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/rt5682-sdw.c | 28 +++++++++------------------- 1 file changed, 9 insertions(+), 19 deletions(-)
diff --git a/sound/soc/codecs/rt5682-sdw.c b/sound/soc/codecs/rt5682-sdw.c index c1a94229dc7e3..d8a573dcb771b 100644 --- a/sound/soc/codecs/rt5682-sdw.c +++ b/sound/soc/codecs/rt5682-sdw.c @@ -24,6 +24,7 @@ #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/jack.h> +#include <sound/sdw.h> #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/initval.h> @@ -130,11 +131,10 @@ static int rt5682_sdw_hw_params(struct snd_pcm_substream *substream, { struct snd_soc_component *component = dai->component; struct rt5682_priv *rt5682 = 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; + int retval; unsigned int val_p = 0, val_c = 0, osr_p = 0, osr_c = 0;
dev_dbg(dai->dev, "%s %s", __func__, dai->name); @@ -147,22 +147,12 @@ static int rt5682_sdw_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 = 2; - } + snd_sdw_params_to_config(substream, params, &stream_config, &port_config);
- 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; - - 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 = 2;
retval = sdw_stream_add_slave(rt5682->slave, &stream_config, &port_config, 1, stream->sdw_stream);