forked from ~ljy/RK356X_SDK_RELEASE

hc
2023-03-07 b7c0d7ef5080a876d1e2a044d0a51dcb0e0bcf1e
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What: /sys/bus/platform/devices/*twl4030-usb/vbus
Description:
   Read-only status reporting if VBUS (approx 5V)
   is being supplied by the USB bus.
 
   Possible values: "on", "off".
 
   Changes are notified via select/poll.