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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 858F7C2BBC7 for ; Sat, 11 Apr 2020 23:45:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5EEEC215A4 for ; Sat, 11 Apr 2020 23:45:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586648741; bh=joOxo1Zr/oT1gUdgtaRz8hThdw45IxDOqajylLDLVvs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=KHMhQgrbGEAKePyA4D4qN0oDdiOs+D+IqYNX2IyvkRvWl5/d++E+eD/gbo6frJ4GE lhSVVA13zbteR9kkptmlAs6AU8+S2cX2p5mXWEFJxb6A4Zo/V9IU0NK77ELHy6uGuS O5nv3AGS63SZu14Fiiyn4bBLcJcycvihjzCil1s8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728266AbgDKXpg (ORCPT ); Sat, 11 Apr 2020 19:45:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:39850 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727991AbgDKXFf (ORCPT ); Sat, 11 Apr 2020 19:05:35 -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 1025620708; Sat, 11 Apr 2020 23:05:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586646334; bh=joOxo1Zr/oT1gUdgtaRz8hThdw45IxDOqajylLDLVvs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lpPxBLcRiYtciYR/f4whJOwE9hUKJWaUi8A3jnNZTwlinDibZwhhJVzg28ODzr0hW 9LWkTtu5urhakrHVsNAgNW3PHkIiuPyX0vdRC7+qh/IZEOf+F7InwtQ9O1Q/EmNTmG FTgUDCID/OeGQ/Mi9daGHFGZrJA5Rwk5MiMCQ3wY= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Stephan Gerhold , Jerome Brunet , Sameer Pujar , Mark Brown , Sasha Levin , alsa-devel@alsa-project.org Subject: [PATCH AUTOSEL 5.6 086/149] ASoC: soc-pcm: fix regression in soc_new_pcm() Date: Sat, 11 Apr 2020 19:02:43 -0400 Message-Id: <20200411230347.22371-86-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200411230347.22371-1-sashal@kernel.org> References: <20200411230347.22371-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Stephan Gerhold [ Upstream commit a4877a6fb2bd2e356a5eaacd86d6b6d69ff84e69 ] Commit af4bac11531f ("ASoC: soc-pcm: crash in snd_soc_dapm_new_dai") swapped the SNDRV_PCM_STREAM_* parameter in the snd_soc_dai_stream_valid(cpu_dai, ...) checks. But that works only for codec2codec links. For normal links it breaks registration of playback/capture-only PCM devices. E.g. on qcom/apq8016_sbc there is usually one playback-only and one capture-only PCM device, but they disappeared after the commit. The codec2codec case was added in commit a342031cdd08 ("ASoC: create pcm for codec2codec links as well") as an extra check (e.g. `playback = playback && cpu_playback->channels_min`). We should be able to simplify the code by checking directly for the correct stream type in the loop. This also fixes the regression because we check for PLAYBACK for both codec and cpu dai again when codec2codec is not used. Fixes: af4bac11531f ("ASoC: soc-pcm: crash in snd_soc_dapm_new_dai") Signed-off-by: Stephan Gerhold Tested-by: Jerome Brunet Reviewed-by: Jerome Brunet Cc: Jerome Brunet Cc: Sameer Pujar Link: https://lore.kernel.org/r/20200218103824.26708-1-stephan@gerhold.net Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/soc-pcm.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 2c59b3688ca01..a08ebbf5a37f3 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -2888,22 +2888,19 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) capture = rtd->dai_link->dpcm_capture; } else { /* Adapt stream for codec2codec links */ - struct snd_soc_pcm_stream *cpu_capture = rtd->dai_link->params ? - &cpu_dai->driver->playback : &cpu_dai->driver->capture; - struct snd_soc_pcm_stream *cpu_playback = rtd->dai_link->params ? - &cpu_dai->driver->capture : &cpu_dai->driver->playback; + int cpu_capture = rtd->dai_link->params ? + SNDRV_PCM_STREAM_PLAYBACK : SNDRV_PCM_STREAM_CAPTURE; + int cpu_playback = rtd->dai_link->params ? + SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; for_each_rtd_codec_dai(rtd, i, codec_dai) { if (snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_PLAYBACK) && - snd_soc_dai_stream_valid(cpu_dai, SNDRV_PCM_STREAM_CAPTURE)) + snd_soc_dai_stream_valid(cpu_dai, cpu_playback)) playback = 1; if (snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_CAPTURE) && - snd_soc_dai_stream_valid(cpu_dai, SNDRV_PCM_STREAM_PLAYBACK)) + snd_soc_dai_stream_valid(cpu_dai, cpu_capture)) capture = 1; } - - capture = capture && cpu_capture->channels_min; - playback = playback && cpu_playback->channels_min; } if (rtd->dai_link->playback_only) { -- 2.20.1