From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Ujfalusi Subject: Re: [PATCH 0/4] McBSP smart idle and DMA op mode updates for ASoC Date: Wed, 19 May 2010 14:36:51 +0300 Message-ID: <201005191436.52149.peter.ujfalusi@nokia.com> References: <1274213594-26554-1-git-send-email-lrg@slimlogic.co.uk> <201005191131.58167.peter.ujfalusi@nokia.com> <20100519105227.GL4265@besouro.research.nokia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20100519105227.GL4265@besouro.research.nokia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: "Valentin Eduardo (Nokia-D/Helsinki)" Cc: "alsa-devel@alsa-project.org" , Tony Lindgren , Mark Brown , "linux-omap@vger.kernel.org" , Liam Girdwood List-Id: linux-omap@vger.kernel.org On Wednesday 19 May 2010 13:52:27 Valentin Eduardo (Nokia-D/Helsinki) wrote: > > The DMA pointer is easy, and it was know before as well, but according = to > > my tests, the McBSP FIFO caused delay reporting is fairly accurate. I'll > > ask my users, if they have done some additional tests. > = > OK. fair enough. What if you really want to avoid the delay at all? You can't. the McBSP FIFO can not be bypassed. The only thing one can do is to take it into consideration. -- = P=E9ter