diff options
Diffstat (limited to 'drivers/hid/wacom_wac.c')
| -rw-r--r-- | drivers/hid/wacom_wac.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 7a0a7f67e7ed..afa8c9f24a42 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -1715,7 +1715,8 @@ int wacom_equivalent_usage(int usage) usage == WACOM_HID_WD_TOUCHSTRIP || usage == WACOM_HID_WD_TOUCHSTRIP2 || usage == WACOM_HID_WD_TOUCHRING || - usage == WACOM_HID_WD_TOUCHRINGSTATUS) { + usage == WACOM_HID_WD_TOUCHRINGSTATUS || + usage == WACOM_HID_WD_REPORT_VALID) { return usage; } @@ -2199,6 +2200,9 @@ static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field struct input_dev *input = wacom_wac->pen_input; unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); + if (wacom_wac->is_invalid_bt_frame) + return; + switch (equivalent_usage) { case HID_GD_Z: /* @@ -2295,6 +2299,9 @@ static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field features->offset_bottom); features->offset_bottom = value; return; + case WACOM_HID_WD_REPORT_VALID: + wacom_wac->is_invalid_bt_frame = !value; + return; } /* send pen events only when touch is up or forced out @@ -2313,6 +2320,10 @@ static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field static void wacom_wac_pen_pre_report(struct hid_device *hdev, struct hid_report *report) { + struct wacom *wacom = hid_get_drvdata(hdev); + struct wacom_wac *wacom_wac = &wacom->wacom_wac; + + wacom_wac->is_invalid_bt_frame = false; return; } @@ -2325,6 +2336,9 @@ static void wacom_wac_pen_report(struct hid_device *hdev, bool range = wacom_wac->hid_data.inrange_state; bool sense = wacom_wac->hid_data.sense_state; + if (wacom_wac->is_invalid_bt_frame) + return; + if (!wacom_wac->tool[0] && range) { /* first in range */ /* Going into range select tool */ if (wacom_wac->hid_data.invert_state) |