FTM_QUADDEC_SYNAPSE_ACTION_BOTH_EDGES,
};
-static enum counter_synapse_action ftm_quaddec_synapse_actions[] = {
+static const enum counter_synapse_action ftm_quaddec_synapse_actions[] = {
[FTM_QUADDEC_SYNAPSE_ACTION_BOTH_EDGES] =
COUNTER_SYNAPSE_ACTION_BOTH_EDGES
};