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    Subject[PATCH] input: extend EV_LED

    Extend EV_LED handling code so that it can handle not
    only two states (on/off) but also others. For example
    a LED can blink using hardware acceleration. The code
    changed so that it is similar to the code at EV_SND.

    Signed-off-by: Márton Németh <nm127@freemail.hu>

    ---
    diff -uprN linux-2.6.20.orig/drivers/input/input.c
    linux/drivers/input/input.c
    --- linux-2.6.20.orig/drivers/input/input.c 2007-02-04
    19:44:54.000000000 +0100
    +++ linux/drivers/input/input.c 2007-02-10 15:20:28.000000000 +0100
    @@ -141,10 +141,11 @@ void input_event(struct input_dev *dev,

    case EV_LED:

    - if (code > LED_MAX || !test_bit(code, dev->ledbit) ||
    !!test_bit(code, dev->led) == value)
    + if (code > LED_MAX || !test_bit(code, dev->ledbit))
    return;

    - change_bit(code, dev->led);
    + if (!!test_bit(code, dev->led) != !!value)
    + change_bit(code, dev->led);

    if (dev->event)
    dev->event(dev, type, code, value);
    -
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