Change return value of comedi_data_{read|write}()
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@ -480,8 +480,8 @@ Description:
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input channel at an earlier time with
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comedi_data_read_hint().
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On sucess, comedi_data_read() returns 0. If there is an
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error, -1 is returned.
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On sucess, comedi_data_read() returns 1 (the number of samples
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read). If there is an error, -1 is returned.
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Data values returned by this function are unsigned integers
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less than or equal to the maximum sample value of the channel,
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@ -554,8 +554,8 @@ Description:
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The function comedi_data_write() writes the data value specified
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by the parameter data to the specified channel.
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On sucess, comedi_data_write() returns 0. If there is an error, -1 is
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returned.
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On sucess, comedi_data_write() returns 1 (the number of samples
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written). If there is an error, -1 is returned.
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Function: comedi_dio_config -- change input/output properties of channel
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Retval: int
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