关于gpio点亮led的问题，我只能控制点亮ir，network的两颗都点不亮，请问如何点亮这两颗？
gpio信息：
gpiochip0: GPIOs 512-519, parent: amba/f8004000.gpio, f8004000.gpio:
gpiochip0 - 8 lines:
line 0: unnamed unused input active-high
line 1: unnamed unused input active-high
line 2: unnamed unused output active-high // ir led
line 3: unnamed unused input active-high
line 4: unnamed unused input active-high
line 5: unnamed unused input active-high
line 6: unnamed unused input active-high
line 7: unnamed unused input active-high
