The conversation 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 --- sound/soc/codecs/max98373-sdw.c | 31 +++++++++++-------------------- 1 file changed, 11 insertions(+), 20 deletions(-)
diff --git a/sound/soc/codecs/max98373-sdw.c b/sound/soc/codecs/max98373-sdw.c index 899965b19d12d..3cd1be743d9ee 100644 --- a/sound/soc/codecs/max98373-sdw.c +++ b/sound/soc/codecs/max98373-sdw.c @@ -10,6 +10,7 @@ #include <linux/slab.h> #include <sound/pcm.h> #include <sound/pcm_params.h> +#include <sound/sdw.h> #include <sound/soc.h> #include <sound/tlv.h> #include <linux/of.h> @@ -533,10 +534,8 @@ static int max98373_sdw_dai_hw_params(struct snd_pcm_substream *substream, struct snd_soc_component *component = dai->component; struct max98373_priv *max98373 = 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 ret, chan_sz, sampling_rate;
@@ -548,28 +547,20 @@ static int max98373_sdw_dai_hw_params(struct snd_pcm_substream *substream, if (!max98373->slave) return -EINVAL;
+ snd_sdw_params_to_config(substream, params, &stream_config, &port_config); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - direction = SDW_DATA_DIR_RX; port_config.num = 1; + + if (max98373->slot) { + stream_config.ch_count = max98373->slot; + port_config.ch_mask = max98373->rx_mask; + } } else { - direction = SDW_DATA_DIR_TX; port_config.num = 3; - }
- stream_config.frame_rate = params_rate(params); - stream_config.bps = snd_pcm_format_width(params_format(params)); - stream_config.direction = direction; - - if (max98373->slot && direction == SDW_DATA_DIR_RX) { - stream_config.ch_count = max98373->slot; - port_config.ch_mask = max98373->rx_mask; - } else { /* only IV are supported by capture */ - if (direction == SDW_DATA_DIR_TX) - stream_config.ch_count = 2; - else - stream_config.ch_count = params_channels(params); - + stream_config.ch_count = 2; port_config.ch_mask = GENMASK((int)stream_config.ch_count - 1, 0); }