The patch is to add proper quirks for sis multitouch format
Signed-off-by: tammy tseng <tammy0524@xxxxxxxxx>
---
drivers/hid/hid-multitouch.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 56fc78841f24..9f49bc7a157c 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -212,6 +212,7 @@ static void mt_post_parse(struct mt_device *td, struct mt_application *app);
#define MT_CLS_GOOGLE 0x0111
#define MT_CLS_RAZER_BLADE_STEALTH 0x0112
#define MT_CLS_SMART_TECH 0x0113
+#define MT_CLS_SIS 0x0457
#define MT_DEFAULT_MAXCONTACT 10
#define MT_MAX_MAXCONTACT 250
@@ -396,6 +397,11 @@ static const struct mt_class mt_classes[] = {
MT_QUIRK_CONTACT_CNT_ACCURATE |
MT_QUIRK_SEPARATE_APP_REPORT,
},
+ { .name = MT_CLS_SIS,
+ .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
+ MT_QUIRK_ALWAYS_VALID |
+ MT_QUIRK_CONTACT_CNT_ACCURATE,
+ },
{ }
};
@@ -1787,6 +1793,9 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (mtclass->quirks & MT_QUIRK_FIX_CONST_CONTACT_ID)
mt_fix_const_fields(hdev, HID_DG_CONTACTID);
+ if (hdev->vendor == USB_VENDOR_ID_SIS_TOUCH)
+ hdev->quirks |= HID_QUIRK_NOGET;
+
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret)
return ret;
@@ -2243,6 +2252,11 @@ static const struct hid_device_id mt_devices[] = {
HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, USB_VENDOR_ID_GOOGLE,
USB_DEVICE_ID_GOOGLE_WHISKERS) },
+ /* sis */
+ { .driver_data = MT_CLS_SIS,
+ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_SIS_TOUCH,
+ HID_ANY_ID) },
+
/* Generic MT device */
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
--
2.43.0
