diff options
Diffstat (limited to 'drivers/hid/hid-multitouch.c')
| -rw-r--r-- | drivers/hid/hid-multitouch.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 760c4a042e6a..76088f2cf598 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -122,6 +122,7 @@ struct mt_device { int scantime_index; /* scantime field index in the report */ int scantime_val_index; /* scantime value index in the field */ int prev_scantime; /* scantime reported in the previous packet */ + int left_button_state; /* left button state */ unsigned last_slot_field; /* the last field of a slot */ unsigned mt_report_id; /* the report ID of the multitouch device */ unsigned long initial_quirks; /* initial quirks state */ @@ -743,10 +744,16 @@ static void mt_complete_slot(struct mt_device *td, struct input_dev *input) */ static void mt_sync_frame(struct mt_device *td, struct input_dev *input) { + __s32 cls = td->mtclass.name; + + if (cls == MT_CLS_WIN_8 || cls == MT_CLS_WIN_8_DUAL) + input_event(input, EV_KEY, BTN_LEFT, td->left_button_state); + input_mt_sync_frame(input); input_event(input, EV_MSC, MSC_TIMESTAMP, td->timestamp); input_sync(input); td->num_received = 0; + td->left_button_state = 0; if (test_bit(MT_IO_FLAGS_ACTIVE_SLOTS, &td->mt_io_flags)) set_bit(MT_IO_FLAGS_PENDING_SLOTS, &td->mt_io_flags); else @@ -857,6 +864,19 @@ static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, !first_packet) return; + /* + * For Win8 PTP touchpads we map both the clickpad click + * and any "external" left buttons to BTN_LEFT if a + * device claims to have both we need to report 1 for + * BTN_LEFT if either is pressed, so we or all values + * together and report the result in mt_sync_frame(). + */ + if ((cls == MT_CLS_WIN_8 || cls == MT_CLS_WIN_8_DUAL) && + usage->type == EV_KEY && usage->code == BTN_LEFT) { + td->left_button_state |= value; + return; + } + if (usage->type) input_event(input, usage->type, usage->code, value); |