HID: multitouch: Add support for Google Rose Touchpad
Add Google Rose Touchpad USB PID and required quirks.
Signed-off-by: Wei-Ning Huang <wnhuang@chromium.org>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index d36d4ac..d557969 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -427,6 +427,9 @@
#define USB_VENDOR_ID_GOODTOUCH 0x1aad
#define USB_DEVICE_ID_GOODTOUCH_000f 0x000f
+#define USB_VENDOR_ID_GOOGLE 0x18d1
+#define USB_DEVICE_ID_GOOGLE_TOUCH_ROSE 0x5028
+
#define USB_VENDOR_ID_GOTOP 0x08f2
#define USB_DEVICE_ID_SUPER_Q2 0x007f
#define USB_DEVICE_ID_GOGOPEN 0x00ce
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index ba9d902..f07256e 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -162,6 +162,7 @@ static void mt_post_parse(struct mt_device *td);
#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
#define MT_CLS_LG 0x010a
#define MT_CLS_VTL 0x0110
+#define MT_CLS_GOOGLE 0x0111
#define MT_DEFAULT_MAXCONTACT 10
#define MT_MAX_MAXCONTACT 250
@@ -285,6 +286,12 @@ static struct mt_class mt_classes[] = {
MT_QUIRK_CONTACT_CNT_ACCURATE |
MT_QUIRK_FORCE_GET_FEATURE,
},
+ { .name = MT_CLS_GOOGLE,
+ .quirks = MT_QUIRK_ALWAYS_VALID |
+ MT_QUIRK_CONTACT_CNT_ACCURATE |
+ MT_QUIRK_SLOT_IS_CONTACTID |
+ MT_QUIRK_HOVERING
+ },
{ }
};
@@ -1588,6 +1595,11 @@ static const struct hid_device_id mt_devices[] = {
MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
USB_DEVICE_ID_XIROKU_CSR2) },
+ /* Google MT devices */
+ { .driver_data = MT_CLS_GOOGLE,
+ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE,
+ USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) },
+
/* Generic MT device */
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },