diff options
Diffstat (limited to 'drivers/hid/hid-multitouch.c')
| -rw-r--r-- | drivers/hid/hid-multitouch.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index e86fbf4be639..0a0489309905 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -53,11 +53,13 @@ MODULE_LICENSE("GPL"); #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8) #define MT_QUIRK_NO_AREA (1 << 9) #define MT_QUIRK_IGNORE_DUPLICATES (1 << 10) +#define MT_QUIRK_HOVERING (1 << 11) struct mt_slot { __s32 x, y, cx, cy, p, w, h; __s32 contactid; /* the device ContactID assigned to this slot */ bool touch_state; /* is the touch valid? */ + bool inrange_state; /* is the finger in proximity of the sensor? */ }; struct mt_class { @@ -391,6 +393,12 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, case HID_UP_DIGITIZER: switch (usage->hid) { case HID_DG_INRANGE: + if (cls->quirks & MT_QUIRK_HOVERING) { + hid_map_usage(hi, usage, bit, max, + EV_ABS, ABS_MT_DISTANCE); + input_set_abs_params(hi->input, + ABS_MT_DISTANCE, 0, 1, 0, 0); + } mt_store_field(usage, td, hi); td->last_field_index = field->index; return 1; @@ -520,9 +528,9 @@ static void mt_complete_slot(struct mt_device *td, struct input_dev *input) input_mt_slot(input, slotnum); input_mt_report_slot_state(input, MT_TOOL_FINGER, - s->touch_state); - if (s->touch_state) { - /* this finger is on the screen */ + s->touch_state || s->inrange_state); + if (s->touch_state || s->inrange_state) { + /* this finger is in proximity of the sensor */ int wide = (s->w > s->h); /* divided by two to match visual scale of touch */ int major = max(s->w, s->h) >> 1; @@ -532,6 +540,8 @@ static void mt_complete_slot(struct mt_device *td, struct input_dev *input) input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx); input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy); + input_event(input, EV_ABS, ABS_MT_DISTANCE, + !s->touch_state); input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide); input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); @@ -564,6 +574,8 @@ static int mt_event(struct hid_device *hid, struct hid_field *field, case HID_DG_INRANGE: if (quirks & MT_QUIRK_VALID_IS_INRANGE) td->curvalid = value; + if (quirks & MT_QUIRK_HOVERING) + td->curdata.inrange_state = value; break; case HID_DG_TIPSWITCH: if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |