<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <HTML ><HEAD ><TITLE >Version 1.1.9</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="Driver ChangeLog" HREF="c82.html"><LINK REL="PREVIOUS" TITLE="Version 1.1.10" HREF="x133.html"><LINK REL="NEXT" TITLE="Version 1.1.8" HREF="x169.html"></HEAD ><BODY CLASS="SECT1" 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="x133.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Driver ChangeLog</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="x169.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="VERSION119" ></A >Version 1.1.9</H1 ><P ></P ><UL COMPACT="COMPACT" ><LI ><P > Redesign and rewrite audio playback implementation. (faster and smaller, hopefully) </P ></LI ><LI ><P > Implement recording and full duplex (DSP_CAP_DUPLEX) support. </P ></LI ><LI ><P > Make procfs support optional. </P ></LI ><LI ><P > Quick interrupt status check, to lessen overhead in interrupt sharing situations. </P ></LI ><LI ><P > Add mmap(2) support. Disabled for now, it is still buggy and experimental. </P ></LI ><LI ><P > Surround all syscalls with a semaphore for cheap and easy SMP protection. </P ></LI ><LI ><P > Fix bug in channel shutdown (hardware channel reset) code. </P ></LI ><LI ><P > Remove unnecessary spinlocks (better performance). </P ></LI ><LI ><P > Eliminate "unknown AFMT" message by using a different method of selecting the best AFMT_xxx sound sample format for use. </P ></LI ><LI ><P > Support for realtime hardware pointer position reporting (DSP_CAP_REALTIME, SNDCTL_DSP_GETxPTR ioctls) </P ></LI ><LI ><P > Support for capture/playback triggering (DSP_CAP_TRIGGER, SNDCTL_DSP_SETTRIGGER ioctls) </P ></LI ><LI ><P > SNDCTL_DSP_SETDUPLEX and SNDCTL_DSP_POST ioctls now handled. </P ></LI ><LI ><P > Rewrite open(2) and close(2) logic to allow only one user at a time. All other open(2) attempts will sleep until they succeed. FIXME: open(O_RDONLY) and open(O_WRONLY) should be allowed to succeed. </P ></LI ><LI ><P > Reviewed code to ensure that SMP and multiple audio devices are fully supported. </P ></LI ></UL ></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="x133.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="x169.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Version 1.1.10</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="c82.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Version 1.1.8</TD ></TR ></TABLE ></DIV ></BODY ></HTML >