ASoC: rt1308-sdw: Switch to new snd_sdw_params_to_config helper

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>
Link: https://lore.kernel.org/r/20221123165432.594972-3-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt1308-sdw.c b/sound/soc/codecs/rt1308-sdw.c
index 7f4248284f35e8fb550e870fecc0f26599f14d17..ca2790d63b719c81016bd0fcfd1ff98c6d04dab1 100644 (file)
--- 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) {