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,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 0B5D8C433DF for ; Thu, 25 Jun 2020 15:47:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D702E2088E for ; Thu, 25 Jun 2020 15:47:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593100044; bh=IgCDJ/4NXHUUIMvtdNOkk30i4IMtWPYAHp9uh6q/7II=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=gfTMEuGEnCmNmST9E0xDVtBh0qVoNbx7hZRcLoTIaJI5/57UZHpb7FpNDN49kDOLR gZBWRvbmNLqC+SG5IEiWDilf6eFTpmK9u6ruqmBLYFB3LwupQEOLO1/MlWnTc/3br6 JbwxkfjfVyH3S76u7NBU7dIB3VdqIVWCG68AWD8Q= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406065AbgFYPrX (ORCPT ); Thu, 25 Jun 2020 11:47:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:44504 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406053AbgFYPrP (ORCPT ); Thu, 25 Jun 2020 11:47:15 -0400 Received: from localhost.localdomain (unknown [171.61.66.58]) (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 47BB520836; Thu, 25 Jun 2020 15:47:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593100034; bh=IgCDJ/4NXHUUIMvtdNOkk30i4IMtWPYAHp9uh6q/7II=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TtWCfzOyrAUT8ZVl5yyPzzbekoxnU/i2wT7XzsMfHFK/69iJnys9T9xcrJ9RJjcwW 2vV0hBG5e2qp0rfi9B24YzOQR96N2BFb6/BmFhRO0ku3Mw6KgtkBk/M3QnWwoacuV2 5XDtWW9mj542HRoiC5zD7dMIv/nF91cbiha2xxjk= From: Vinod Koul To: Takashi Iwai , Jaroslav Kysela Cc: Vinod Koul , Srinivas Kandagatla , Pierre-Louis Bossart , Charles Keepax , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 3/3] ALSA: compress: fix partial_drain completion state Date: Thu, 25 Jun 2020 21:16:51 +0530 Message-Id: <20200625154651.99758-4-vkoul@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200625154651.99758-1-vkoul@kernel.org> References: <20200625154651.99758-1-vkoul@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On partial_drain completion we should be in SNDRV_PCM_STATE_RUNNING state, so set that for partially draining streams in snd_compr_drain_notify() and use a flag for partially draining streams While at it, add locks for stream state change in snd_compr_drain_notify() as well. Fixes: f44f2a5417b2 ("ALSA: compress: fix drain calls blocking other compress functions (v6)") Reviewed-by: Srinivas Kandagatla Tested-by: Srinivas Kandagatla Signed-off-by: Vinod Koul --- include/sound/compress_driver.h | 12 +++++++++++- sound/core/compress_offload.c | 4 ++++ 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h index 3df8d8c90191..93a5897201ea 100644 --- a/include/sound/compress_driver.h +++ b/include/sound/compress_driver.h @@ -66,6 +66,7 @@ struct snd_compr_runtime { * @direction: stream direction, playback/recording * @metadata_set: metadata set flag, true when set * @next_track: has userspace signal next track transition, true when set + * @partial_drain: undergoing partial_drain for stream, true when set * @private_data: pointer to DSP private data * @dma_buffer: allocated buffer if any */ @@ -78,6 +79,7 @@ struct snd_compr_stream { enum snd_compr_direction direction; bool metadata_set; bool next_track; + bool partial_drain; void *private_data; struct snd_dma_buffer dma_buffer; }; @@ -187,7 +189,15 @@ static inline void snd_compr_drain_notify(struct snd_compr_stream *stream) if (snd_BUG_ON(!stream)) return; - stream->runtime->state = SNDRV_PCM_STATE_SETUP; + mutex_lock(&stream->device->lock); + /* for partial_drain case we are back to running state on success */ + if (stream->partial_drain) { + stream->runtime->state = SNDRV_PCM_STATE_RUNNING; + stream->partial_drain = false; /* clear this flag as well */ + } else { + stream->runtime->state = SNDRV_PCM_STATE_SETUP; + } + mutex_unlock(&stream->device->lock); wake_up(&stream->runtime->sleep); } diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index e618580feac4..1c4b2cf450a0 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -803,6 +803,9 @@ static int snd_compr_stop(struct snd_compr_stream *stream) retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_STOP); if (!retval) { + /* clear flags and stop any drain wait */ + stream->partial_drain = false; + stream->metadata_set = false; snd_compr_drain_notify(stream); stream->runtime->total_bytes_available = 0; stream->runtime->total_bytes_transferred = 0; @@ -960,6 +963,7 @@ static int snd_compr_partial_drain(struct snd_compr_stream *stream) if (stream->next_track == false) return -EPERM; + stream->partial_drain = true; retval = stream->ops->trigger(stream, SND_COMPR_TRIGGER_PARTIAL_DRAIN); if (retval) { pr_debug("Partial drain returned failure\n"); -- 2.26.2