From patchwork Mon May 13 11:48:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hui Wang X-Patchwork-Id: 1098822 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 452fGf63Kkz9sBb; Mon, 13 May 2019 21:48:40 +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 1hQ9RY-0001Rn-LI; Mon, 13 May 2019 11:48:32 +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 1hQ9RW-0001Rg-W6 for kernel-team@lists.ubuntu.com; Mon, 13 May 2019 11:48:30 +0000 Received: from [123.112.111.159] (helo=localhost.localdomain) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1hQ9RV-0001wo-RJ for kernel-team@lists.ubuntu.com; Mon, 13 May 2019 11:48:30 +0000 From: Hui Wang To: kernel-team@lists.ubuntu.com Subject: [SRU][B/OEM-B/C/D][PATCH 0/2] Eletrical noise occurred when external headset enter powersaving mode on a DEll machine Date: Mon, 13 May 2019 19:48:09 +0800 Message-Id: <20190513114814.14838-1-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: https://bugs.launchpad.net/bugs/1828798 [Impact] Eletrical noise occurred when external headset enter powersaving mode (around 7 seconds) [Fix] Don't clear pinctl when runtime suspend. [Test Case] Plug headset and wait for the codec to enter runtime suspend, there is no any noise from headphone. [Regression Risk] Low. the 1st patch is specific to a Dell machine and the 2nd patch is specific to the machine with the codec alc298 Kailang Yang (1): ALSA: hda/realtek - Fixup headphone noise via runtime suspend Takashi Iwai (1): ALSA: hda/realtek - Reduce click noise on Dell Precision 5820 headphone sound/pci/hda/patch_realtek.c | 107 ++++++++++++++++++++-------------- 1 file changed, 64 insertions(+), 43 deletions(-) Acked-By: AceLan Kao Acked-by: Stefan Bader