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authorJason Gerecke <killertofu@gmail.com>2018-10-10 22:40:26 +0200
committerJiri Kosina <jkosina@suse.cz>2018-10-11 14:32:01 +0200
commit11db8173dbab7a94cf5ba5225fcedbfc0f3b7e54 (patch)
tree730cbdfdd394e42c10ee407b5a45450f4b2f80a6 /drivers/hid/hid-ids.h
parentHID: elan: fix spelling mistake "registred" -> "registered" (diff)
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HID: wacom: Work around HID descriptor bug in DTK-2451 and DTH-2452
The DTK-2451 and DTH-2452 have a buggy HID descriptor which incorrectly contains a Cintiq-like report, complete with pen tilt, rotation, twist, serial number, etc. The hardware doesn't actually support this data but our driver duitifully sets up the device as though it does. To ensure userspace has a correct view of devices without updated firmware, we clean up this incorrect data in wacom_setup_device_quirks. We're also careful to clear the WACOM_QUIRK_TOOLSERIAL flag since its presence causes the driver to wait for serial number information (via wacom_wac_pen_serial_enforce) that never comes, resulting in the pen being non-responsive. Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com> Fixes: 8341720642 ("HID: wacom: Queue events with missing type/serial data for later processing") Cc: stable@vger.kernel.org # v4.16+ Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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