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-rw-r--r--sound/usb/pcm.c24
-rw-r--r--sound/usb/stream.c6
2 files changed, 24 insertions, 6 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 99ec9d5caa58..bbc7116c9543 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -748,11 +748,11 @@ int snd_usb_pcm_resume(struct snd_usb_stream *as)
{
int ret;
- ret = snd_usb_pcm_change_state(&as->substream[0], UAC3_PD_STATE_D0);
+ ret = snd_usb_pcm_change_state(&as->substream[0], UAC3_PD_STATE_D1);
if (ret < 0)
return ret;
- ret = snd_usb_pcm_change_state(&as->substream[1], UAC3_PD_STATE_D0);
+ ret = snd_usb_pcm_change_state(&as->substream[1], UAC3_PD_STATE_D1);
if (ret < 0)
return ret;
@@ -803,16 +803,22 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
ret = snd_usb_lock_shutdown(subs->stream->chip);
if (ret < 0)
return ret;
+
+ ret = snd_usb_pcm_change_state(subs, UAC3_PD_STATE_D0);
+ if (ret < 0)
+ goto unlock;
+
ret = set_format(subs, fmt);
- snd_usb_unlock_shutdown(subs->stream->chip);
if (ret < 0)
- return ret;
+ goto unlock;
subs->interface = fmt->iface;
subs->altset_idx = fmt->altset_idx;
subs->need_setup_ep = true;
- return 0;
+ unlock:
+ snd_usb_unlock_shutdown(subs->stream->chip);
+ return ret;
}
/*
@@ -869,6 +875,10 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
snd_usb_endpoint_sync_pending_stop(subs->sync_endpoint);
snd_usb_endpoint_sync_pending_stop(subs->data_endpoint);
+ ret = snd_usb_pcm_change_state(subs, UAC3_PD_STATE_D0);
+ if (ret < 0)
+ goto unlock;
+
ret = set_format(subs, subs->cur_audiofmt);
if (ret < 0)
goto unlock;
@@ -1313,6 +1323,7 @@ static int snd_usb_pcm_close(struct snd_pcm_substream *substream)
int direction = substream->stream;
struct snd_usb_stream *as = snd_pcm_substream_chip(substream);
struct snd_usb_substream *subs = &as->substream[direction];
+ int ret;
stop_endpoints(subs, true);
@@ -1321,7 +1332,10 @@ static int snd_usb_pcm_close(struct snd_pcm_substream *substream)
!snd_usb_lock_shutdown(subs->stream->chip)) {
usb_set_interface(subs->dev, subs->interface, 0);
subs->interface = -1;
+ ret = snd_usb_pcm_change_state(subs, UAC3_PD_STATE_D1);
snd_usb_unlock_shutdown(subs->stream->chip);
+ if (ret < 0)
+ return ret;
}
subs->pcm_substream = NULL;
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index c0567fa1e84b..8fe3b0e00e45 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -110,8 +110,12 @@ static void snd_usb_init_substream(struct snd_usb_stream *as,
if (fp->channels > subs->channels_max)
subs->channels_max = fp->channels;
- if (pd)
+ if (pd) {
subs->str_pd = pd;
+ /* Initialize Power Domain to idle status D1 */
+ snd_usb_power_domain_set(subs->stream->chip, pd,
+ UAC3_PD_STATE_D1);
+ }
snd_usb_preallocate_buffer(subs);
}