There could be multiple instances of this codec on any platform,
so handling stream directly in this codec driver can lead to
multiple calls to prepare/enable/disable on the same SoundWire stream.
Move this stream handling to machine driver to fix this issue.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
sound/soc/codecs/wsa881x.c | 44 +-------------------------------------
1 file changed, 1 insertion(+), 43 deletions(-)
diff --git a/sound/soc/codecs/wsa881x.c b/sound/soc/codecs/wsa881x.c
index 1810e0775efe..d39d479e2378 100644
--- a/sound/soc/codecs/wsa881x.c
+++ b/sound/soc/codecs/wsa881x.c
@@ -680,7 +680,6 @@ struct wsa881x_priv {
int active_ports;
bool port_prepared[WSA881X_MAX_SWR_PORTS];
bool port_enable[WSA881X_MAX_SWR_PORTS];
- bool stream_prepared;
};
static void wsa881x_init(struct wsa881x_priv *wsa881x)
@@ -958,41 +957,6 @@ static const struct snd_soc_dapm_widget wsa881x_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("SPKR"),
};
-static int wsa881x_prepare(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev);
- int ret;
-
- if (wsa881x->stream_prepared) {
- sdw_disable_stream(wsa881x->sruntime);
- sdw_deprepare_stream(wsa881x->sruntime);
- wsa881x->stream_prepared = false;
- }
-
-
- ret = sdw_prepare_stream(wsa881x->sruntime);
- if (ret)
- return ret;
-
- /**
- * NOTE: there is a strict hw requirement about the ordering of port
- * enables and actual PA enable. PA enable should only happen after
- * soundwire ports are enabled if not DC on the line is accumulated
- * resulting in Click/Pop Noise
- * PA enable/mute are handled as part of DAPM and digital mute.
- */
-
- ret = sdw_enable_stream(wsa881x->sruntime);
- if (ret) {
- sdw_deprepare_stream(wsa881x->sruntime);
- return ret;
- }
- wsa881x->stream_prepared = true;
-
- return ret;
-}
-
static int wsa881x_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
@@ -1020,12 +984,7 @@ static int wsa881x_hw_free(struct snd_pcm_substream *substream,
{
struct wsa881x_priv *wsa881x = dev_get_drvdata(dai->dev);
- if (wsa881x->stream_prepared) {
- sdw_disable_stream(wsa881x->sruntime);
- sdw_deprepare_stream(wsa881x->sruntime);
- sdw_stream_remove_slave(wsa881x->slave, wsa881x->sruntime);
- wsa881x->stream_prepared = false;
- }
+ sdw_stream_remove_slave(wsa881x->slave, wsa881x->sruntime);
return 0;
}
@@ -1056,7 +1015,6 @@ static int wsa881x_digital_mute(struct snd_soc_dai *dai, int mute, int stream)
static struct snd_soc_dai_ops wsa881x_dai_ops = {
.hw_params = wsa881x_hw_params,
- .prepare = wsa881x_prepare,
.hw_free = wsa881x_hw_free,
.mute_stream = wsa881x_digital_mute,
.set_sdw_stream = wsa881x_set_sdw_stream,
--
2.21.0
