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--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -3,10 +3,10 @@
#define __USBAUDIO_CARD_H
#define MAX_NR_RATES 1024
-#define MAX_PACKS 6 /* per URB */
-#define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */
-#define MAX_URBS 12
-#define SYNC_URBS 4 /* always four urbs for sync */
+#define MAX_PACKS 1 /* per URB */
+#define MAX_PACKS_HS MAX_PACKS /* in high speed mode */
+#define MAX_URBS 2
+#define SYNC_URBS MAX_URBS
#define MAX_QUEUE 18 /* try not to exceed this queue length, in ms */
struct audioformat {
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