--- ../alsa-kernel/usb/quirks.c	2010-03-10 09:22:24.488022926 +0100
+++ quirks.c	2010-03-10 09:59:44.787522189 +0100
@@ -1,3 +1,5 @@
+#define __NO_VERSION__
+#include "usbaudio.inc"
 /*
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -157,7 +159,11 @@
 	}
 	alts = &iface->altsetting[fp->altset_idx];
 	fp->datainterval = snd_usb_parse_datainterval(chip, alts);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 11)
 	fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
+#else
+	fp->maxpacksize = get_endpoint(alts, 0)->wMaxPacketSize;
+#endif
 	usb_set_interface(chip->dev, fp->iface, 0);
 	snd_usb_init_pitch(chip, fp->iface, alts, fp);
 	snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
@@ -228,7 +234,11 @@
 	fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
 	fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
 	fp->datainterval = 0;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 11)
 	fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
+#else
+	fp->maxpacksize = get_endpoint(alts, 0)->wMaxPacketSize;
+#endif
 
 	switch (fp->maxpacksize) {
 	case 0x120:
@@ -313,8 +323,13 @@
 	struct usb_host_config *config = dev->actconfig;
 	int err;
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 11)
 	if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
 	    le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
+#else
+	if (get_cfg_desc(config)->wTotalLength == EXTIGY_FIRMWARE_SIZE_OLD ||
+	    get_cfg_desc(config)->wTotalLength == EXTIGY_FIRMWARE_SIZE_NEW) {
+#endif
 		snd_printdd("sending Extigy boot sequence...\n");
 		/* Send message to force it to reconnect with full interface. */
 		err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
@@ -326,8 +341,13 @@
 		if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err);
 		err = usb_reset_configuration(dev);
 		if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 11)
 		snd_printdd("extigy_boot: new boot length = %d\n",
 			    le16_to_cpu(get_cfg_desc(config)->wTotalLength));
+#else
+		snd_printdd("extigy_boot: new boot length = %d\n",
+			    get_cfg_desc(config)->wTotalLength);
+#endif
 		return -ENODEV; /* quit this anyway */
 	}
 	return 0;
@@ -335,6 +355,8 @@
 
 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
 {
+/* The pre-2.6.13 EHCI driver blows up when doing high speed iso transfers */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 13)
 	u8 buf = 1;
 
 	snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a,
@@ -346,6 +368,7 @@
 				1, 2000, NULL, 0, 1000);
 		return -ENODEV;
 	}
+#endif
 	return 0;
 }
 
