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-rw-r--r--components/drivers/misc/pin.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/components/drivers/misc/pin.c b/components/drivers/misc/pin.c
index fb139575b4..9cbe47089e 100644
--- a/components/drivers/misc/pin.c
+++ b/components/drivers/misc/pin.c
@@ -60,7 +60,7 @@ static rt_size_t _pin_write(rt_device_t dev, rt_off_t pos, const void *buffer, r
return size;
}
-static rt_err_t _pin_control(rt_device_t dev, rt_uint8_t cmd, void *args)
+static rt_err_t _pin_control(rt_device_t dev, int cmd, void *args)
{
struct rt_device_pin_mode *mode;
struct rt_device_pin *pin = (struct rt_device_pin *)dev;