On Thu, 1 Dec 2022, Jason Gerecke wrote: > From: Jason Gerecke <killertofu@xxxxxxxxx> > > Some Wacom devices have a special "bootloader" mode that is used for > firmware flashing. When operating in this mode, the device cannot be > used for input, and the HID descriptor is not able to be processed by > the driver. The driver generates an "Unknown device_type" warning and > then returns an error code from wacom_probe(). This is a problem because > userspace still needs to be able to interact with the device via hidraw > to perform the firmware flash. > > This commit adds a non-generic device definition for 056a:0094 which > is used when devices are in "bootloader" mode. It marks the devices > with a special BOOTLOADER type that is recognized by wacom_probe() and > wacom_raw_event(). When we see this type we ensure a hidraw device is > created and otherwise keep our hands off so that userspace is in full > control. > > Signed-off-by: Jason Gerecke <jason.gerecke@xxxxxxxxx> > Tested-by: Tatsunosuke Tobita <tatsunosuke.tobita@xxxxxxxxx> > Cc: <stable@xxxxxxxxxxxxxxx> Applied, thanks. -- Jiri Kosina SUSE Labs
