<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <HTML ><HEAD ><TITLE >via_dsp_ioctl_space</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Via 686 Audio Driver for Linux" HREF="book1.html"><LINK REL="UP" TITLE="Internal Functions" HREF="c211.html"><LINK REL="PREVIOUS" TITLE="via_dsp_drain_playback" HREF="r978.html"><LINK REL="NEXT" TITLE="via_dsp_ioctl_ptr" HREF="r1064.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Via 686 Audio Driver for Linux</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="r978.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="r1064.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="AEN1021" ></A ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >via_dsp_ioctl_space</SPAN ></SPAN ></H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN1025" ></A ><H2 >Name</H2 >via_dsp_ioctl_space -- get information about channel buffering </DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN1028" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN1030" ></A ><P ></P ><P ><CODE ><CODE CLASS="FUNCDEF" >int <TT CLASS="FUNCTION" >via_dsp_ioctl_space </TT ></CODE >(struct via_info * <TT CLASS="PARAMETER" ><I >card</I ></TT >, struct via_channel * <TT CLASS="PARAMETER" ><I >chan</I ></TT >, void * <TT CLASS="PARAMETER" ><I >arg</I ></TT >);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN1040" ></A ><H2 >Arguments</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><TT CLASS="PARAMETER" ><I >card</I ></TT ></DT ><DD ><P > Private info for specified board </P ></DD ><DT ><TT CLASS="PARAMETER" ><I >chan</I ></TT ></DT ><DD ><P > pointer to channel-specific info </P ></DD ><DT ><TT CLASS="PARAMETER" ><I >arg</I ></TT ></DT ><DD ><P > user buffer for returned information </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN1058" ></A ><H2 >Description</H2 ><P > Handles SNDCTL_DSP_GETISPACE and SNDCTL_DSP_GETOSPACE. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN1061" ></A ><H2 >Locking</H2 ><P > inside card->syscall_sem </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="r978.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="book1.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="r1064.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >via_dsp_drain_playback</SPAN ></SPAN ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="c211.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >via_dsp_ioctl_ptr</SPAN ></SPAN ></TD ></TR ></TABLE ></DIV ></BODY ></HTML >