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    SubjectRe: best way to handle LEDs
    On Wed, 2 Nov 2005, Pavel Machek wrote:
    > > > yellow off: not charging
    > > > yellow on: charging
    > > > yellow fast blink: charge error
    > > >
    > > > I think even slow blinking was used somewhere. I have some code from
    > > > John Lenz (attached); it uses sysfs interface, exports led collor, and
    > > > allows setting different frequencies.
    > > >
    > > > Is that acceptable, or should some other interface be used?
    > >
    > > IMHO reducing digital outputs to LEDs goes not far enough. All System-
    > > on-Chip CPUs have General Purpose I/O pins today, which can act as
    > > inputs or outputs and may be used for LEDs, matrix keyboard lines,
    > We have some leds that are *not* on GPIO pins (like driven by
    > ACPI). We'd like to support those, too.

    I though ACPI was software? These LEDs have to be driven by some hardware,



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