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It's not useful to build LED triggers when there's no LEDs that can be triggered by them. Therefore, fix up the dependencies so that this cannot happen, and fix a few users that select triggers to depend on LEDS_CLASS as well (there is also one user that also selects LEDS_CLASS, which is OK). Signed-off-by: Johannes Berg <[email protected]> Reported-by: Randy Dunlap <[email protected]> Acked-by: Randy Dunlap <[email protected]> Tested-by: Ingo Molnar <[email protected]> Cc: Arnd Hannemann <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Richard Purdie <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>