ASoC: q6asm: add support to gapless flag in q6asm open

This patch adds support to gapless flag to q6asm_open_write().

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/20200727093806.17089-7-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

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

@@ -255,7 +255,7 @@ static int q6asm_dai_prepare(struct snd_soc_component *component,
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		ret = q6asm_open_write(prtd->audio_client, prtd->stream_id,
 				       FORMAT_LINEAR_PCM,
-				       0, prtd->bits_per_sample);
+				       0, prtd->bits_per_sample, false);
 	} else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
 		ret = q6asm_open_read(prtd->audio_client, prtd->stream_id,
 				      FORMAT_LINEAR_PCM,
@@ -682,7 +682,7 @@ static int q6asm_dai_compr_set_params(struct snd_soc_component *component,
 	if (dir == SND_COMPRESS_PLAYBACK) {
 		ret = q6asm_open_write(prtd->audio_client, prtd->stream_id,
 				       params->codec.id, params->codec.profile,
-				       prtd->bits_per_sample);
+				       prtd->bits_per_sample, true);
 
 		if (ret < 0) {
 			dev_err(dev, "q6asm_open_write failed\n");

sound/soc/qcom/qdsp6/q6asm.c

@@ -923,7 +923,7 @@ static int q6asm_ac_send_cmd_sync(struct audio_client *ac, struct apr_pkt *pkt)
  */
 int q6asm_open_write(struct audio_client *ac, uint32_t stream_id,
 		     uint32_t format, u32 codec_profile,
-		     uint16_t bits_per_sample)
+		     uint16_t bits_per_sample, bool is_gapless)
 {
 	struct asm_stream_cmd_open_write_v3 *open;
 	struct apr_pkt *pkt;
@@ -943,6 +943,8 @@ int q6asm_open_write(struct audio_client *ac, uint32_t stream_id,
 	pkt->hdr.opcode = ASM_STREAM_CMD_OPEN_WRITE_V3;
 	open->mode_flags = 0x00;
 	open->mode_flags |= ASM_LEGACY_STREAM_SESSION;
+	if (is_gapless)
+		open->mode_flags |= BIT(ASM_SHIFT_GAPLESS_MODE_FLAG);
 
 	/* source endpoint : matrix */
 	open->sink_endpointype = ASM_END_POINT_DEVICE_MATRIX;

sound/soc/qcom/qdsp6/q6asm.h

@@ -99,7 +99,7 @@ int q6asm_write_async(struct audio_client *ac, uint32_t stream_id, uint32_t len,
 		      uint32_t msw_ts, uint32_t lsw_ts, uint32_t flags);
 int q6asm_open_write(struct audio_client *ac, uint32_t stream_id,
 		     uint32_t format, u32 codec_profile,
-		     uint16_t bits_per_sample);
+		     uint16_t bits_per_sample, bool is_gapless);
 
 int q6asm_open_read(struct audio_client *ac, uint32_t stream_id,
 		    uint32_t format, uint16_t bits_per_sample);