diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 9ab2b3e..5ebe8c4 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -458,7 +458,7 @@
 	stride = runtime->frame_bits >> 3;
 
 	for (i = 0; i < urb->number_of_packets; i++) {
-		cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset;
+		cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset + subs->pkt_offset_adj;
 		if (urb->iso_frame_desc[i].status && printk_ratelimit()) {
 			snd_printdd("frame %d active: %d\n", i, urb->iso_frame_desc[i].status);
 			// continue;
@@ -898,6 +898,7 @@
 	subs->speed = snd_usb_get_speed(subs->dev);
 	if (subs->speed >= USB_SPEED_HIGH)
 		subs->ops.prepare_sync = prepare_capture_sync_urb_hs;
+	subs->pkt_offset_adj = 0;
 
 	snd_usb_set_pcm_ops(as->pcm, stream);