From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753503AbbDAUdz (ORCPT ); Wed, 1 Apr 2015 16:33:55 -0400 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:46430 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752407AbbDAUdu (ORCPT ); Wed, 1 Apr 2015 16:33:50 -0400 Date: Wed, 1 Apr 2015 21:33:42 +0100 From: Mark Brown To: Alexandre Belloni Cc: Bo Shen , Nicolas Ferre , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org Message-ID: <20150401203342.GH6023@sirena.org.uk> References: <1427744437-14610-1-git-send-email-alexandre.belloni@free-electrons.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="qM81t570OJUP5TU/" Content-Disposition: inline In-Reply-To: <1427744437-14610-1-git-send-email-alexandre.belloni@free-electrons.com> X-Cookie: I've been there. User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: 94.175.94.161 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Re: [PATCH] ASoC: atmel-pcm-dma: increase buffer_bytes_max X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on mezzanine.sirena.org.uk) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --qM81t570OJUP5TU/ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Mar 30, 2015 at 09:40:37PM +0200, Alexandre Belloni wrote: > atmel-pcm-dma is not limited to a buffer size of 64kB like atmel-pcm-pdc. > Increase buffer_bytes_max to 512kB to allow for higher bit rates (i.e. 32bps at > 192kHz) to work correctly. By default, keep the prealloc at 64kB. Applied, but please look into Lars' suggestion - we should be able to just figure everything out from the DMA controller. --qM81t570OJUP5TU/ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJVHFYlAAoJECTWi3JdVIfQ+8cH/0byFLSIR25J6M3sC4SS2pMk yFnT1RvGCrMypOIoezdsp8Egp0sJ06LasDF3o4lrh0/B1DEo2TZr7ngbODfHhXjI PNXHWKW2maEFEPb4boR45ivU35nvlSveJNDjT2lOFj//PIMJ3p65GkeVkTGL+Dd0 IM5xr/em3/rt5py2Jx7ILOD4f/BHa+7wZEILrqcFiDxMrrhmuI8n6mnN5wxyGAxa hYQoli1m+QgCJaKNWW0UIevRyHrHYFsOf92ruObsCX7rHbb0VVwW1fhugBHzoNqD Z+LRLjuICqy4ifKWSoP/Cpc6v7/2khE0NMgbd9xmB/8NI+sBDdVtO81M4vW7T4I= =k4wT -----END PGP SIGNATURE----- --qM81t570OJUP5TU/--