From: Aaron Armstrong Skomra skomra@gmail.com
commit d4b8efeb46d99a5d02e7f88ac4eaccbe49370770 upstream.
Only sync the pad once per report, not once per collection. Also avoid syncing the pad on battery reports.
Fixes: f8b6a74719b5 ("HID: wacom: generic: Support multiple tools per report") Cc: stable@vger.kernel.org # v4.17+ Signed-off-by: Aaron Armstrong Skomra aaron.skomra@wacom.com Signed-off-by: Jiri Kosina jkosina@suse.cz Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/hid/wacom_wac.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-)
--- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2121,14 +2121,12 @@ static void wacom_wac_pad_report(struct bool active = wacom_wac->hid_data.inrange_state != 0;
/* report prox for expresskey events */ - if ((wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) && - wacom_wac->hid_data.pad_input_event_flag) { + if (wacom_wac->hid_data.pad_input_event_flag) { input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0); input_sync(input); if (!active) wacom_wac->hid_data.pad_input_event_flag = false; } - }
static void wacom_wac_pen_usage_mapping(struct hid_device *hdev, @@ -2704,9 +2702,7 @@ static int wacom_wac_collection(struct h if (report->type != HID_INPUT_REPORT) return -1;
- if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input) - wacom_wac_pad_report(hdev, report, field); - else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input) + if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input) wacom_wac_pen_report(hdev, report); else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input) wacom_wac_finger_report(hdev, report); @@ -2720,7 +2716,7 @@ void wacom_wac_report(struct hid_device struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct hid_field *field; bool pad_in_hid_field = false, pen_in_hid_field = false, - finger_in_hid_field = false; + finger_in_hid_field = false, true_pad = false; int r; int prev_collection = -1;
@@ -2736,6 +2732,8 @@ void wacom_wac_report(struct hid_device pen_in_hid_field = true; if (WACOM_FINGER_FIELD(field)) finger_in_hid_field = true; + if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) + true_pad = true; }
wacom_wac_battery_pre_report(hdev, report); @@ -2759,6 +2757,9 @@ void wacom_wac_report(struct hid_device }
wacom_wac_battery_report(hdev, report); + + if (true_pad && wacom->wacom_wac.pad_input) + wacom_wac_pad_report(hdev, report, field); }
static int wacom_bpt_touch(struct wacom_wac *wacom)