@@ -412,8 +412,9 @@ static int sof_ipc4_widget_setup_pcm(struct snd_sof_widget *swidget)
struct sof_ipc4_available_audio_format *available_fmt;
struct snd_soc_component *scomp = swidget->scomp;
struct sof_ipc4_copier *ipc4_copier;
+ struct snd_sof_pcm *spcm;
int node_type = 0;
- int ret;
+ int ret, dir;
ipc4_copier = kzalloc(sizeof(*ipc4_copier), GFP_KERNEL);
if (!ipc4_copier)
@@ -447,6 +448,25 @@ static int sof_ipc4_widget_setup_pcm(struct snd_sof_widget *swidget)
}
dev_dbg(scomp->dev, "host copier '%s' node_type %u\n", swidget->widget->name, node_type);
+ spcm = snd_sof_find_spcm_comp(scomp, swidget->comp_id, &dir);
+ if (!spcm)
+ goto skip_gtw_cfg;
+
+ if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
+ struct snd_sof_pcm_stream *sps = &spcm->stream[dir];
+
+ sof_update_ipc_object(scomp, &sps->dsp_max_burst_size_in_ms,
+ SOF_COPIER_DEEP_BUFFER_TOKENS,
+ swidget->tuples,
+ swidget->num_tuples, sizeof(u32), 1);
+ /* Set default DMA buffer size if it is not specified in topology */
+ if (!sps->dsp_max_burst_size_in_ms)
+ sps->dsp_max_burst_size_in_ms = SOF_IPC4_MIN_DMA_BUFFER_SIZE;
+ } else {
+ /* Capture data is copied from DSP to host in 1ms bursts */
+ spcm->stream[dir].dsp_max_burst_size_in_ms = 1;
+ }
+
skip_gtw_cfg:
ipc4_copier->gtw_attr = kzalloc(sizeof(*ipc4_copier->gtw_attr), GFP_KERNEL);
if (!ipc4_copier->gtw_attr) {