diff options
| -rw-r--r-- | drivers/hid/wacom_wac.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index f6825d25a257..636c4a1ee958 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -1733,6 +1733,10 @@ static void wacom_wac_pad_usage_mapping(struct hid_device *hdev, wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0); features->device_type |= WACOM_DEVICETYPE_PAD; break; + case WACOM_HID_WD_TOUCHRINGSTATUS: + wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0); + features->device_type |= WACOM_DEVICETYPE_PAD; + break; } switch (equivalent_usage & 0xfffffff0) { @@ -1775,12 +1779,22 @@ static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field struct input_dev *input = wacom_wac->pad_input; unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); + /* + * Avoid reporting this event and setting inrange_state if this usage + * hasn't been mapped. + */ + if (!usage->type) + return; + if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) { - wacom_wac->hid_data.inrange_state |= value; + if (usage->hid != WACOM_HID_WD_TOUCHRING) + wacom_wac->hid_data.inrange_state |= value; } switch (equivalent_usage) { case WACOM_HID_WD_TOUCHRINGSTATUS: + if (!value) + input_event(input, usage->type, usage->code, 0); break; default: @@ -2288,6 +2302,9 @@ void wacom_wac_event(struct hid_device *hdev, struct hid_field *field, if (wacom->wacom_wac.features.type != HID_GENERIC) return; + if (value > field->logical_maximum || value < field->logical_minimum) + return; + if (WACOM_PAD_FIELD(field)) { wacom_wac_pad_battery_event(hdev, field, usage, value); if (wacom->wacom_wac.pad_input) |