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-rw-r--r--drivers/hid/hid-multitouch.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 03c720b47306..39e4da7468e1 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -69,6 +69,7 @@ MODULE_LICENSE("GPL");
#define MT_QUIRK_ASUS_CUSTOM_UP BIT(17)
#define MT_QUIRK_WIN8_PTP_BUTTONS BIT(18)
#define MT_QUIRK_SEPARATE_APP_REPORT BIT(19)
+#define MT_QUIRK_FORCE_MULTI_INPUT BIT(20)
#define MT_INPUTMODE_TOUCHSCREEN 0x02
#define MT_INPUTMODE_TOUCHPAD 0x03
@@ -189,6 +190,7 @@ static void mt_post_parse(struct mt_device *td, struct mt_application *app);
#define MT_CLS_WIN_8 0x0012
#define MT_CLS_EXPORT_ALL_INPUTS 0x0013
#define MT_CLS_WIN_8_DUAL 0x0014
+#define MT_CLS_WIN_8_FORCE_MULTI_INPUT 0x0015
/* vendor specific classes */
#define MT_CLS_3M 0x0101
@@ -279,6 +281,15 @@ static const struct mt_class mt_classes[] = {
MT_QUIRK_CONTACT_CNT_ACCURATE |
MT_QUIRK_WIN8_PTP_BUTTONS,
.export_all_inputs = true },
+ { .name = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
+ .quirks = MT_QUIRK_ALWAYS_VALID |
+ MT_QUIRK_IGNORE_DUPLICATES |
+ MT_QUIRK_HOVERING |
+ MT_QUIRK_CONTACT_CNT_ACCURATE |
+ MT_QUIRK_STICKY_FINGERS |
+ MT_QUIRK_WIN8_PTP_BUTTONS |
+ MT_QUIRK_FORCE_MULTI_INPUT,
+ .export_all_inputs = true },
/*
* vendor specific classes
@@ -1714,6 +1725,11 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (id->group != HID_GROUP_MULTITOUCH_WIN_8)
hdev->quirks |= HID_QUIRK_MULTI_INPUT;
+ if (mtclass->quirks & MT_QUIRK_FORCE_MULTI_INPUT) {
+ hdev->quirks &= ~HID_QUIRK_INPUT_PER_APP;
+ hdev->quirks |= HID_QUIRK_MULTI_INPUT;
+ }
+
timer_setup(&td->release_timer, mt_expired_timeout, 0);
ret = hid_parse(hdev);
@@ -1926,6 +1942,11 @@ static const struct hid_device_id mt_devices[] = {
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002) },
+ /* Elan devices */
+ { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
+ HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+ USB_VENDOR_ID_ELAN, 0x313a) },
+
/* Elitegroup panel */
{ .driver_data = MT_CLS_SERIAL,
MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP,
@@ -2056,6 +2077,11 @@ static const struct hid_device_id mt_devices[] = {
MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
USB_DEVICE_ID_MTP_STM)},
+ /* Synaptics devices */
+ { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
+ HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+ USB_VENDOR_ID_SYNAPTICS, 0xce08) },
+
/* TopSeed panels */
{ .driver_data = MT_CLS_TOPSEED,
MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,