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 Acked-by: Hans de Goede Acked-by: Pavel Machek
# Makefile for LEDs tools CC = $(CROSS_COMPILE)gcc CFLAGS = -Wall -Wextra -g -I../../include/uapi all: uledmon led_hw_brightness_mon %: %.c $(CC) $(CFLAGS) -o $@ $^ clean: $(RM) uledmon led_hw_brightness_mon .PHONY: all clean