1 files changed, 7 insertions, 0 deletions

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index f94397b42aa5..c263991b3b9d 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,