BugLink: http://bugs.launchpad.net/bugs/1180881

Synaptics large touchscreen doesn't support some of the report request
while initializing. The unspoorted request will make the device unreachable,
and will lead to the following usb_submit_urb() function call timeout.
So, add the IDs into HID_QUIRK_NO_INIT_REPORTS quirk.

Signed-off-by: AceLan Kao <acelan....@canonical.com>
---
 drivers/hid/hid-ids.h           | 2 ++
 drivers/hid/usbhid/hid-quirks.c | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index e60e8d5..477dd55 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -791,6 +791,8 @@
 #define USB_DEVICE_ID_SYNAPTICS_COMP_TP        0x0009
 #define USB_DEVICE_ID_SYNAPTICS_WTP    0x0010
 #define USB_DEVICE_ID_SYNAPTICS_DPAD   0x0013
+#define USB_DEVICE_ID_SYNAPTICS_LTS1   0x0af8
+#define USB_DEVICE_ID_SYNAPTICS_LTS2   0x1d10
 
 #define USB_VENDOR_ID_THINGM           0x27b8
 #define USB_DEVICE_ID_BLINK1           0x01ed
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 0734552..d20cbb8 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -110,6 +110,8 @@ static const struct hid_blacklist {
        { USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X, 
HID_QUIRK_MULTI_INPUT },
        { USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X, 
HID_QUIRK_MULTI_INPUT },
        { USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_DUOSENSE, 
HID_QUIRK_NO_INIT_REPORTS },
+       { USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS1, 
HID_QUIRK_NO_INIT_REPORTS },
+       { USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS2, 
HID_QUIRK_NO_INIT_REPORTS },
 
        { 0, 0 }
 };
-- 
1.8.3.2

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