From patchwork Mon Mar 30 19:40:37 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 6124051 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 5D8DA9F1BE for ; Mon, 30 Mar 2015 19:44:24 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 83DEB202D1 for ; Mon, 30 Mar 2015 19:44:23 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 7BEE820270 for ; Mon, 30 Mar 2015 19:44:20 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id B0D642614C5; Mon, 30 Mar 2015 21:44:19 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id EE23026071E; Mon, 30 Mar 2015 21:41:56 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 745D026071E; Mon, 30 Mar 2015 21:41:55 +0200 (CEST) Received: from mail.free-electrons.com (down.free-electrons.com [37.187.137.238]) by alsa0.perex.cz (Postfix) with ESMTP id B6768260629 for ; Mon, 30 Mar 2015 21:40:43 +0200 (CEST) Received: by mail.free-electrons.com (Postfix, from userid 106) id BB8FD372; Mon, 30 Mar 2015 21:40:53 +0200 (CEST) Received: from localhost (128-79-216-6.hfc.dyn.abo.bbox.fr [128.79.216.6]) by mail.free-electrons.com (Postfix) with ESMTPSA id 60285364; Mon, 30 Mar 2015 21:40:49 +0200 (CEST) From: Alexandre Belloni To: Mark Brown , Bo Shen , Nicolas Ferre Date: Mon, 30 Mar 2015 21:40:37 +0200 Message-Id: <1427744437-14610-1-git-send-email-alexandre.belloni@free-electrons.com> X-Mailer: git-send-email 2.1.0 Cc: alsa-devel@alsa-project.org, Alexandre Belloni , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [alsa-devel] [PATCH] ASoC: atmel-pcm-dma: increase buffer_bytes_max X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP 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. Signed-off-by: Alexandre Belloni --- sound/soc/atmel/atmel-pcm-dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/atmel/atmel-pcm-dma.c b/sound/soc/atmel/atmel-pcm-dma.c index b8e7bad05eb1..b6625c8c411b 100644 --- a/sound/soc/atmel/atmel-pcm-dma.c +++ b/sound/soc/atmel/atmel-pcm-dma.c @@ -54,7 +54,7 @@ static const struct snd_pcm_hardware atmel_pcm_dma_hardware = { .period_bytes_max = 2 * 0xffff, /* if 2 bytes format */ .periods_min = 8, .periods_max = 1024, /* no limit */ - .buffer_bytes_max = ATMEL_SSC_DMABUF_SIZE, + .buffer_bytes_max = 512 * 1024, }; /** @@ -119,7 +119,7 @@ static int atmel_pcm_configure_dma(struct snd_pcm_substream *substream, static const struct snd_dmaengine_pcm_config atmel_dmaengine_pcm_config = { .prepare_slave_config = atmel_pcm_configure_dma, .pcm_hardware = &atmel_pcm_dma_hardware, - .prealloc_buffer_size = ATMEL_SSC_DMABUF_SIZE, + .prealloc_buffer_size = 64 * 1024, }; int atmel_pcm_dma_platform_register(struct device *dev)