Add corresponding ASoC changes to support gapless playback of tracks
which have different codec profile with or without same decoder.

Signed-off-by: Srinivas Kandagatla <[email protected]>
---
 include/sound/soc-component.h |  3 +++
 include/sound/soc-dai.h       |  5 +++++
 sound/soc/soc-compress.c      | 30 ++++++++++++++++++++++++++++++
 sound/soc/soc-dai.c           | 14 ++++++++++++++
 4 files changed, 52 insertions(+)

diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h
index 5663891148e3..1e69c54ed0b9 100644
--- a/include/sound/soc-component.h
+++ b/include/sound/soc-component.h
@@ -36,6 +36,9 @@ struct snd_compress_ops {
        int (*get_params)(struct snd_soc_component *component,
                          struct snd_compr_stream *stream,
                          struct snd_codec *params);
+       int (*set_codec_params)(struct snd_soc_component *component,
+                         struct snd_compr_stream *stream,
+                         struct snd_codec *params);
        int (*set_metadata)(struct snd_soc_component *component,
                            struct snd_compr_stream *stream,
                            struct snd_compr_metadata *metadata);
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index 212257e84fac..526794ee555b 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -192,6 +192,9 @@ int snd_soc_dai_compr_trigger(struct snd_soc_dai *dai,
 int snd_soc_dai_compr_set_params(struct snd_soc_dai *dai,
                                 struct snd_compr_stream *cstream,
                                 struct snd_compr_params *params);
+int snd_soc_dai_compr_set_codec_params(struct snd_soc_dai *dai,
+                                struct snd_compr_stream *cstream,
+                                struct snd_codec *codec);
 int snd_soc_dai_compr_get_params(struct snd_soc_dai *dai,
                                 struct snd_compr_stream *cstream,
                                 struct snd_codec *params);
@@ -292,6 +295,8 @@ struct snd_soc_cdai_ops {
                        struct snd_soc_dai *);
        int (*set_params)(struct snd_compr_stream *,
                        struct snd_compr_params *, struct snd_soc_dai *);
+       int (*set_codec_params)(struct snd_compr_stream *,
+                       struct snd_codec *, struct snd_soc_dai *);
        int (*get_params)(struct snd_compr_stream *,
                        struct snd_codec *, struct snd_soc_dai *);
        int (*set_metadata)(struct snd_compr_stream *,
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index 4984b6a2c370..e549e0197aca 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -518,6 +518,34 @@ static int soc_compr_set_params_fe(struct snd_compr_stream 
*cstream,
        return ret;
 }
 
+static int soc_compr_set_codec_params(struct snd_compr_stream *cstream,
+                                     struct snd_codec *codec)
+{
+       struct snd_soc_pcm_runtime *rtd = cstream->private_data;
+       struct snd_soc_component *component;
+       struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+       int i, ret;
+
+       mutex_lock_nested(&rtd->card->pcm_mutex, rtd->card->pcm_subclass);
+
+       ret = snd_soc_dai_compr_set_codec_params(cpu_dai, cstream, codec);
+       if (ret < 0)
+               goto err;
+
+       for_each_rtd_components(rtd, i, component) {
+               if (!component->driver->compress_ops ||
+                   !component->driver->compress_ops->set_codec_params)
+                       continue;
+
+               ret = 
component->driver->compress_ops->set_codec_params(component, cstream,
+                                                                    codec);
+               break;
+       }
+err:
+       mutex_unlock(&rtd->card->pcm_mutex);
+       return ret;
+}
+
 static int soc_compr_get_params(struct snd_compr_stream *cstream,
                                struct snd_codec *params)
 {
@@ -728,6 +756,7 @@ static struct snd_compr_ops soc_compr_ops = {
        .open           = soc_compr_open,
        .free           = soc_compr_free,
        .set_params     = soc_compr_set_params,
+       .set_codec_params = soc_compr_set_codec_params,
        .set_metadata   = soc_compr_set_metadata,
        .get_metadata   = soc_compr_get_metadata,
        .get_params     = soc_compr_get_params,
@@ -744,6 +773,7 @@ static struct snd_compr_ops soc_compr_dyn_ops = {
        .free           = soc_compr_free_fe,
        .set_params     = soc_compr_set_params_fe,
        .get_params     = soc_compr_get_params,
+       .set_codec_params = soc_compr_set_codec_params,
        .set_metadata   = soc_compr_set_metadata,
        .get_metadata   = soc_compr_get_metadata,
        .trigger        = soc_compr_trigger_fe,
diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c
index b05e18b63a1c..06481d0278b8 100644
--- a/sound/soc/soc-dai.c
+++ b/sound/soc/soc-dai.c
@@ -594,6 +594,20 @@ int snd_soc_dai_compr_get_params(struct snd_soc_dai *dai,
 }
 EXPORT_SYMBOL_GPL(snd_soc_dai_compr_get_params);
 
+int snd_soc_dai_compr_set_codec_params(struct snd_soc_dai *dai,
+                                       struct snd_compr_stream *cstream,
+                                       struct snd_codec *codec)
+{      int ret = 0;
+
+       if (dai->driver->cops &&
+           dai->driver->cops->set_codec_params)
+               ret = dai->driver->cops->set_codec_params(cstream, codec, dai);
+
+       return soc_dai_ret(dai, ret);
+
+}
+EXPORT_SYMBOL_GPL(snd_soc_dai_compr_set_codec_params);
+
 int snd_soc_dai_compr_ack(struct snd_soc_dai *dai,
                          struct snd_compr_stream *cstream,
                          size_t bytes)
-- 
2.21.0

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