_id lenovo_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) }, { } }; @@ -779,10 +827,12 @@ MODULE_DEVICE_TABLE(hid, lenovo_devices); static struct hid_driver lenovo_driver = { .name = "lenovo", .id_table = lenovo_devices, + .input_configured = lenovo_input_configured, .input_mapping = lenovo_input_mapping, .probe = lenovo_probe, .remove = lenovo_remove, .raw_event = lenovo_raw_event, + .report_fixup = lenovo_report_fixup, }; module_hid_driver(lenovo_driver); |