WhyCan Forum(哇酷开发者社区)

折腾很久，发现Power_supply下没有内容，这是怎么回事？代码能正常运行到交互状态，但电源管理却没有内容，电源管理部分驱动也没有报错。
[    1.080641] i2c driver name i2c_device_probe  xxxxxxxxxxxxxxxxxxxxxxxxx
[    1.087340] i2c driver name = c0805f74   xxxxxxxxxxxxxxxxxxxxxxxxx
[    1.093552] axp20x_i2c_probe  xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
[    1.099336] axp20x-i2c 0-0034: AXP20x variant AXP209 found
[    1.113096] ldo1: supplied by regulator-dummy
[    1.117910] ldo2: supplied by regulator-dummy
[    1.123442] ldo3: supplied by regulator-dummy
[    1.128695] ldo4: supplied by regulator-dummy
[    1.133335] ldo5: supplied by regulator-dummy
[    1.138940] dcdc2: supplied by regulator-dummy
[    1.144149] dcdc3: supplied by regulator-dummy
[    1.150498] axp20x-i2c 0-0034: AXP20X driver loaded

求解。。。。。