diff options
Diffstat (limited to 'sound/soc/sof/ipc3-pcm.c')
-rw-r--r-- | sound/soc/sof/ipc3-pcm.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sound/soc/sof/ipc3-pcm.c b/sound/soc/sof/ipc3-pcm.c new file mode 100644 index 000000000000..96f498b4b2d6 --- /dev/null +++ b/sound/soc/sof/ipc3-pcm.c @@ -0,0 +1,43 @@ +// 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, +}; |