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Sdw rework #3

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Sdw rework #3

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343e424
ASoC: codec: rt700: Add prepare support in rt700
RanderWang Aug 13, 2019
835b6a8
ASoC: SOF: sdw: revert change for sdw dai in sof driver
RanderWang Aug 13, 2019
7c0809b
soundwire: intel: add more features for sdw dai driver
RanderWang Aug 13, 2019
847e2a0
ASoC: SOF: sdw: add a callback function to free resource in FW
RanderWang Aug 13, 2019
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28 changes: 28 additions & 0 deletions sound/soc/sof/intel/hda.c
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Original file line number Diff line number Diff line change
Expand Up @@ -81,8 +81,36 @@ static int sdw_config_stream(void *arg, void *s, void *dai,
return ret;
}

static int sdw_free_stream(void *arg, void *s, void *dai)
{
struct snd_sof_dev *sdev = arg;
struct sof_ipc_dai_config config;
struct sof_ipc_reply reply;
int size = sizeof(config);
int ret;

memset(&config, 0, size);
config.hdr.size = size;
config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
config.type = SOF_DAI_INTEL_ALH;
config.dai_index = 0; /* FIXME: make this dynamic */
config.alh.stream_id = 0xFFFFFFFF;

/* send message to DSP */
ret = sof_ipc_tx_message(sdev->ipc,
config.hdr.cmd, &config, size, &reply,
sizeof(reply));
if (ret < 0) {
dev_err(sdev->dev, "error: failed to set DAI hw_free for ALH %d\n",
config.dai_index);
}

return ret;
}

static const struct sdw_intel_ops sdw_callback = {
.config_stream = sdw_config_stream,
.free_stream = sdw_free_stream,
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@RanderWang where will this get called? Would it be in the hw_free dai op

};

static int hda_sdw_init(struct snd_sof_dev *sdev)
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