+ /*
+ * After the timer interrupt, drop the current reading.
+ * We may have changed the PWM outputs, so the value is
+ * probably useless anyway.
+ * FIXME: possible race condition - we should make an explicit
+ * notification inside the timer IRQ handler.
+ */
+ if (slow_adcs_wanted) {
+ start_next_adc();
+ return;
+ }
+