From patchwork Mon Feb 2 06:44:46 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bo Shen X-Patchwork-Id: 5759441 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4DFDCBF440 for ; Mon, 2 Feb 2015 06:48:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7A78220253 for ; Mon, 2 Feb 2015 06:48:08 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DA6CC201BC for ; Mon, 2 Feb 2015 06:48:05 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YIAlB-0002v1-VO; Mon, 02 Feb 2015 06:45:25 +0000 Received: from nasmtp01.atmel.com ([192.199.1.246] helo=DVREDG02.corp.atmel.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YIAl9-0001lh-Fk for linux-arm-kernel@lists.infradead.org; Mon, 02 Feb 2015 06:45:23 +0000 Received: from sjogate2.atmel.com (10.42.103.223) by DVREDG02.corp.atmel.com (10.42.103.31) with Microsoft SMTP Server id 14.2.347.0; Sun, 1 Feb 2015 23:44:57 -0700 Received: from localhost.localdomain ([10.217.12.46]) by sjogate2.atmel.com (8.13.6/8.13.6) with ESMTP id t126gh9c022713; Sun, 1 Feb 2015 22:42:44 -0800 (PST) From: Bo Shen To: Mark Brown Subject: [PATCH] ASoC: atmel-pcm-dma: won't check direction when configure dma Date: Mon, 2 Feb 2015 14:44:46 +0800 Message-ID: <1422859486-11051-1-git-send-email-voice.shen@atmel.com> X-Mailer: git-send-email 2.3.0.rc0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150201_224523_613104_22AD1DFD X-CRM114-Status: UNSURE ( 7.72 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: alsa-devel@alsa-project.org, nicolas.ferre@atmel.com, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, Ludovic.Desroches@atmel.com, Bo Shen , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As DMA framework request DMA using direction only in prep_slave function, (The At91 xdma driver has adapted to this request). So won't check direction when do DMA configuration. Signed-off-by: Bo Shen --- sound/soc/atmel/atmel-pcm-dma.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/sound/soc/atmel/atmel-pcm-dma.c b/sound/soc/atmel/atmel-pcm-dma.c index 33fb3bb..b8e7bad 100644 --- a/sound/soc/atmel/atmel-pcm-dma.c +++ b/sound/soc/atmel/atmel-pcm-dma.c @@ -105,13 +105,11 @@ static int atmel_pcm_configure_dma(struct snd_pcm_substream *substream, return ret; } - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - slave_config->dst_addr = ssc->phybase + SSC_THR; - slave_config->dst_maxburst = 1; - } else { - slave_config->src_addr = ssc->phybase + SSC_RHR; - slave_config->src_maxburst = 1; - } + slave_config->dst_addr = ssc->phybase + SSC_THR; + slave_config->dst_maxburst = 1; + + slave_config->src_addr = ssc->phybase + SSC_RHR; + slave_config->src_maxburst = 1; prtd->dma_intr_handler = atmel_pcm_dma_irq;