If its sink is host, we need set it to 16bit(hard coded ATM); if its sink is dai, we need set it to 32bit SSP format; otherwise, for internal component, we uses STREAM_FORMAT_S32_LE.
Signed-off-by: Keyon Jie yang.jie@linux.intel.com --- src/audio/volume.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/src/audio/volume.c b/src/audio/volume.c index 24a9d11..ddab23b 100644 --- a/src/audio/volume.c +++ b/src/audio/volume.c @@ -341,8 +341,26 @@ 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); + + /* hard coded now */ + 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 */ + } else { + sink_params.pcm.format = STREAM_FORMAT_S32_LE; + sink_params.frame_size = 4 * params->channels; /* 32bit container */ + } + /* dont do any data transformation */ - comp_set_sink_params(dev, params); + comp_set_sink_params(dev, &sink_params);
return 0; }