Hi!
> + - flash_fault - list of flash faults that may have occurred:
> + * led-over-voltage - flash controller voltage to the flash LED
> + has exceededthe limit specific to the flash controller
> + * flash-timeout-exceeded - the flash strobe was still on when
> + the timeout set by the user has expired; not all flash
> + controllers may set this in all such conditions
> + * controller-over-temperature - the flash controller has
> + overheated
> + * controller-short-circuit - the short circuit protection
> + of the flash controller has been triggered
> + * led-power-supply-over-current - current in the LED power
> + supply has exceeded the limit specific to the flash
> + controller
> + * indicator-led-fault - the flash controller has detected
> + a short or open circuit condition on the indicator LED
> + * led-under-voltage - flash controller voltage to the flash
> + LED has been below the minimum limit specific to
> + the flash
> + * controller-under-voltage - the input voltage of the flash
> + controller is below the limit under which strobing the
> + flash at full current will not be possible. The
> condition
> + persists until this flag is no longer set
> + * led-over-temperature - the temperature of the LED has exceeded
> + its allowed upper limit
> +
> + Flash faults are cleared, if possible, by reading the attribute.
That's bad. Now you can no longer present flash_fault file as readable
to non-root users, and grep -ri foo /sys will interfere with your
camera application.
Bad interface, just fix it.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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