HID: wacom: Fail probe if HID_GENERIC device has unknown device_type
The last patch was careful to maintain backwards-compatible behavior by forcing device_type to BTN_TOOL_PEN (and printing a warning) if it were still uninitialized after scanning the HID descriptor and applying quirks. We should be more strict with HID_GENERIC devices, however, since there is no a priori guarantee that it is a tablet or touchpad. If the device_type is still uninitialized for a HID_GENERIC device then we assume that it isn't something the driver can work with and so fail the probe. Signed-off-by: NJason Gerecke <jason.gerecke@wacom.com> Reviewed-by: NPing Cheng <pingc@wacom.com> Reviewed-by: NBenjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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