Unverified Commit 135bd5ea authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Mark Brown
Browse files

ASoC: q6asm-dai: add next track metadata support 



This patch adds support to metadata required to do a gapless playback.

Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: default avatarVinod Koul <vkoul@kernel.org>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: default avatarVinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20200727093806.17089-8-srinivas.kandagatla@linaro.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 983b8864

sound/soc/qcom/qdsp6/q6asm-dai.c

+26 −0
Original line number Diff line number Diff line
@@ -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,