ovl: create ovl_need_index() helper
[linux/fpc-iii.git] / Documentation / ABI / testing / sysfs-platform-chipidea-usb2
blobb0f4684a83fe7ab6d72a9ff780565933833c64a0
1 What:           /sys/bus/platform/devices/ci_hdrc.0/role
2 Date:           Mar 2017
3 Contact:        Peter Chen <peter.chen@nxp.com>
4 Description:
5                 It returns string "gadget" or "host" when read it, it indicates
6                 current controller role.
8                 It will do role switch when write "gadget" or "host" to it.
9                 Only controller at dual-role configuration supports writing.