The conversion from hw_params to SoundWire config is pretty standard as such most of the conversion can be handled by the new snd_sdw_params_to_config helper function.
Signed-off-by: Charles Keepax ckeepax@opensource.cirrus.com ---
Changes since v2: - Correct other spelling error, sorry. Changes since v1: - Correct spelling error in commit message
sound/soc/codecs/sdw-mockup.c | 28 ++++++++-------------------- 1 file changed, 8 insertions(+), 20 deletions(-)
diff --git a/sound/soc/codecs/sdw-mockup.c b/sound/soc/codecs/sdw-mockup.c index 288b55368d2a4..af52f2728854b 100644 --- a/sound/soc/codecs/sdw-mockup.c +++ b/sound/soc/codecs/sdw-mockup.c @@ -16,6 +16,7 @@ #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> +#include <sound/sdw.h> #include <sound/soc.h>
struct sdw_mockup_priv { @@ -80,12 +81,9 @@ static int sdw_mockup_pcm_hw_params(struct snd_pcm_substream *substream, { struct snd_soc_component *component = dai->component; struct sdw_mockup_priv *sdw_mockup = snd_soc_component_get_drvdata(component); - struct sdw_stream_config stream_config; - struct sdw_port_config port_config; - enum sdw_data_direction direction; + struct sdw_stream_config stream_config = {0}; + struct sdw_port_config port_config = {0}; struct sdw_stream_data *stream; - int num_channels; - int port; int ret;
stream = snd_soc_dai_get_dma_data(dai, substream); @@ -96,22 +94,12 @@ static int sdw_mockup_pcm_hw_params(struct snd_pcm_substream *substream, return -EINVAL;
/* SoundWire specific configuration */ - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - direction = SDW_DATA_DIR_RX; - port = 1; - } else { - direction = SDW_DATA_DIR_TX; - port = 8; - } - - stream_config.frame_rate = params_rate(params); - stream_config.ch_count = params_channels(params); - stream_config.bps = snd_pcm_format_width(params_format(params)); - stream_config.direction = direction; + snd_sdw_params_to_config(substream, params, &stream_config, &port_config);
- num_channels = params_channels(params); - port_config.ch_mask = (1 << num_channels) - 1; - port_config.num = port; + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + port_config.num = 1; + else + port_config.num = 8;
ret = sdw_stream_add_slave(sdw_mockup->slave, &stream_config, &port_config, 1, stream->sdw_stream);