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 09:55:20 +0100 Message-ID: <514C1C78.3090702@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wi0-f171.google.com ([209.85.212.171]:64377 "EHLO mail-wi0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753704Ab3CVIzV (ORCPT ); Fri, 22 Mar 2013 04:55:21 -0400 Received: by mail-wi0-f171.google.com with SMTP id hn17so7504416wib.16 for ; Fri, 22 Mar 2013 01:55:20 -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 09:48, 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 Always? Or in like 50% of the runs? And is the record stream (IOW: the clocks) already running when you switch on playback? Maybe it's unreleated, but your report reminded me of this commit, which fixed a similar bug for pxa socs: 273b72c8c ("ASoC: pxa-ssp: atomically set stream active masks"). Daniel