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@@ -279,7 +279,7 @@ __exit:
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return RT_EOK;
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}
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-static rt_size_t rt_sensor_read(rt_device_t dev, rt_off_t pos, void *buf, rt_size_t len)
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+static rt_ssize_t rt_sensor_read(rt_device_t dev, rt_off_t pos, void *buf, rt_size_t len)
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{
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rt_sensor_t sensor = (rt_sensor_t)dev;
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rt_size_t result = 0;
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