From patchwork Mon Oct 19 06:52:52 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricard Wanderlof X-Patchwork-Id: 7433851 Return-Path: X-Original-To: patchwork-alsa-devel@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 CD139BEEA4 for ; Mon, 19 Oct 2015 06:56:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0B2D9205D8 for ; Mon, 19 Oct 2015 06:56:09 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 3794D205F7 for ; Mon, 19 Oct 2015 06:56:07 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 8D332265A6C; Mon, 19 Oct 2015 08:56:05 +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=-2.6 required=5.0 tests=BAYES_00,NO_DNS_FOR_FROM, RCVD_IN_DNSWL_LOW, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id D83BD2657F8; Mon, 19 Oct 2015 08:53:19 +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 45E992657B3; Mon, 19 Oct 2015 08:53:15 +0200 (CEST) Received: from bes.se.axis.com (bes.se.axis.com [195.60.68.10]) by alsa0.perex.cz (Postfix) with ESMTP id 8A53226572A for ; Mon, 19 Oct 2015 08:53:05 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by bes.se.axis.com (Postfix) with ESMTP id 485862E46A; Mon, 19 Oct 2015 08:53:05 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at bes.se.axis.com Received: from bes.se.axis.com ([IPv6:::ffff:127.0.0.1]) by localhost (bes.se.axis.com [::ffff:127.0.0.1]) (amavisd-new, port 10024) with LMTP id GtML09E71BLA; Mon, 19 Oct 2015 08:53:04 +0200 (CEST) Received: from boulder.se.axis.com (boulder.se.axis.com [10.0.2.104]) by bes.se.axis.com (Postfix) with ESMTP id 77EE42E45B; Mon, 19 Oct 2015 08:53:04 +0200 (CEST) Received: from boulder.se.axis.com (localhost [127.0.0.1]) by postfix.imss71 (Postfix) with ESMTP id 4F898150A; Mon, 19 Oct 2015 08:53:04 +0200 (CEST) Received: from thoth.se.axis.com (thoth.se.axis.com [10.0.2.173]) by boulder.se.axis.com (Postfix) with ESMTP id 4266514FF; Mon, 19 Oct 2015 08:53:04 +0200 (CEST) Received: from lnxricardw1.se.axis.com (lnxricardw1.se.axis.com [10.88.7.2]) by thoth.se.axis.com (Postfix) with ESMTP id 3F35C34051; Mon, 19 Oct 2015 08:53:04 +0200 (CEST) Received: by lnxricardw1.se.axis.com (Postfix, from userid 9470) id 3E7655407E; Mon, 19 Oct 2015 08:53:04 +0200 (CEST) From: Ricard Wanderlof To: alsa-devel Date: Mon, 19 Oct 2015 08:52:52 +0200 Message-Id: <1445237575-396-5-git-send-email-ricardw@axis.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1445237575-396-1-git-send-email-ricardw@axis.com> References: <1444906657-16791-1-git-send-email-ricardw@axis.com> <1445237575-396-1-git-send-email-ricardw@axis.com> Cc: Takashi Iwai , Ricard Wanderlof , Ricard Wanderlof Subject: [alsa-devel] [PATCH v2 4/7] ALSA: USB-audio: Add offset parameter to copy_to_urb() 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 Preparation for adding Zoom R16/24 quirk. No functional change. Signed-off-by: Ricard Wanderlof --- sound/usb/pcm.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index ee8dd9e..e3c5bc0 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -1387,8 +1387,8 @@ static inline void fill_playback_urb_dsd_dop(struct snd_usb_substream *subs, subs->hwptr_done -= runtime->buffer_size * stride; } -static void copy_to_urb(struct snd_usb_substream *subs, - struct urb *urb, int stride, unsigned int bytes) +static void copy_to_urb(struct snd_usb_substream *subs, struct urb *urb, + int offset, int stride, unsigned int bytes) { struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime; @@ -1396,12 +1396,12 @@ static void copy_to_urb(struct snd_usb_substream *subs, /* err, the transferred area goes over buffer boundary. */ unsigned int bytes1 = runtime->buffer_size * stride - subs->hwptr_done; - memcpy(urb->transfer_buffer, + memcpy(urb->transfer_buffer + offset, runtime->dma_area + subs->hwptr_done, bytes1); - memcpy(urb->transfer_buffer + bytes1, + memcpy(urb->transfer_buffer + offset + bytes1, runtime->dma_area, bytes - bytes1); } else { - memcpy(urb->transfer_buffer, + memcpy(urb->transfer_buffer + offset, runtime->dma_area + subs->hwptr_done, bytes); } subs->hwptr_done += bytes; @@ -1488,7 +1488,7 @@ static void prepare_playback_urb(struct snd_usb_substream *subs, subs->hwptr_done -= runtime->buffer_size * stride; } else { /* usual PCM */ - copy_to_urb(subs, urb, stride, bytes); + copy_to_urb(subs, urb, 0, stride, bytes); } /* update delay with exact number of samples queued */