diff options
Diffstat (limited to 'drivers/hid')
-rw-r--r-- | drivers/hid/wacom_wac.c | 63 |
1 files changed, 36 insertions, 27 deletions
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 0c4eb31..a48ed4e 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -34,6 +34,10 @@ */ #define WACOM_CONTACT_AREA_SCALE 2607 +static bool touch_arbitration = 1; +module_param(touch_arbitration, bool, 0644); +MODULE_PARM_DESC(touch_arbitration, " on (Y) off (N)"); + static void wacom_report_numbered_buttons(struct input_dev *input_dev, int button_count, int mask); @@ -882,6 +886,16 @@ static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len) wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE); } +static inline bool report_touch_events(struct wacom_wac *wacom) +{ + return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1); +} + +static inline bool delay_pen_events(struct wacom_wac *wacom) +{ + return (wacom->shared->touch_down && touch_arbitration); +} + static int wacom_intuos_general(struct wacom_wac *wacom) { struct wacom_features *features = &wacom->features; @@ -895,7 +909,7 @@ static int wacom_intuos_general(struct wacom_wac *wacom) data[0] != WACOM_REPORT_INTUOS_PEN) return 0; - if (wacom->shared->touch_down) + if (delay_pen_events(wacom)) return 1; /* don't report events if we don't know the tool ID */ @@ -1155,7 +1169,7 @@ static int wacom_wac_finger_count_touches(struct wacom_wac *wacom) if (touch_max == 1) return test_bit(BTN_TOUCH, input->key) && - !wacom->shared->stylus_in_proximity; + report_touch_events(wacom); for (i = 0; i < input->mt->num_slots; i++) { struct input_mt_slot *ps = &input->mt->slots[i]; @@ -1196,7 +1210,7 @@ static int wacom_24hdt_irq(struct wacom_wac *wacom) for (i = 0; i < contacts_to_send; i++) { int offset = (byte_per_packet * i) + 1; - bool touch = (data[offset] & 0x1) && !wacom->shared->stylus_in_proximity; + bool touch = (data[offset] & 0x1) && report_touch_events(wacom); int slot = input_mt_get_slot_by_key(input, data[offset + 1]); if (slot < 0) @@ -1260,7 +1274,7 @@ static int wacom_mt_touch(struct wacom_wac *wacom) for (i = 0; i < contacts_to_send; i++) { int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3; - bool touch = (data[offset] & 0x1) && !wacom->shared->stylus_in_proximity; + bool touch = (data[offset] & 0x1) && report_touch_events(wacom); int id = get_unaligned_le16(&data[offset + 1]); int slot = input_mt_get_slot_by_key(input, id); @@ -1294,7 +1308,7 @@ static int wacom_tpc_mt_touch(struct wacom_wac *wacom) for (i = 0; i < 2; i++) { int p = data[1] & (1 << i); - bool touch = p && !wacom->shared->stylus_in_proximity; + bool touch = p && report_touch_events(wacom); input_mt_slot(input, i); input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); @@ -1318,7 +1332,7 @@ static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len) { unsigned char *data = wacom->data; struct input_dev *input = wacom->touch_input; - bool prox = !wacom->shared->stylus_in_proximity; + bool prox = report_touch_events(wacom); int x = 0, y = 0; if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG) @@ -1363,8 +1377,10 @@ static int wacom_tpc_pen(struct wacom_wac *wacom) /* keep pen state for touch events */ wacom->shared->stylus_in_proximity = prox; - /* send pen events only when touch is up or forced out */ - if (!wacom->shared->touch_down) { + /* send pen events only when touch is up or forced out + * or touch arbitration is off + */ + if (!delay_pen_events(wacom)) { input_report_key(input, BTN_STYLUS, data[1] & 0x02); input_report_key(input, BTN_STYLUS2, data[1] & 0x10); input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2])); @@ -1506,8 +1522,10 @@ static int wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field, return 0; } - /* send pen events only when touch is up or forced out */ - if (!usage->type || wacom_wac->shared->touch_down) + /* send pen events only when touch is up or forced out + * or touch arbitration is off + */ + if (!usage->type || delay_pen_events(wacom_wac)) return 0; input_event(input, usage->type, usage->code, value); @@ -1537,8 +1555,7 @@ static void wacom_wac_pen_report(struct hid_device *hdev, /* keep pen state for touch events */ wacom_wac->shared->stylus_in_proximity = prox; - /* send pen events only when touch is up or forced out */ - if (!wacom_wac->shared->touch_down) { + if (!delay_pen_events(wacom_wac)) { input_report_key(input, BTN_TOUCH, wacom_wac->hid_data.tipswitch); input_report_key(input, wacom_wac->tool[0], prox); @@ -1609,7 +1626,7 @@ static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac, struct hid_data *hid_data = &wacom_wac->hid_data; bool mt = wacom_wac->features.touch_max > 1; bool prox = hid_data->tipswitch && - !wacom_wac->shared->stylus_in_proximity; + report_touch_events(wacom_wac); wacom_wac->hid_data.num_received++; if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected) @@ -1835,15 +1852,8 @@ static int wacom_bpt_touch(struct wacom_wac *wacom) for (i = 0; i < 2; i++) { int offset = (data[1] & 0x80) ? (8 * i) : (9 * i); - bool touch = data[offset + 3] & 0x80; - - /* - * Touch events need to be disabled while stylus is - * in proximity because user's hand is resting on touchpad - * and sending unwanted events. User expects tablet buttons - * to continue working though. - */ - touch = touch && !wacom->shared->stylus_in_proximity; + bool touch = report_touch_events(wacom) + && (data[offset + 3] & 0x80); input_mt_slot(input, i); input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); @@ -1880,7 +1890,7 @@ static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data) if (slot < 0) return; - touch = touch && !wacom->shared->stylus_in_proximity; + touch = touch && report_touch_events(wacom); input_mt_slot(input, slot); input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); @@ -1993,7 +2003,7 @@ static int wacom_bpt_pen(struct wacom_wac *wacom) } wacom->shared->stylus_in_proximity = prox; - if (wacom->shared->touch_down) + if (delay_pen_events(wacom)) return 0; if (prox) { @@ -2087,7 +2097,7 @@ static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom, for (id = 0; id < wacom->features.touch_max; id++) { valid = !!(prefix & BIT(id)) && - !wacom->shared->stylus_in_proximity; + report_touch_events(wacom); input_mt_slot(input, id); input_mt_report_slot_state(input, MT_TOOL_FINGER, valid); @@ -2109,8 +2119,7 @@ static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom, input_report_key(input, BTN_RIGHT, prefix & 0x80); /* keep touch state for pen event */ - wacom->shared->touch_down = !!prefix && - !wacom->shared->stylus_in_proximity; + wacom->shared->touch_down = !!prefix && report_touch_events(wacom); return 1; } |