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authorSrinivas Kandagatla <srinivas.kandagatla@linaro.org>2020-07-27 10:38:03 +0100
committerMark Brown <broonie@kernel.org>2020-08-17 18:29:36 +0100
commit135bd5ea190f3e31d2289da98a53d28e1be5b6bf (patch)
tree296f58fd0391fe0d2f2f279066c09cd2badb80b2 /sound/soc/qcom
parent983b8864f6033336e619a5936a02aea3026c5742 (diff)
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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> Tested-by: Vinod Koul <vkoul@kernel.org> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Vinod Koul <vkoul@kernel.org> Link: https://lore.kernel.org/r/20200727093806.17089-8-srinivas.kandagatla@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/qcom')
-rw-r--r--sound/soc/qcom/qdsp6/q6asm-dai.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/sound/soc/qcom/qdsp6/q6asm-dai.c b/sound/soc/qcom/qdsp6/q6asm-dai.c
index 88e8452c1999..4bd5f57bd1a7 100644
--- a/sound/soc/qcom/qdsp6/q6asm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6asm-dai.c
@@ -67,6 +67,8 @@ 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 {
@@ -865,6 +867,29 @@ static int q6asm_dai_compr_set_params(struct snd_soc_component *component,
return 0;
}
+static int q6asm_dai_compr_set_metadata(struct snd_soc_component *component,
+ 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)
{
@@ -981,6 +1006,7 @@ 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,