From patchwork Thu Jul 7 12:41:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cezary Rojewski X-Patchwork-Id: 588141 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9000AC43334 for ; Thu, 7 Jul 2022 12:35:50 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id BC6E515CA; Thu, 7 Jul 2022 14:34:58 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz BC6E515CA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1657197348; bh=FcS/5pO861udjUryGuB3jacwCNWcBYXzpZo9rEa6svc=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=OFukVafDiMFiv8a7Lyes+nFAMgPN+e2rB6r759E6OqIN3JKREQJDs3wTuTcMlqJKS rWTCPsetfq7+ZmzGRpcFQMqsbfk/nmeu4RsK88y5d3fgUXvlIVt0oAnnwGC/qggU3j WxHUnaEbX1nIZ0fJq/Uj/Re1SVp/GiR2nzn9Bhdk= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 453F3F8028D; Thu, 7 Jul 2022 14:32:58 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 16A06F80589; Thu, 7 Jul 2022 14:32:57 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 105DDF8052E for ; Thu, 7 Jul 2022 14:32:00 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 105DDF8052E Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Ath5xWYM" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1657197122; x=1688733122; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=FcS/5pO861udjUryGuB3jacwCNWcBYXzpZo9rEa6svc=; b=Ath5xWYMkx8hxUdbHizHG65q535gRn5mLv5iVdE5jxH3HG/wXD4cBZlR mBKB7BFiRN7Pwd9ojxVla3rkNV5q/QiCXafC8pkkxAUeKlZywzl3auvdY MnU++nUnTbw91Y2oymCIkcU2nvAPUV97cIreD83b0SyvdZsIcR1m9Pjja M/B3fGlrgbLoWZCDs4McgYhjN3qTkm+nxL3jIspthpc+6hg0f5rk40eCF Pz2o+yy0lucqSQmZPKeBHwWJS8rV3EN4wrm/+mnJmuEYauntB8LmTeQRa qCNHZU/Lz+TyBjP9fmzlFjOlfv8VdowdCi7Wzby/bXB0YguzdXkgwy9AZ Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10400"; a="272805920" X-IronPort-AV: E=Sophos;i="5.92,252,1650956400"; d="scan'208";a="272805920" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jul 2022 05:32:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,252,1650956400"; d="scan'208";a="593720618" Received: from crojewsk-ctrl.igk.intel.com ([10.102.9.28]) by orsmga002.jf.intel.com with ESMTP; 07 Jul 2022 05:31:58 -0700 From: Cezary Rojewski To: alsa-devel@alsa-project.org, broonie@kernel.org Subject: [PATCH 06/12] ASoC: Intel: avs: Block IPC channel on suspend Date: Thu, 7 Jul 2022 14:41:47 +0200 Message-Id: <20220707124153.1858249-7-cezary.rojewski@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220707124153.1858249-1-cezary.rojewski@intel.com> References: <20220707124153.1858249-1-cezary.rojewski@intel.com> MIME-Version: 1.0 Cc: Cezary Rojewski , pierre-louis.bossart@linux.intel.com, tiwai@suse.com, hdegoede@redhat.com, amadeuszx.slawinski@linux.intel.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" To allow for driver's filesystem interfaces e.g.: debugfs, to be touched even when the device is asleep, mark IPC-channel as blocked when the device is suspended. This causes any invocation of said interfaces that do not toggle PM themselves to gracefully fail with "Operation not permitted" message. Signed-off-by: Cezary Rojewski --- sound/soc/intel/avs/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/intel/avs/core.c b/sound/soc/intel/avs/core.c index 664f87c33e9d..4234adeb3d1c 100644 --- a/sound/soc/intel/avs/core.c +++ b/sound/soc/intel/avs/core.c @@ -556,6 +556,7 @@ static int __maybe_unused avs_suspend_common(struct avs_dev *adev) return AVS_IPC_RET(ret); } + avs_ipc_block(adev->ipc); avs_dsp_op(adev, int_control, false); snd_hdac_ext_bus_ppcap_int_enable(bus, false);