Sophie: kernel-doc-html-2.4.19-16mdk i586

kernel-doc-html-2.4.19-16mdk.i586.rpm

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>parport_device_coords</SPAN
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><H2
>Name</H2
>parport_device_coords&nbsp;--&nbsp;   convert canonical device number
 </DIV
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>Synopsis</H2
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><CODE
><CODE
CLASS="FUNCDEF"
>int <TT
CLASS="FUNCTION"
>parport_device_coords </TT
></CODE
>(int <TT
CLASS="PARAMETER"
><I
>devnum</I
></TT
>, int * <TT
CLASS="PARAMETER"
><I
>parport</I
></TT
>, int * <TT
CLASS="PARAMETER"
><I
>mux</I
></TT
>, int * <TT
CLASS="PARAMETER"
><I
>daisy</I
></TT
>);</CODE
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>Arguments</H2
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><DL
><DT
><TT
CLASS="PARAMETER"
><I
>devnum</I
></TT
></DT
><DD
><P
>      device number
    </P
></DD
><DT
><TT
CLASS="PARAMETER"
><I
>parport</I
></TT
></DT
><DD
><P
>      pointer to storage for parallel port number
    </P
></DD
><DT
><TT
CLASS="PARAMETER"
><I
>mux</I
></TT
></DT
><DD
><P
>      pointer to storage for multiplexor port number
    </P
></DD
><DT
><TT
CLASS="PARAMETER"
><I
>daisy</I
></TT
></DT
><DD
><P
>      pointer to storage for daisy chain address
    </P
></DD
></DL
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><A
NAME="AEN1036"
></A
><H2
>Description</H2
><P
>   This function converts a device number into its coordinates in
   terms of which parallel port in the system it is attached to,
   which multiplexor port it is attached to if there is a
   multiplexor on that port, and which daisy chain address it has
   if it is in a daisy chain.
   </P
><P
>&#13;   The caller must allocate storage for <TT
CLASS="PARAMETER"
><I
>parport</I
></TT
>, <TT
CLASS="PARAMETER"
><I
>mux</I
></TT
>, and
   <TT
CLASS="PARAMETER"
><I
>daisy</I
></TT
>.
   </P
><P
>&#13;   If there is no device with the specified device number, -ENXIO
   is returned.  Otherwise, the values pointed to by <TT
CLASS="PARAMETER"
><I
>parport</I
></TT
>,
   <TT
CLASS="PARAMETER"
><I
>mux</I
></TT
>, and <TT
CLASS="PARAMETER"
><I
>daisy</I
></TT
> are set to the coordinates of the device,
   with -1 for coordinates with no value.
   </P
><P
>&#13;   This function is not actually very useful, but this interface
   was suggested by IEEE 1284.3.
 </P
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