linux-next/sound/soc/sof/ipc3-pcm.c
Ranjani Sridharan 4123c24bd1
ASoC: SOF: Introduce IPC3 PCM hw_free op
Add the IPC3 PCM ops, define the hw_free op and modify all users to use
the op.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20220317175044.1752400-14-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-03-18 16:04:47 +00:00

44 lines
1.2 KiB
C

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2021 Intel Corporation. All rights reserved.
//
//
#include <sound/pcm_params.h>
#include "ipc3-ops.h"
#include "ops.h"
#include "sof-priv.h"
#include "sof-audio.h"
static int sof_ipc3_pcm_hw_free(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct sof_ipc_stream stream;
struct sof_ipc_reply reply;
struct snd_sof_pcm *spcm;
spcm = snd_sof_find_spcm_dai(component, rtd);
if (!spcm)
return -EINVAL;
if (!spcm->prepared[substream->stream])
return 0;
stream.hdr.size = sizeof(stream);
stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_FREE;
stream.comp_id = spcm->stream[substream->stream].comp_id;
/* send IPC to the DSP */
return sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream,
sizeof(stream), &reply, sizeof(reply));
}
const struct sof_ipc_pcm_ops ipc3_pcm_ops = {
.hw_free = sof_ipc3_pcm_hw_free,
};