@@ -1006,6 +1006,9 @@ struct snd_soc_dai_link {
unsigned int dpcm_capture:1;
unsigned int dpcm_playback:1;
+ /* DPCM used FE & BE merged format */
+ unsigned int dpcm_merged_format:1;
+
/* pmdown_time is ignored at stop */
unsigned int ignore_pmdown_time:1;
};
@@ -1485,30 +1485,67 @@ unwind:
}
static void dpcm_init_runtime_hw(struct snd_pcm_runtime *runtime,
- struct snd_soc_pcm_stream *stream)
+ struct snd_soc_pcm_stream *stream,
+ u64 formats)
{
runtime->hw.rate_min = stream->rate_min;
runtime->hw.rate_max = stream->rate_max;
runtime->hw.channels_min = stream->channels_min;
runtime->hw.channels_max = stream->channels_max;
if (runtime->hw.formats)
- runtime->hw.formats &= stream->formats;
+ runtime->hw.formats &= formats & stream->formats;
else
- runtime->hw.formats = stream->formats;
+ runtime->hw.formats = formats & stream->formats;
runtime->hw.rates = stream->rates;
}
+static u64 dpcm_runtime_base_format(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *fe = substream->private_data;
+ struct snd_soc_dpcm *dpcm;
+ u64 formats = ULLONG_MAX;
+ int stream = substream->stream;
+
+ if (!fe->dai_link->dpcm_merged_format)
+ return formats;
+
+ /*
+ * It returns merged BE codec format
+ * if FE want to use it (= dpcm_merged_format)
+ */
+
+ list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) {
+ struct snd_soc_pcm_runtime *be = dpcm->be;
+ struct snd_soc_dai_driver *codec_dai_drv;
+ struct snd_soc_pcm_stream *codec_stream;
+ int i;
+
+ for (i = 0; i < be->num_codecs; i++) {
+ codec_dai_drv = be->codec_dais[i]->driver;
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ codec_stream = &codec_dai_drv->playback;
+ else
+ codec_stream = &codec_dai_drv->capture;
+
+ formats &= codec_stream->formats;
+ }
+ }
+
+ return formats;
+}
+
static void dpcm_set_fe_runtime(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver;
+ u64 format = dpcm_runtime_base_format(substream);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- dpcm_init_runtime_hw(runtime, &cpu_dai_drv->playback);
+ dpcm_init_runtime_hw(runtime, &cpu_dai_drv->playback, format);
else
- dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture);
+ dpcm_init_runtime_hw(runtime, &cpu_dai_drv->capture, format);
}
static int dpcm_fe_dai_do_trigger(struct snd_pcm_substream *substream, int cmd);