From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3DE3C3B1B1 for ; Fri, 14 Feb 2020 17:58:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A5B7F20873 for ; Fri, 14 Feb 2020 17:58:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581703116; bh=i0ttOQxN0z0/Ta+VR+Huvh00r/qVH5VVQyPCyChB4BE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=r8mtasB0W2FobIrYvizrCQPhRoOvFL7pG85H8r/rhIbeJbAQJ5Q0kpE6HoFT3WjPM EZd+ft0vCVaO4agvPwBj5VmDhaxhyxtZYaIaHjj+iHW6dkRPc5PNcu1fnNYRAYtn5w iES+BSjYQ4R/hOpOBOsb1nt5Sz7BAesudjsL28DY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388153AbgBNP5I (ORCPT ); Fri, 14 Feb 2020 10:57:08 -0500 Received: from mail.kernel.org ([198.145.29.99]:39572 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388139AbgBNP5I (ORCPT ); Fri, 14 Feb 2020 10:57:08 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F1BF924676; Fri, 14 Feb 2020 15:57:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581695827; bh=i0ttOQxN0z0/Ta+VR+Huvh00r/qVH5VVQyPCyChB4BE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a0wvQ0IoQiPDNLGyHnUrjmE9VSi8XF9lj1T9PaTYnfuUFHkn83EvY7ujPJzu64agf Rx3jiKw4QSkuiRz1MuCertAsswJbk68KLLxz9vJ3Y5E4elq/l4rCD2E5nCbPbDiHNo oYNA5zwwO5BC0CBTg3d1B/Gnlcicn9zeN6HK7F78= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alexander Tsoy , Takashi Iwai , Sasha Levin , alsa-devel@alsa-project.org Subject: [PATCH AUTOSEL 5.5 381/542] ALSA: usb-audio: add implicit fb quirk for MOTU M Series Date: Fri, 14 Feb 2020 10:46:13 -0500 Message-Id: <20200214154854.6746-381-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214154854.6746-1-sashal@kernel.org> References: <20200214154854.6746-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Alexander Tsoy [ Upstream commit c249177944b650816069f6c49b769baaa94339dc ] This fixes crackling sound during playback. Further note: MOTU is known for reusing Product IDs for different devices or different generations of the device (e.g. MicroBook I/II/IIc shares a single Product ID). This patch was only tested with M4 audio interface, but the same Product ID is also used by M2. Hope it will work for M2 as well. Signed-off-by: Alexander Tsoy Link: https://lore.kernel.org/r/20200115151358.56672-1-alexander@tsoy.me Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/usb/pcm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 0e4eab96e23e0..c9e1609296dff 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -348,6 +348,10 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs, ep = 0x84; ifnum = 0; goto add_sync_ep_from_ifnum; + case USB_ID(0x07fd, 0x0008): /* MOTU M Series */ + ep = 0x81; + ifnum = 2; + goto add_sync_ep_from_ifnum; case USB_ID(0x0582, 0x01d8): /* BOSS Katana */ /* BOSS Katana amplifiers do not need quirks */ return 0; -- 2.20.1