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Subject[RFC PATCH v2 6/6] ASoC: q6asm-dai: add support to set_codec_params
Date
Make use of new set_codec_params callback to allow decoder switching
during gapless playback.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
sound/soc/qcom/qdsp6/q6asm-dai.c | 33 ++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)

diff --git a/sound/soc/qcom/qdsp6/q6asm-dai.c b/sound/soc/qcom/qdsp6/q6asm-dai.c
index b5c719682919..a8cfb1996614 100644
--- a/sound/soc/qcom/qdsp6/q6asm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6asm-dai.c
@@ -876,6 +876,37 @@ static int __q6asm_dai_compr_set_codec_params(struct snd_soc_component *componen
return 0;
}

+static int q6asm_dai_compr_set_codec_params(struct snd_soc_component *component,
+ struct snd_compr_stream *stream,
+ struct snd_codec *codec)
+{
+ struct snd_compr_runtime *runtime = stream->runtime;
+ struct q6asm_dai_rtd *prtd = runtime->private_data;
+ int ret;
+
+ ret = q6asm_open_write(prtd->audio_client, prtd->next_track_stream_id,
+ codec->id, codec->profile, prtd->bits_per_sample,
+ true);
+ if (ret < 0) {
+ pr_err("q6asm_open_write failed\n");
+ return ret;
+ }
+
+ ret = __q6asm_dai_compr_set_codec_params(component, stream, codec,
+ prtd->next_track_stream_id);
+ if (ret < 0) {
+ pr_err("q6asm_open_write failed\n");
+ return ret;
+ }
+
+ ret = q6asm_stream_remove_initial_silence(prtd->audio_client,
+ prtd->next_track_stream_id,
+ prtd->initial_samples_drop);
+ prtd->next_track_stream_id = 0;
+
+ return ret;
+}
+
static int q6asm_dai_compr_set_params(struct snd_soc_component *component,
struct snd_compr_stream *stream,
struct snd_compr_params *params)
@@ -1144,6 +1175,7 @@ static int q6asm_dai_compr_get_caps(struct snd_soc_component *component,
caps->max_fragment_size = COMPR_PLAYBACK_MAX_FRAGMENT_SIZE;
caps->min_fragments = COMPR_PLAYBACK_MIN_NUM_FRAGMENTS;
caps->max_fragments = COMPR_PLAYBACK_MAX_NUM_FRAGMENTS;
+ caps->flags = SND_COMPR_CAP_FLAGS_DSP_CAN_SWITCH_DECODER;
caps->num_codecs = 5;
caps->codecs[0] = SND_AUDIOCODEC_MP3;
caps->codecs[1] = SND_AUDIOCODEC_FLAC;
@@ -1173,6 +1205,7 @@ static struct snd_compress_ops q6asm_dai_compress_ops = {
.open = q6asm_dai_compr_open,
.free = q6asm_dai_compr_free,
.set_params = q6asm_dai_compr_set_params,
+ .set_codec_params = q6asm_dai_compr_set_codec_params,
.set_metadata = q6asm_dai_compr_set_metadata,
.pointer = q6asm_dai_compr_pointer,
.trigger = q6asm_dai_compr_trigger,
--
2.21.0
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