[Sound-open-firmware] [PATCH 1/5] component: set source buffer params for capture component .params()

[Keyon Jie]

Considering of capture pipeline, when doing .params(), we need
set params to each component's source buffer.

This patch implement that for host/volume component, as mixer is
only for playback ATM, and dai don't have source buffer for capture,
we don't need change them ATM.

Signed-off-by: Keyon Jie <yang.jie at linux.intel.com>
---
 src/audio/host.c                   |  7 ++++++-
 src/audio/volume.c                 | 39 ++++++++++++++++++++++++--------------
 src/include/reef/audio/component.h | 13 +++++++++++++
 3 files changed, 44 insertions(+), 15 deletions(-)

diff --git a/src/audio/host.c b/src/audio/host.c
index 069c6a2..12aee59 100644
--- a/src/audio/host.c
+++ b/src/audio/host.c
@@ -535,10 +535,12 @@ static int host_params(struct comp_dev *dev, struct stream_params *params)
 
 	/* set params */
 	hd->params = *params;
-	comp_set_sink_params(dev, params);
 
 	/* determine source and sink buffer elems */
 	if (params->direction == STREAM_DIRECTION_PLAYBACK) {
+		/* set sink buffer params */
+		comp_set_sink_params(dev, params);
+
 		hd->source = &hd->host;
 		hd->sink = &hd->local;
 		hd->dma_buffer = list_first_item(&dev->bsink_list,
@@ -546,6 +548,9 @@ static int host_params(struct comp_dev *dev, struct stream_params *params)
 		hd->period = &hd->dma_buffer->desc.source_period;
 		config->direction = DMA_DIR_HMEM_TO_LMEM;
 	} else {
+		/* set source buffer params */
+		comp_set_source_params(dev, params);
+
 		hd->source = &hd->local;
 		hd->sink = &hd->host;
 		hd->dma_buffer = list_first_item(&dev->bsource_list,
diff --git a/src/audio/volume.c b/src/audio/volume.c
index 1eb6004..bdaf87f 100644
--- a/src/audio/volume.c
+++ b/src/audio/volume.c
@@ -341,26 +341,37 @@ static void volume_free(struct comp_dev *dev)
 /* set component audio stream paramters */
 static int volume_params(struct comp_dev *dev, struct stream_params *params)
 {
-	struct stream_params sink_params = *params;
-	struct comp_buffer *sink;
-
-	/* volume components will only ever have 1 source and 1 sink buffer */
-	sink = list_first_item(&dev->bsink_list, struct comp_buffer, source_list);
+	struct stream_params buffer_params = *params;
+	struct comp_buffer *next_buf;
+	struct comp_dev *next_dev;
+
+	if (params->direction == STREAM_DIRECTION_PLAYBACK) {
+		/* volume components will only ever have 1 sink buffer */
+		next_buf = list_first_item(&dev->bsink_list, struct comp_buffer, source_list);
+		next_dev = next_buf->sink;
+	} else {
+		/* volume components will only ever have 1 source buffer */
+		next_buf = list_first_item(&dev->bsource_list, struct comp_buffer, sink_list);
+		next_dev = next_buf->source;
+	}
 
 	/* hard coded until new IPC is ready */
-	if (sink->sink->is_host) {
-		sink_params.pcm.format = STREAM_FORMAT_S16_LE;
-		sink_params.frame_size = 2 * params->channels; /* 16bit container */
-	} else if (sink->sink->is_dai) {
-		sink_params.pcm.format = PLATFORM_SSP_STREAM_FORMAT;
-		sink_params.frame_size = 4 * params->channels; /* 32bit container */
+	if (next_dev->is_host) {
+		buffer_params.pcm.format = STREAM_FORMAT_S16_LE;
+		buffer_params.frame_size = 2 * params->channels; /* 16bit container */
+	} else if (next_dev->is_dai) {
+		buffer_params.pcm.format = PLATFORM_SSP_STREAM_FORMAT;
+		buffer_params.frame_size = 4 * params->channels; /* 32bit container */
 	} else {
-		sink_params.pcm.format = STREAM_FORMAT_S32_LE;
-		sink_params.frame_size = 4 * params->channels; /* 32bit container */
+		buffer_params.pcm.format = STREAM_FORMAT_S32_LE;
+		buffer_params.frame_size = 4 * params->channels; /* 32bit container */
 	}
 
 	/* dont do any data transformation */
-	comp_set_sink_params(dev, &sink_params);
+	if (params->direction == STREAM_DIRECTION_PLAYBACK)
+		comp_set_sink_params(dev, &buffer_params);
+	else
+		comp_set_source_params(dev, &buffer_params);
 
 	return 0;
 }
diff --git a/src/include/reef/audio/component.h b/src/include/reef/audio/component.h
index 1e784f5..be45d81 100644
--- a/src/include/reef/audio/component.h
+++ b/src/include/reef/audio/component.h
@@ -420,4 +420,17 @@ static inline void comp_set_sink_params(struct comp_dev *dev,
 	}
 }
 
+static inline void comp_set_source_params(struct comp_dev *dev,
+	struct stream_params *params)
+{
+	struct list_item *clist;
+	struct comp_buffer *source;
+
+	list_for_item(clist, &dev->bsource_list) {
+
+		source = container_of(clist, struct comp_buffer, sink_list);
+		source->params = *params;
+	}
+}
+
 #endif
-- 
2.7.4