USBMODE_CM_DC
is_device_mode = hw_read(ci, OP_USBMODE, USBMODE_CM) == USBMODE_CM_DC;
hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_DC);
if (hw_read(ci, OP_USBMODE, USBMODE_CM) != USBMODE_CM_DC) {
USBMODE_CM_DC) {