From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0B0851875 for ; Wed, 28 Dec 2022 15:54:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7F4D8C433EF; Wed, 28 Dec 2022 15:54:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672242889; bh=EL0uAhSDzOTeYsadQ4iYaaTMTV8NMv9SkkCvDaWXLL0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lhYwxupCj+u/Ee7iyv6nbPLbFqKZgYXnSlvcD+3IkGPZvFTuIF6rpf2s9c61dmBL8 0qOjYbGm1EyXpXSsE3GlWznRHAdn+Bwl1eFsm2xqHhEK+W1SGPhFLx20GXeVKQkJ57 pphs3g6cP8JvXDuz2+Nm+GdxiGl7YG/F/LIvDcho= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Takashi Iwai , Sasha Levin Subject: [PATCH 6.0 0466/1073] ALSA: pcm: Set missing stop_operating flag at undoing trigger start Date: Wed, 28 Dec 2022 15:34:14 +0100 Message-Id: <20221228144340.693564842@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144328.162723588@linuxfoundation.org> References: <20221228144328.162723588@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Takashi Iwai [ Upstream commit 5c8cc93b06d1ff860327a273abf3ac006290d242 ] When a PCM trigger-start fails at snd_pcm_do_start(), PCM core tries to undo the action at snd_pcm_undo_start() by issuing the trigger STOP manually. At that point, we forgot to set the stop_operating flag, hence the sync-stop won't be issued at the next prepare or other calls. This patch adds the missing stop_operating flag at snd_pcm_undo_start(). Fixes: 1e850beea278 ("ALSA: pcm: Add the support for sync-stop operation") Link: https://lore.kernel.org/r/b4e71631-4a94-613-27b2-fb595792630@carlh.net Link: https://lore.kernel.org/r/20221205132124.11585-2-tiwai@suse.de Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/core/pcm_native.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index ad0541e9e888..ac985cec5c16 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1432,8 +1432,10 @@ static int snd_pcm_do_start(struct snd_pcm_substream *substream, static void snd_pcm_undo_start(struct snd_pcm_substream *substream, snd_pcm_state_t state) { - if (substream->runtime->trigger_master == substream) + if (substream->runtime->trigger_master == substream) { substream->ops->trigger(substream, SNDRV_PCM_TRIGGER_STOP); + substream->runtime->stop_operating = true; + } } static void snd_pcm_post_start(struct snd_pcm_substream *substream, -- 2.35.1