USB_DEVICE_ID_SYNAPTICS_DPAD 1104 drivers/hid/hid-ids.h #define USB_DEVICE_ID_SYNAPTICS_DPAD	0x0013
USB_DEVICE_ID_SYNAPTICS_DPAD   54 drivers/input/mouse/synaptics_usb.c #define USB_DEVICE_ID_SYNAPTICS_DPAD	0x0013	/* DisplayPad */