diff options
| -rw-r--r-- | drivers/hid/hid-multitouch.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index fb6f1f447279..a65a4c5894a5 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -567,6 +567,14 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, case HID_UP_BUTTON: code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); + /* + * MS PTP spec says that external buttons left and right have + * usages 2 and 3. + */ + if (cls->name == MT_CLS_WIN_8 && + field->application == HID_DG_TOUCHPAD && + (usage->hid & HID_USAGE) > 1) + code--; hid_map_usage(hi, usage, bit, max, EV_KEY, code); input_set_capability(hi->input, EV_KEY, code); return 1; |