From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 18 Jan 2002 13:26:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 18 Jan 2002 13:26:29 -0500 Received: from lacrosse.corp.redhat.com ([12.107.208.154]:60120 "EHLO lacrosse.corp.redhat.com") by vger.kernel.org with ESMTP id ; Fri, 18 Jan 2002 13:26:12 -0500 Message-ID: <3C4868C3.5050107@redhat.com> Date: Fri, 18 Jan 2002 13:26:11 -0500 From: Doug Ledford User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.7+) Gecko/20020103 X-Accept-Language: en-us MIME-Version: 1.0 To: Jean-Marc Valin CC: linux-kernel@vger.kernel.org Subject: Re: Full-duplex not working with i810_audio In-Reply-To: <1011369443.1395.15.camel@idefix.homelinux.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jean-Marc Valin wrote: > I can't get full-duplex audio to work on my laptop with 2.4.17 (using > the i810_audio sound driver). I know my card (ADI 188x WDM) supports it > because it works fine with the commercial OSS. > > In the sample code: > fd = open("/dev/dsp", O_RDWR); > ioctl(fd, SNDCTL_DSP_SETDUPLEX, 0) > I get: > SNDCTL_DSP_SETDUPLEX: Invalid argument That ioctl is not supported in the base i810 sound driver. > Also, when using the "rec" (based on sox) utility, my kernel crashes > completely (no panic, no oops, nothing else happens). Download the updated i810_audio.c file from my web site and let me know if basic recording still crashes for you (http://people.redhat.com/dledford/i810_audio.c.gz) > My setup is: > Compaq Presario 1720CA > PIII mobile 1 GHz / 256 MB RAM > ATI Mobility Radeon M6 / 8 MB > ADI 188x WDM sound chip (on-board) > RedHat 7.2/2.4.17 > > Can anyone help me? > > Jean-Marc > > P.S. Please CC to me, as I am not subscribed to the list > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > > -- Doug Ledford http://people.redhat.com/dledford Please check my web site for aic7xxx updates/answers before e-mailing me about problems