altos/attiny: Mark 'mode' param to ao_exti_setup_port as used

Retain API.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/src/attiny/ao_exti.c b/src/attiny/ao_exti.c
index 8ae1c4a09542baad4e5fd7a77938d62ca95445bd..c5b7eb2b078380b531b200058e7dc3a0470a781d 100644 (file)
--- a/src/attiny/ao_exti.c
+++ b/src/attiny/ao_exti.c
@@ -31,6 +31,7 @@ ISR(PCINT0_vect)
 void
 ao_exti_setup_port(uint8_t pin, uint8_t mode, void (*callback)(void))
 {
 void
 ao_exti_setup_port(uint8_t pin, uint8_t mode, void (*callback)(void))
 {

+       (void) mode;

        pcint_callback = callback;
        pcint_mask = (1 << pin);
        ao_exti_disable(PORTB, pin);
        pcint_callback = callback;
        pcint_mask = (1 << pin);
        ao_exti_disable(PORTB, pin);