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path: root/drivers/hid/hid-multitouch.c
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Diffstat (limited to 'drivers/hid/hid-multitouch.c')
-rw-r--r--drivers/hid/hid-multitouch.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 56fc78841f24..638e36c6d0f1 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,
+ },
{ }
};
@@ -1441,6 +1447,31 @@ static int mt_event(struct hid_device *hid, struct hid_field *field,
return 0;
}
+static const __u8 *mt_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int *size)
+{
+ if (hdev->vendor == I2C_VENDOR_ID_GOODIX &&
+ (hdev->product == I2C_DEVICE_ID_GOODIX_01E8 ||
+ hdev->product == I2C_DEVICE_ID_GOODIX_01E9 ||
+ hdev->product == I2C_DEVICE_ID_GOODIX_01E0)) {
+ if (rdesc[607] == 0x15) {
+ rdesc[607] = 0x25;
+ dev_info(
+ &hdev->dev,
+ "GT7868Q report descriptor fixup is applied.\n");
+ } else {
+ dev_info(
+ &hdev->dev,
+ "The byte is not expected for fixing the report descriptor. \
+It's possible that the touchpad firmware is not suitable for applying the fix. \
+got: %x\n",
+ rdesc[607]);
+ }
+ }
+
+ return rdesc;
+}
+
static void mt_report(struct hid_device *hid, struct hid_report *report)
{
struct mt_device *td = hid_get_drvdata(hid);
@@ -1787,6 +1818,9 @@ 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;
@@ -2035,6 +2069,17 @@ static const struct hid_device_id mt_devices[] = {
MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
USB_DEVICE_ID_GAMETEL_MT_MODE) },
+ /* Goodix GT7868Q devices */
+ { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU,
+ HID_DEVICE(BUS_I2C, HID_GROUP_ANY, I2C_VENDOR_ID_GOODIX,
+ I2C_DEVICE_ID_GOODIX_01E8) },
+ { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU,
+ HID_DEVICE(BUS_I2C, HID_GROUP_ANY, I2C_VENDOR_ID_GOODIX,
+ I2C_DEVICE_ID_GOODIX_01E9) },
+ { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU,
+ HID_DEVICE(BUS_I2C, HID_GROUP_ANY, I2C_VENDOR_ID_GOODIX,
+ I2C_DEVICE_ID_GOODIX_01E0) },
+
/* GoodTouch panels */
{ .driver_data = MT_CLS_NSMU,
MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
@@ -2081,6 +2126,12 @@ static const struct hid_device_id mt_devices[] = {
USB_VENDOR_ID_LENOVO,
USB_DEVICE_ID_LENOVO_X12_TAB) },
+ /* Lenovo X12 TAB Gen 2 */
+ { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU,
+ HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
+ USB_VENDOR_ID_LENOVO,
+ USB_DEVICE_ID_LENOVO_X12_TAB2) },
+
/* Logitech devices */
{ .driver_data = MT_CLS_NSMU,
HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH_WIN_8,
@@ -2243,6 +2294,11 @@ 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) },
@@ -2270,6 +2326,7 @@ static struct hid_driver mt_driver = {
.feature_mapping = mt_feature_mapping,
.usage_table = mt_grabbed_usages,
.event = mt_event,
+ .report_fixup = mt_report_fixup,
.report = mt_report,
.suspend = pm_ptr(mt_suspend),
.reset_resume = pm_ptr(mt_reset_resume),