From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pascal Huerst Subject: Re: [PATCH] ASoC: davinci-mcasp: Correct rx format unit configuration Date: Wed, 14 Jan 2015 12:11:00 +0100 Message-ID: <54B64EC4.6040600@gmail.com> References: <1409817173-29234-1-git-send-email-peter.ujfalusi@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wg0-f42.google.com (mail-wg0-f42.google.com [74.125.82.42]) by alsa0.perex.cz (Postfix) with ESMTP id 28A9F261B28 for ; Wed, 14 Jan 2015 12:11:03 +0100 (CET) Received: by mail-wg0-f42.google.com with SMTP id k14so8232205wgh.1 for ; Wed, 14 Jan 2015 03:11:02 -0800 (PST) In-Reply-To: <1409817173-29234-1-git-send-email-peter.ujfalusi@ti.com> 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: alsa-devel@alsa-project.org Cc: peter.ujfalusi@ti.com List-Id: alsa-devel@alsa-project.org Hey Peter, all, the patch (8e3006d02b46a722729a3bbd6a774eae99c6c8b8), causes lots of terrible noise on a custom built am33xx based board, if I map the input to the output like so: arecord -f S16_LE -r 48000 -c2 -D hw:0,1 -F 0 --period-size=102 4 -B 0 --buffer-size=4096 | aplay -D hw:0,0 - If I undo your changes, everything works fine. Tested with 3.14.23 and 3.18.1. Do you have any Idea, what might cause that behavior? regards, pascal