From mboxrd@z Thu Jan 1 00:00:00 1970 From: Caleb Crome Subject: Re: [PATCH v2] ASoC: fsl_ssi: Fix channel swap on playback start Date: Mon, 3 Apr 2017 16:42:25 -0700 Message-ID: References: <1491058131-31366-1-git-send-email-festevam@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-vk0-f67.google.com (mail-vk0-f67.google.com [209.85.213.67]) by alsa0.perex.cz (Postfix) with ESMTP id 9EAA6266DCC for ; Tue, 4 Apr 2017 01:42:47 +0200 (CEST) Received: by mail-vk0-f67.google.com with SMTP id d188so20493359vka.3 for ; Mon, 03 Apr 2017 16:42:47 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Fabio Estevam Cc: "alsa-devel@alsa-project.org" , Arnaud Mouiche , Timur Tabi , Nicolin Chen , Mark Brown , Max Krummenacher , Fabio Estevam , Sascha Hauer List-Id: alsa-devel@alsa-project.org On Mon, Apr 3, 2017 at 4:40 PM, Fabio Estevam wrote: > Hi Caleb, > > On Mon, Apr 3, 2017 at 8:22 PM, Caleb Crome wrote: > >> With a vanilla kernel, it works perfectly with the pinctrl patch. >> In this case, I ran a cable from the wandboard over to my computer and >> recorded with audacity, using your wile true script above. >> Here you can see that with 4.11-rc5 plus the pinctrl patch, there is >> no channel swapping: >> >> http://imgur.com/od0LoJP > > Which wandboard type do you have? mx6solo,dl or quad? > > I am using imx6dl-wandboard. > > I am surprised that the channel swap does not happen on your case. > Maybe you need to run the test for an extended period of time? Running on a quad. > > On my case I usually get the swap in 1/10 of times. Max uses a Toradex > MX6DL Colibri board and sees the swap in 3-4% of the times. I'll run it for a much longer time and see what happens.