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a96bfa135d
LED current is configurable via the sysfs. Max current is a read-only attribute. These attributes code can be shared in lp55xx common driver. Device attributes: 'led_current' and 'max_current' move to lp55xx common driver Replaced functions: show_max_current() => lp55xx_show_max_current() show_current() => lp55xx_show_current() store_current() => lp55xx_store_current() LED setting function: set_led_current() Current registers are device specific, so configurable function is added in each driver. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>