From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: DM365 McBSP as Master
Date: Mon, 17 Oct 2011 14:47:57 +0200
Message-ID: <4E9C23FD.2090106@ladisch.de>
References: <CAODvfaF4f0ZrPQdR1CiFBp5=WZAkj9fQnjNPgdY15c0wYW-fkA@mail.gmail.com>	<4E78A059.4010300@mentor.com>	<CAODvfaG=uSC0J6-q+Cd6cb4Sfb1gNRoYE2UCAziKmtVKa2_qeQ@mail.gmail.com>	<CAODvfaEEwdPbZGz91H-F080nfPh33r8Y16aCoB83SeghaMGqbA@mail.gmail.com>	<4E7C3039.1090203@mentor.com>	<CAODvfaEMx+Jz0dYbUcPsyJ6JWKXi-_wmbXC=MsC11Jv+PUuJ1g@mail.gmail.com>	<4E9BF5A0.5090203@mentor.com>	<CAODvfaFCDuQWGNKHuNWNSOU3d4vcwj-7WquA9xfuCCk1dOYQ7w@mail.gmail.com>
	<CAODvfaHtaNp=9stMC8LduRsKwpGTwQ-3R4=yKoRodzVBABEXPA@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <alsa-devel-bounces@alsa-project.org>
Received: from out5.smtp.messagingengine.com (out5.smtp.messagingengine.com
	[66.111.4.29]) by alsa0.perex.cz (Postfix) with ESMTP id 7AF462445C
	for <alsa-devel@alsa-project.org>;
	Mon, 17 Oct 2011 14:47:36 +0200 (CEST)
In-Reply-To: <CAODvfaHtaNp=9stMC8LduRsKwpGTwQ-3R4=yKoRodzVBABEXPA@mail.gmail.com>
List-Unsubscribe: <http://mailman.alsa-project.org/mailman/listinfo/alsa-devel>,
	<mailto:alsa-devel-request@alsa-project.org?subject=unsubscribe>
List-Archive: <http://mailman.alsa-project.org/pipermail/alsa-devel>
List-Post: <mailto:alsa-devel@alsa-project.org>
List-Help: <mailto:alsa-devel-request@alsa-project.org?subject=help>
List-Subscribe: <http://mailman.alsa-project.org/mailman/listinfo/alsa-devel>,
	<mailto:alsa-devel-request@alsa-project.org?subject=subscribe>
Sender: alsa-devel-bounces@alsa-project.org
Errors-To: alsa-devel-bounces@alsa-project.org
To: Appalayagari Sreedhar <sreecha01@gmail.com>
Cc: alsa-devel@alsa-project.org, Mark Brown <broonie@opensource.wolfsonmicro.com>, Liam Girdwood <lrg@ti.com>, Vladimir Barinov <Vladimir_Barinov@mentor.com>
List-Id: alsa-devel@alsa-project.org

Clemens
Regards,


implementations; you should open the device twice.
the device in full duplex mode.  This is not supported by most OSS
O_RDWR indicates that you want to use the same file handle to use


Appalayagari Sreedhar wrote:
> root@dm368-evm:/# ./myoss
> Audio Driver failed to open, oss_fd = -1 errno = 22
> 
> On 10/17/11, Appalayagari Sreedhar <sreecha01@gmail.com> wrote:
>> i found that if i open the device O_WRONLY and O_RDONLY mode it works.
>> if i try to open the device using the O_RDWR mode it fails.