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path: root/tools/leds/led_hw_brightness_mon.c
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2017-02-14tools/leds: Add led_hw_brightness_mon programJacek Anaszewski
LED subsystem supports POLLPRI on "brightness_hw_changed" sysfs file of LED class devices. This tool demonstrates how to use the feature. Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Pavel Machek <pavel@ucw.cz>