diff options
Diffstat (limited to 'drivers/hid/hid-multitouch.c')
| -rw-r--r-- | drivers/hid/hid-multitouch.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 3b4739bde05d..504a95e0388f 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -74,6 +74,7 @@ MODULE_LICENSE("GPL"); #define MT_QUIRK_TOUCH_SIZE_SCALING BIT(15) #define MT_QUIRK_STICKY_FINGERS BIT(16) #define MT_QUIRK_ASUS_CUSTOM_UP BIT(17) +#define MT_QUIRK_WIN8_PTP_BUTTONS BIT(18) #define MT_INPUTMODE_TOUCHSCREEN 0x02 #define MT_INPUTMODE_TOUCHPAD 0x03 @@ -241,7 +242,8 @@ static struct mt_class mt_classes[] = { MT_QUIRK_IGNORE_DUPLICATES | MT_QUIRK_HOVERING | MT_QUIRK_CONTACT_CNT_ACCURATE | - MT_QUIRK_STICKY_FINGERS }, + MT_QUIRK_STICKY_FINGERS | + MT_QUIRK_WIN8_PTP_BUTTONS }, { .name = MT_CLS_EXPORT_ALL_INPUTS, .quirks = MT_QUIRK_ALWAYS_VALID | MT_QUIRK_CONTACT_CNT_ACCURATE, @@ -250,7 +252,8 @@ static struct mt_class mt_classes[] = { .quirks = MT_QUIRK_ALWAYS_VALID | MT_QUIRK_IGNORE_DUPLICATES | MT_QUIRK_HOVERING | - MT_QUIRK_CONTACT_CNT_ACCURATE, + MT_QUIRK_CONTACT_CNT_ACCURATE | + MT_QUIRK_WIN8_PTP_BUTTONS, .export_all_inputs = true }, /* @@ -659,8 +662,7 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, * MS PTP spec says that external buttons left and right have * usages 2 and 3. */ - if ((cls->name == MT_CLS_WIN_8 || - cls->name == MT_CLS_WIN_8_DUAL) && + if ((cls->quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && field->application == HID_DG_TOUCHPAD && (usage->hid & HID_USAGE) > 1) code--; @@ -772,9 +774,7 @@ 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) + if (td->mtclass.quirks & MT_QUIRK_WIN8_PTP_BUTTONS) input_event(input, EV_KEY, BTN_LEFT, td->left_button_state); input_mt_sync_frame(input); @@ -826,7 +826,6 @@ static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, bool first_packet) { struct mt_device *td = hid_get_drvdata(hid); - __s32 cls = td->mtclass.name; __s32 quirks = td->mtclass.quirks; struct input_dev *input = field->hidinput->input; @@ -904,7 +903,7 @@ static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, * non finger/touch events in the first_packet of * a (possible) multi-packet frame. */ - if ((cls == MT_CLS_WIN_8 || cls == MT_CLS_WIN_8_DUAL) && + if ((quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && !first_packet) return; @@ -915,7 +914,7 @@ static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, * 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) && + if ((quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && usage->type == EV_KEY && usage->code == BTN_LEFT) { td->left_button_state |= value; return; @@ -939,7 +938,6 @@ static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, static void mt_touch_report(struct hid_device *hid, struct hid_report *report) { struct mt_device *td = hid_get_drvdata(hid); - __s32 cls = td->mtclass.name; struct hid_field *field; bool first_packet; unsigned count; @@ -968,7 +966,7 @@ static void mt_touch_report(struct hid_device *hid, struct hid_report *report) * of a possible multi-packet frame be checking that the * timestamp has changed. */ - if ((cls == MT_CLS_WIN_8 || cls == MT_CLS_WIN_8_DUAL) && + if ((td->mtclass.quirks & MT_QUIRK_WIN8_PTP_BUTTONS) && td->num_received == 0 && td->prev_scantime != scantime) td->num_expected = value; /* A non 0 contact count always indicates a first packet */ |