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=-13.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 0747FC43461 for ; Mon, 7 Sep 2020 16:37:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C3900221EC for ; Mon, 7 Sep 2020 16:37:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599496631; bh=MCpL6LB8MUB026Zf8apGOuhcoKAPd/ZbuWwOu9lqhaA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kdpmYJ96+pSKIS8+zHUhalKKxDCC1KNtNiSX9w5HnKHqJS1xz1obhJsQhJCQqShMf SsawK3uUEr6RrZ3fIBw6ZUXdicTQwD7FdKd4fPQMcll/AdFExH5kPmIRXqeRtWG+Km zEY1a3jSmGns3qMOZGlKJkpMfogNsH9j68IuW3nE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730652AbgIGQhK (ORCPT ); Mon, 7 Sep 2020 12:37:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:47182 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730698AbgIGQdm (ORCPT ); Mon, 7 Sep 2020 12:33:42 -0400 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 C5E4B21775; Mon, 7 Sep 2020 16:33:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599496421; bh=MCpL6LB8MUB026Zf8apGOuhcoKAPd/ZbuWwOu9lqhaA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rsr8nJSIb17YoHf/31lr9FfQf9QK7kjeXaSv83if5t6+Zodp3OIdownI1wALBM1H/ 7sBK7rhW9iiC9vOZQi+BHgdHl4Ob+S85elSMpcFhLvGUj1Kz4uCQUy52Ao9nvUYPg2 iSfblXKcc6EoFklzK25BUVA8EFVw8h0UjGuYGGOA= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Mohan Kumar , Sameer Pujar , Takashi Iwai , Sasha Levin , alsa-devel@alsa-project.org, linux-tegra@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 09/43] ALSA: hda/tegra: Program WAKEEN register for Tegra Date: Mon, 7 Sep 2020 12:32:55 -0400 Message-Id: <20200907163329.1280888-9-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200907163329.1280888-1-sashal@kernel.org> References: <20200907163329.1280888-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mohan Kumar [ Upstream commit 23d63a31d9f44d7daeac0d1fb65c6a73c70e5216 ] The WAKEEN bits are used to indicate which bits in the STATESTS register may cause wake event during the codec state change request. Configure the WAKEEN register for the Tegra to detect the wake events. Signed-off-by: Mohan Kumar Acked-by: Sameer Pujar Link: https://lore.kernel.org/r/20200825052415.20626-3-mkumard@nvidia.com Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/pci/hda/hda_tegra.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c index e5191584638ab..e378cb33c69df 100644 --- a/sound/pci/hda/hda_tegra.c +++ b/sound/pci/hda/hda_tegra.c @@ -169,6 +169,10 @@ static int __maybe_unused hda_tegra_runtime_suspend(struct device *dev) struct hdac_bus *bus = azx_bus(chip); if (chip && chip->running) { + /* enable controller wake up event */ + azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) | + STATESTS_INT_MASK); + azx_stop_chip(chip); synchronize_irq(bus->irq); azx_enter_link_reset(chip); @@ -191,6 +195,9 @@ static int __maybe_unused hda_tegra_runtime_resume(struct device *dev) if (chip && chip->running) { hda_tegra_init(hda); azx_init_chip(chip, 1); + /* disable controller wake up event*/ + azx_writew(chip, WAKEEN, azx_readw(chip, WAKEEN) & + ~STATESTS_INT_MASK); } return 0; -- 2.25.1