From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Mack Subject: Re: [alsa-devel] channel swapping issue on OMAP3/TWL4030 is back Date: Fri, 22 Mar 2013 11:11:42 +0100 Message-ID: <514C2E5E.2040909@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-we0-f173.google.com ([74.125.82.173]:60285 "EHLO mail-we0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932633Ab3CVKLn (ORCPT ); Fri, 22 Mar 2013 06:11:43 -0400 Received: by mail-we0-f173.google.com with SMTP id x51so3016433wey.4 for ; Fri, 22 Mar 2013 03:11:42 -0700 (PDT) In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Peter Meerwald Cc: Peter Ujfalusi , Jarkko Nikula , alsa-devel@alsa-project.org, linux-omap@vger.kernel.org On 22.03.2013 10:56, Peter Meerwald wrote: > >> I'm running Linux 3.7 on a beagle-xm and observe very reproducible stereo >> channel swapping issue on playback of a stereo stream (one channel has a >> sine, the other is zero); the channel swap occurs on starting the playback > >> it appears that the swapping issue is back, probably due to the DMA rework >> in recent kernel? > > kernel 3.4 does not have the issue Well, then, I guess, you'll have to bisect it down. Daniel