mux_control_states
if (chan >= mux_control_states(mux->control)) {
if (state >= mux_control_states(mux->control)) {
EXPORT_SYMBOL_GPL(mux_control_states);
ctlr->num_chipselect = mux_control_states(priv->mux);
unsigned int mux_control_states(struct mux_control *mux);