From patchwork Fri Aug 29 04:40:44 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Sakamoto X-Patchwork-Id: 4812971 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 [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1A3ED9F2A9 for ; Fri, 29 Aug 2014 23:54:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4BBD020127 for ; Fri, 29 Aug 2014 23:54:43 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 78ABF2011D for ; Fri, 29 Aug 2014 23:54:40 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 66ACA2654E0; Sat, 30 Aug 2014 01:54:39 +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 EF716265567; Fri, 29 Aug 2014 21:57:02 +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 56E3C265567; Fri, 29 Aug 2014 21:57:01 +0200 (CEST) Received: from smtp301.phy.lolipop.jp (smtp301.phy.lolipop.jp [210.157.22.84]) by alsa0.perex.cz (Postfix) with ESMTP id 24EFF266705 for ; Fri, 29 Aug 2014 06:40:59 +0200 (CEST) Received: from smtp301.phy.lolipop.lan (HELO smtp301.phy.lolipop.jp) (172.17.1.84) (smtp-auth username m12129643-o-takashi, mechanism plain) by smtp301.phy.lolipop.jp (qpsmtpd/0.82) with ESMTPA; Fri, 29 Aug 2014 13:40:57 +0900 Received: from 127.0.0.1 (127.0.0.1) by smtp301.phy.lolipop.jp (LOLIPOP-Fsecure); Fri, 29 Aug 2014 13:40:47 +0900 (JST) X-Virus-Status: clean(LOLIPOP-Fsecure) From: Takashi Sakamoto To: clemens@ladisch.de, tiwai@suse.de, perex@perex.cz Date: Fri, 29 Aug 2014 13:40:44 +0900 Message-Id: <1409287245-15184-2-git-send-email-o-takashi@sakamocchi.jp> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1409287245-15184-1-git-send-email-o-takashi@sakamocchi.jp> References: <1409287245-15184-1-git-send-email-o-takashi@sakamocchi.jp> Cc: drobbins@funtoo.org, alsa-devel@alsa-project.org, ffado-devel@lists.sourceforge.net Subject: [alsa-devel] [PATCH 1/2] ALSA: dice: fix wrong channel mappping at higher sampling rate 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 The channel mapping is initialized by amdtp_stream_set_parameters(), however Dice driver set it before calling this function. Furthermore, the setting is wrong because the index is the value of array, and vice versa. This commit moves codes for channel mapping after the function and set it correctly. Reported-by: Daniel Robbins Fixes: 10550bea44a8 ("ALSA: dice/firewire-lib: Keep dualwire mode but obsolete CIP_HI_DUALWIRE") Signed-off-by: Takashi Sakamoto --- sound/firewire/dice.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/sound/firewire/dice.c b/sound/firewire/dice.c index a9a30c0..4cf8eb7 100644 --- a/sound/firewire/dice.c +++ b/sound/firewire/dice.c @@ -579,11 +579,6 @@ static int dice_hw_params(struct snd_pcm_substream *substream, return err; } - for (i = 0; i < channels; i++) { - dice->stream.pcm_positions[i * 2] = i; - dice->stream.pcm_positions[i * 2 + 1] = i + channels; - } - rate /= 2; channels *= 2; } @@ -591,6 +586,15 @@ static int dice_hw_params(struct snd_pcm_substream *substream, mode = rate_index_to_mode(rate_index); amdtp_stream_set_parameters(&dice->stream, rate, channels, dice->rx_midi_ports[mode]); + if (rate_index > 4) { + channels /= 2; + + for (i = 0; i < channels; i++) { + dice->stream.pcm_positions[i] = i * 2; + dice->stream.pcm_positions[i + channels] = i * 2 + 1; + } + } + amdtp_stream_set_pcm_format(&dice->stream, params_format(hw_params));