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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>
This commit is contained in:
Srinivas Kandagatla 2020-07-27 10:38:03 +01:00 committed by Mark Brown
parent 983b8864f6
commit 135bd5ea19
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GPG Key ID: 24D68B725D5487D0
1 changed files with 26 additions and 0 deletions
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26
sound/soc/qcom/qdsp6/q6asm-dai.c
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@ -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,