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-rw-r--r--sound/usb/pcm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index f94397b..c263991 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -350,6 +350,13 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
fmt->iface, fmt->altsetting);
subs->interface = fmt->iface;
subs->altset_idx = fmt->altset_idx;
+
+ /*
+ * "Playback Design" products need a 50ms delay after setting the
+ * USB interface.
+ */
+ if (le16_to_cpu(dev->descriptor.idVendor) == 0x23ba)
+ mdelay(50);
}
subs->data_endpoint = snd_usb_add_endpoint(subs->stream->chip,
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