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  • Heiko Stübner's avatar
    Input: add generic GPIO-tilt driver · 3bfd5c5b
    Heiko Stübner authored
    
    
    There exist tilt switches that simply report their tilt-state via
    some gpios. The number and orientation of their axes can vary
    depending on the switch used and the build of the device. Also two
    or more one-axis switches could be combined to provide multi-dimensional
    orientation.
    
    One example of a device using such a switch is the family of Qisda
    ebook readers, where the switch provides information about the
    landscape / portrait orientation of the device. The example in
    Documentation/input/gpio-tilt.txt documents exactly this one-axis
    device.
    
    Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
    Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
    3bfd5c5b