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    HID: wacom: Properly handle AES serial number and tool type · 99acedad
    Jason Gerecke 提交于
    Current AES sensors relay tool type and serial number information with
    a different set of usages than those prescribed by the modern (i.e.
    MobileStudio Pro and newer) EMR tablet standard. To ensure the driver
    properly understands these usages, we modify them to be compatible.
    The identifying information is split across three consecutive fields:
    a 16-bit WACOM_HID_WT_SERIALNUMBER (which is more accurately described
    as WACOM_HID_WD_TOOLTYPE), a 32-bit HID_DG_TOOLSERIALNUMBER, and an
    8-bit 0xFF000000 (which should be WACOM_HID_WD_SERIALHI). While we're
    at it, we also define proper min/max values since may may be undefined
    on some devices.
    Signed-off-by: NJason Gerecke <jason.gerecke@wacom.com>
    Reviewed-by: NBenjamin Tissoires <benjamin.tissoires@redhat.com>
    Signed-off-by: NJiri Kosina <jkosina@suse.cz>
    99acedad
wacom_wac.c 143.6 KB