MUX_S_ACTIVE
if (ipc_mux->state != MUX_S_ACTIVE) {
case MUX_S_ACTIVE:
ipc_mux->state = MUX_S_ACTIVE;
if (ipc_mux->state == MUX_S_ACTIVE) {
if (!ipc_mux || ipc_mux->state != MUX_S_ACTIVE ||
if (!ipc_mux->initialized || ipc_mux->state != MUX_S_ACTIVE)