1、在init.qcom.rc文件 on post-fs-data节点
on post-fs-data
# LED hwen or multiple
chmod 0777 /sys/devices/platform/soc/a94000.i2c/i2c-1/1-0020/leds/aw210xx_led/hwen
chmod 0777 /sys/devices/platform/soc/a94000.i2c/i2c-1/1-0020/leds/aw210xx_led/multiple
2、ls -l 查看权限
3、ls -l 查看权限
/sys/bus/i2c/drivers/aw210xx_led/1-0020/leds/aw210xx_led/hwen 和 ls -l
/sys/bus/i2c/drivers/aw210xx_led/1-0020/leds/aw210xx_led/multiple
4、第四步编译aosp 固件源码 烧录开机可以正常打开led