drivers/leds/leds-lp5523.c: perform SW reset before detection
Chip detection may fail if the chip is in some odd state for example after system restart. Chip doesn't have HW reset line. Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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