ALWAYS_POLL_CTRL
if (quirks & ALWAYS_POLL_CTRL)
if (acm->quirks & ALWAYS_POLL_CTRL) {
if (tty_port_initialized(&acm->port) || (acm->quirks & ALWAYS_POLL_CTRL)) {
.driver_info = VENDOR_CLASS_DATA_IFACE | ALWAYS_POLL_CTRL },
if (!(acm->quirks & ALWAYS_POLL_CTRL)) {
if (acm->quirks & ALWAYS_POLL_CTRL) {