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authorSrinivas Kandagatla <srinivas.kandagatla@linaro.org>2020-06-04 16:24:16 +0100
committerVinod Koul <vkoul@kernel.org>2020-07-13 09:45:44 +0530
commitcd20553b37f364adcb772c9a4052f8b99226456b (patch)
treef562d45691016c3365eaf25d170b00ea27a7d301
parent10ea04bb5de84a6a3f547c1dc7d81c7e802237c9 (diff)
downloadkernel-cd20553b37f364adcb772c9a4052f8b99226456b.tar.gz
ASoC: q6asm-dai: add next track metadata support
This patch adds support to metadata required to do a gapless playback. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
-rw-r--r--sound/soc/qcom/qdsp6/q6asm-dai.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/sound/soc/qcom/qdsp6/q6asm-dai.c b/sound/soc/qcom/qdsp6/q6asm-dai.c
index d669bc2bf64f..eb45517d0fd3 100644
--- a/sound/soc/qcom/qdsp6/q6asm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6asm-dai.c
@@ -71,6 +71,8 @@ struct q6asm_dai_rtd {
uint32_t stream_id;
uint16_t session_id;
enum stream_state state;
+ uint32_t initial_samples_drop;
+ uint32_t trailing_samples_drop;
};
struct q6asm_dai_data {
@@ -867,6 +869,28 @@ static int q6asm_dai_compr_set_params(struct snd_soc_component *component,
return 0;
}
+static int q6asm_dai_compr_set_metadata(struct snd_compr_stream *stream,
+ struct snd_compr_metadata *metadata)
+{
+ struct snd_compr_runtime *runtime = stream->runtime;
+ struct q6asm_dai_rtd *prtd = runtime->private_data;
+ int ret = 0;
+
+ switch (metadata->key) {
+ case SNDRV_COMPRESS_ENCODER_PADDING:
+ prtd->trailing_samples_drop = metadata->value[0];
+ break;
+ case SNDRV_COMPRESS_ENCODER_DELAY:
+ prtd->initial_samples_drop = metadata->value[0];
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
static int q6asm_dai_compr_trigger(struct snd_soc_component *component,
struct snd_compr_stream *stream, int cmd)
{
@@ -983,6 +1007,7 @@ 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_metadata = q6asm_dai_compr_set_metadata,
.pointer = q6asm_dai_compr_pointer,
.trigger = q6asm_dai_compr_trigger,
.get_caps = q6asm_dai_compr_get_caps,