From patchwork Tue Jun 23 19:58:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 223411 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=-10.0 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 46F06C433E1 for ; Tue, 23 Jun 2020 20:41:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D8B721531 for ; Tue, 23 Jun 2020 20:41:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592944870; bh=AxQxGpQ4bhVWWhI0AuJDy3iM5k0vEENYCNzQUIjJYEI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=HKt4XeGlka0mqzP8460EG1AhMpNnjE8P1NYeDou2X/QPgjp+O7Liytp1P4bSCwKO6 ofFYoqs41JHJX8xhZaNExCkB0bZMK4IHDO7LvmAe3J2rjYrD3O5Bd1ktFCBi7sh9zQ c6coWHEoDqzSzVUjtbkmSrrGf0WGTlDBdTkKDcAI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392171AbgFWUlI (ORCPT ); Tue, 23 Jun 2020 16:41:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:37398 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392152AbgFWUlE (ORCPT ); Tue, 23 Jun 2020 16:41:04 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6EFF020702; Tue, 23 Jun 2020 20:41:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592944863; bh=AxQxGpQ4bhVWWhI0AuJDy3iM5k0vEENYCNzQUIjJYEI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fw4XcDmacv2ua3mJprbH5paUfOPPBNZ9wH95PGveoedjMXuzIk0AvFEgFdPhJIyHg imHIrax0hE0uE6BgdfNB4AeIOlg/dcaSmmN3Sb3pDdUFlNx0bmfty+CvRKVPqu0aFZ eHqBl30Gi/i30CLlP3/h7ISTM1V9qCwr0A/utC+w= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Daniel Baluta , Bard Liao , Pierre-Louis Bossart , Guennadi Liakhovetski , Daniel Baluta , Mark Brown , Sasha Levin Subject: [PATCH 4.19 154/206] ASoC: core: only convert non DPCM link to DPCM link Date: Tue, 23 Jun 2020 21:58:02 +0200 Message-Id: <20200623195324.570333670@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200623195316.864547658@linuxfoundation.org> References: <20200623195316.864547658@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Bard Liao [ Upstream commit 607fa205a7e4dfad28b8a67ab1c985756ddbccb0 ] Additional checks for valid DAIs expose a corner case, where existing BE dailinks get modified, e.g. HDMI links are tagged with dpcm_capture=1 even if the DAIs are for playback. This patch makes those changes conditional and flags configuration issues when a BE dailink is has no_pcm=0 but dpcm_playback or dpcm_capture=1 (which makes no sense). As discussed on the alsa-devel mailing list, there are redundant flags for dpcm_playback, dpcm_capture, playback_only, capture_only. This will have to be cleaned-up in a future update. For now only correct and flag problematic configurations. Fixes: 218fe9b7ec7f3 ("ASoC: soc-core: Set dpcm_playback / dpcm_capture") Suggested-by: Daniel Baluta Signed-off-by: Bard Liao Signed-off-by: Pierre-Louis Bossart Reviewed-by: Guennadi Liakhovetski Reviewed-by: Daniel Baluta Reviewed-by: Bard Liao Link: https://lore.kernel.org/r/20200608194415.4663-3-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/soc-core.c | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index e45dfcb62b6af..595fe20bbc6d3 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1920,9 +1920,25 @@ static void soc_check_tplg_fes(struct snd_soc_card *card) dai_link->platform_name = component->name; /* convert non BE into BE */ - dai_link->no_pcm = 1; - dai_link->dpcm_playback = 1; - dai_link->dpcm_capture = 1; + if (!dai_link->no_pcm) { + dai_link->no_pcm = 1; + + if (dai_link->dpcm_playback) + dev_warn(card->dev, + "invalid configuration, dailink %s has flags no_pcm=0 and dpcm_playback=1\n", + dai_link->name); + if (dai_link->dpcm_capture) + dev_warn(card->dev, + "invalid configuration, dailink %s has flags no_pcm=0 and dpcm_capture=1\n", + dai_link->name); + + /* convert normal link into DPCM one */ + if (!(dai_link->dpcm_playback || + dai_link->dpcm_capture)) { + dai_link->dpcm_playback = !dai_link->capture_only; + dai_link->dpcm_capture = !dai_link->playback_only; + } + } /* override any BE fixups */ dai_link->be_hw_params_fixup =