From patchwork Mon Jul 29 09:25:12 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hui Wang X-Patchwork-Id: 1138260 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=canonical.com Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45xvRt23PPz9sN4; Mon, 29 Jul 2019 19:25:30 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1hs1uG-0002ju-Ll; Mon, 29 Jul 2019 09:25:24 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.86_2) (envelope-from ) id 1hs1uF-0002jo-R3 for kernel-team@lists.ubuntu.com; Mon, 29 Jul 2019 09:25:23 +0000 Received: from [125.35.49.90] (helo=localhost.localdomain) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1hs1uE-0000Ky-R5 for kernel-team@lists.ubuntu.com; Mon, 29 Jul 2019 09:25:23 +0000 From: Hui Wang To: kernel-team@lists.ubuntu.com Subject: [SRU][OEM-OSP1-B][PATCH 0/1] alsa/hdmi: the sound is distorted when playing via nvidia hdmi Date: Mon, 29 Jul 2019 17:25:12 +0800 Message-Id: <20190729092513.11193-1-hui.wang@canonical.com> X-Mailer: git-send-email 2.17.1 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" BugLink: http://bugs.launchpad.net/bugs/1838243 [Impact] When playing back the sound via nv hdmi, the sound is distorted, that is because the osp1-b kernel backported the patch 9b6f7e7a296e17990aae298c809b001e99ddd151 ALSA: hda: program stripe bits for controller, but we didn't backport a follow-up patch 053b055948e97268771de11f2ab9b2aa1640b68d ALSA: hda: program stripe control for codec [Fix] backport the missing patch 053b055948e97268771de11f2ab9b2aa1640b68d ALSA: hda: program stripe control for codec [Test Case] set the machine to performance mode, boot up, plug the hdmi cable, and choose nv hdmi as the output device, play sound, the sound is normal [Regression Risk] Low. It is specific to the codec with stripe capability (nv hdmi codec). Sameer Pujar (1): ALSA: hda: program stripe control for codec sound/pci/hda/patch_hdmi.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) Acked-By: AceLan Kao