1 files changed, 7 insertions, 7 deletions

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 9916c85d8cdb..099c0fe0d1e1 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -1236,8 +1236,8 @@ static void prepare_playback_urb(struct snd_usb_substream *subs,
                         counts = snd_usb_endpoint_next_packet_size(ep);
 
                 /* set up descriptor */
-                urb->iso_frame_desc[i].offset = frames * stride;
-                urb->iso_frame_desc[i].length = counts * stride;
+                urb->iso_frame_desc[i].offset = frames * ep->stride;
+                urb->iso_frame_desc[i].length = counts * ep->stride;
                 frames += counts;
                 urb->number_of_packets++;
                 subs->transfer_done += counts;
@@ -1251,14 +1251,14 @@ static void prepare_playback_urb(struct snd_usb_substream *subs,
                                         frames -= subs->transfer_done;
                                         counts -= subs->transfer_done;
                                         urb->iso_frame_desc[i].length =
-                                                counts * stride;
+                                                counts * ep->stride;
                                         subs->transfer_done = 0;
                                 }
                                 i++;
                                 if (i < ctx->packets) {
                                         /* add a transfer delimiter */
                                         urb->iso_frame_desc[i].offset =
-                                                frames * stride;
+                                                frames * ep->stride;
                                         urb->iso_frame_desc[i].length = 0;
                                         urb->number_of_packets++;
                                 }
@@ -1269,7 +1269,7 @@ static void prepare_playback_urb(struct snd_usb_substream *subs,
                     !snd_usb_endpoint_implicit_feedback_sink(subs->data_endpoint)) /* finish at the period boundary */
                         break;
         }
-        bytes = frames * stride;
+        bytes = frames * ep->stride;
         if (subs->hwptr_done + bytes > runtime->buffer_size * stride) {
                 /* err, the transferred area goes over buffer boundary. */
                 unsigned int bytes1 =
@@ -1310,8 +1310,8 @@ static void retire_playback_urb(struct snd_usb_substream *subs,
 {
         unsigned long flags;
         struct snd_pcm_runtime *runtime = subs->pcm_substream->runtime;
-        int stride = runtime->frame_bits >> 3;
-        int processed = urb->transfer_buffer_length / stride;
+        struct snd_usb_endpoint *ep = subs->data_endpoint;
+        int processed = urb->transfer_buffer_length / ep->stride;
         int est_delay;
 
         /* ignore the delay accounting when procssed=0 is given, i.e.