Commit b0db6063 authored by Takashi Iwai's avatar Takashi Iwai

ALSA: usb-audio: process pending stop at PCM hw_free and close

PCM hw_free and close should wait until all the pending stop
operations have been finished.  Basically only PCM trigger callback
should use non-wait calls.
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent b2eb950d
......@@ -446,7 +446,7 @@ static int configure_endpoint(struct snd_usb_substream *subs)
int ret;
/* format changed */
stop_endpoints(subs, false);
stop_endpoints(subs, true);
ret = snd_usb_endpoint_set_params(subs->data_endpoint,
subs->pcm_format,
subs->channels,
......@@ -1012,7 +1012,7 @@ static int snd_usb_pcm_close(struct snd_pcm_substream *substream, int direction)
struct snd_usb_stream *as = snd_pcm_substream_chip(substream);
struct snd_usb_substream *subs = &as->substream[direction];
stop_endpoints(subs, false);
stop_endpoints(subs, true);
if (!as->chip->shutdown && subs->interface >= 0) {
usb_set_interface(subs->dev, subs->interface, 0);
......
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