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  • David Lechner's avatar
    leds: Introduce userspace LED class driver · e381322b
    David Lechner authored
    
    
    This driver creates a userspace leds driver similar to uinput.
    
    New LEDs are created by opening /dev/uleds and writing a uleds_user_dev
    struct. A new LED class device is registered with the name given in the
    struct. Reading will return a single byte that is the current brightness.
    The poll() syscall is also supported. It will be triggered whenever the
    brightness changes. Closing the file handle to /dev/uleds will remove
    the leds class device.
    
    Signed-off-by: default avatarDavid Lechner <david@lechnology.com>
    Signed-off-by: default avatarJacek Anaszewski <j.anaszewski@samsung.com>
    e381322b