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-rw-r--r--src/atsam/gpio.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/atsam/gpio.h b/src/atsam/gpio.h
index 5b5c8139..e9fc4c3e 100644
--- a/src/atsam/gpio.h
+++ b/src/atsam/gpio.h
@@ -25,7 +25,7 @@ struct gpio_pwm {
void *reg;
};
struct gpio_pwm gpio_pwm_setup(uint8_t pin, uint32_t cycle_time, uint8_t val);
-void gpio_pwm_write(struct gpio_pwm g, uint8_t val);
+void gpio_pwm_write(struct gpio_pwm g, uint32_t val);
struct gpio_adc {
uint32_t chan;