@@ -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) {
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/rt1308-sdw.c | 33 +++++++++++---------------------- 1 file changed, 11 insertions(+), 22 deletions(-)