tree 1cace41a22eb5fc4d5c4e1fbc71442bb5234988e
parent b15a762f02acb4f1e695a17435f719350f9d5bc1
author Felipe Balbi <balbi@ti.com> 1359059388 +0200
committer Felipe Balbi <balbi@ti.com> 1363598231 +0200

usb: common: introduce usb_state_string()

this function will receive enum usb_device_state
and return a human-readable string from it or,
case an unknown value is passed as argument,
the string "UNKNOWN".

Signed-off-by: Felipe Balbi <balbi@ti.com>