The conversion from hw_params to SoundWire config is pretty standard as such most of the conversation can be handled by the new snd_sdw_params_to_config helper function.
Signed-off-by: Charles Keepax ckeepax@opensource.cirrus.com ---
Changes since v1: - Correct spelling error in commit message
sound/soc/codecs/rt1308-sdw.c | 33 +++++++++++---------------------- 1 file changed, 11 insertions(+), 22 deletions(-)
diff --git a/sound/soc/codecs/rt1308-sdw.c b/sound/soc/codecs/rt1308-sdw.c index 7f4248284f35e..ca2790d63b719 100644 --- a/sound/soc/codecs/rt1308-sdw.c +++ b/sound/soc/codecs/rt1308-sdw.c @@ -17,6 +17,7 @@ #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> +#include <sound/sdw.h> #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/initval.h> @@ -553,11 +554,10 @@ static int rt1308_sdw_hw_params(struct snd_pcm_substream *substream, struct snd_soc_component *component = dai->component; struct rt1308_sdw_priv *rt1308 = 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 retval, port, num_channels, ch_mask; + int retval;
dev_dbg(dai->dev, "%s %s", __func__, dai->name); stream = snd_soc_dai_get_dma_data(dai, substream); @@ -569,30 +569,19 @@ static int rt1308_sdw_hw_params(struct snd_pcm_substream *substream, return -EINVAL;
/* SoundWire specific configuration */ + snd_sdw_params_to_config(substream, params, &stream_config, &port_config); + /* port 1 for playback */ - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - direction = SDW_DATA_DIR_RX; - port = 1; - } else { + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + port_config.num = 1; + else return -EINVAL; - }
if (rt1308->slots) { - num_channels = rt1308->slots; - ch_mask = rt1308->rx_mask; - } else { - num_channels = params_channels(params); - ch_mask = (1 << num_channels) - 1; + stream_config.ch_count = rt1308->slots; + port_config.ch_mask = rt1308->rx_mask; }
- stream_config.frame_rate = params_rate(params); - stream_config.ch_count = num_channels; - stream_config.bps = snd_pcm_format_width(params_format(params)); - stream_config.direction = direction; - - port_config.ch_mask = ch_mask; - port_config.num = port; - retval = sdw_stream_add_slave(rt1308->sdw_slave, &stream_config, &port_config, 1, stream->sdw_stream); if (retval) {