diff options
| -rw-r--r-- | drivers/hid/hid-multitouch.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 849344b0ee57..e3382afc74c9 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -827,6 +827,17 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, MT_STORE_FIELD(confidence_state); return 1; + case HID_DG_TOUCH: + /* + * Legacy devices use TIPSWITCH and not TOUCH. + * One special case here is of the Apple Touch Bars. + * In these devices, the tip state is contained in + * fields with the HID_DG_TOUCH usage. + * Let's just ignore this field for other devices. + */ + if (!(cls->quirks & MT_QUIRK_APPLE_TOUCHBAR)) + return -1; + fallthrough; case HID_DG_TIPSWITCH: if (field->application != HID_GD_SYSTEM_MULTIAXIS) input_set_capability(hi->input, @@ -897,10 +908,6 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, case HID_DG_CONTACTMAX: /* contact max are global to the report */ return -1; - case HID_DG_TOUCH: - /* Legacy devices use TIPSWITCH and not TOUCH. - * Let's just ignore this field. */ - return -1; } /* let hid-input decide for the others */ return 0; |