> About a year ago I remember having tried to make BLINK_IDE a sysctl option.
>
> It was very simple to replace the compilation option (#define) with a
> variable. The problem I had (and I didn't succeed to solve it) is how
> to link this variable to a sysctl option :o( Also, I asked myself about
Look at (for instance) therm_adt746x driver source for examples.
> how can I avoid the following race condition: when someone modify the
> sysctl option, the led is on state on.
Postpone the actual state change until the time when the LED gets switched
off again, then disable the whole thing.
Michael
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