@ -37,13 +37,14 @@ void LEDControl::next_mode(void) {
void LEDControl::prev_mode(void) {
if (mode == 0) {
// wrap around
mode = LED_MAX_MODES;
mode = LED_MAX_MODES - 1;
// then count down until reaching a valid mode
while (mode > 0 && !modes[mode]) mode--;
} else {
mode--;
}
set_mode(mode);
return set_mode(mode);
void