usb/usbaudio.patch

--- ../alsa-kernel/usb/usbaudio.c	2009-12-14 15:40:14.000000000 +0100
+++ usbaudio.c	2009-12-16 19:25:04.000000000 +0100
@@ -1,3 +1,4 @@
+#include "usbaudio.inc"
 /*
  *   (Tentative) USB Audio Driver for ALSA
  *
@@ -69,7 +70,12 @@
 static int vid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 };
 static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 };
 static int nrpacks = 8;		/* max. number of packets per urb */
-static int async_unlink = 1;
+static int async_unlink =
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
+1;
+#else
+0; /* disabled as default for buggy async-unlink handling */
+#endif
 static int device_setup[SNDRV_CARDS]; /* device parameter for this card*/
 static int ignore_ctl_error;
 
@@ -692,7 +698,11 @@
 /*
  * complete callback from data urb
  */
+#if !defined(OLD_USB) && !defined(CONFIG_SND_NEW_IRQ_HANDLER)
+static void snd_complete_urb(struct urb *urb, struct pt_regs *regs)
+#else
 static void snd_complete_urb(struct urb *urb)
+#endif
 {
 	struct snd_urb_ctx *ctx = urb->context;
 	struct snd_usb_substream *subs = ctx->subs;
@@ -715,7 +725,11 @@
 /*
  * complete callback from sync urb
  */
+#if !defined(OLD_USB) && !defined(CONFIG_SND_NEW_IRQ_HANDLER)
+static void snd_complete_sync_urb(struct urb *urb, struct pt_regs *regs)
+#else
 static void snd_complete_sync_urb(struct urb *urb)
+#endif
 {
 	struct snd_urb_ctx *ctx = urb->context;
 	struct snd_usb_substream *subs = ctx->subs;
@@ -792,9 +806,12 @@
 		if (test_bit(i, &subs->active_mask)) {
 			if (!test_and_set_bit(i, &subs->unlink_mask)) {
 				struct urb *u = subs->dataurb[i].urb;
-				if (async)
+				if (async) {
+#ifdef URB_ASYNC_UNLINK
+					u->transfer_flags |= URB_ASYNC_UNLINK;
+#endif
 					usb_unlink_urb(u);
-				else
+				} else
 					usb_kill_urb(u);
 			}
 		}
@@ -804,9 +821,12 @@
 			if (test_bit(i+16, &subs->active_mask)) {
 				if (!test_and_set_bit(i+16, &subs->unlink_mask)) {
 					struct urb *u = subs->syncurb[i].urb;
-					if (async)
+					if (async) {
+#ifdef URB_ASYNC_UNLINK
+						u->transfer_flags |= URB_ASYNC_UNLINK;
+#endif
 						usb_unlink_urb(u);
-					else
+					} else
 						usb_kill_urb(u);
 				}
 			}
@@ -1162,7 +1182,9 @@
 			if (!u->urb)
 				goto out_of_memory;
 			u->urb->transfer_buffer = subs->syncbuf + i * 4;
+#ifdef HAVE_USB_BUFFERS
 			u->urb->transfer_dma = subs->sync_dma + i * 4;
+#endif
 			u->urb->transfer_buffer_length = 4;
 			u->urb->pipe = subs->syncpipe;
 			u->urb->transfer_flags = URB_ISO_ASAP |
@@ -2063,8 +2085,13 @@
 		if (!buf)
 			return -ENOMEM;
 	}
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 12)
 	err = usb_control_msg(dev, pipe, request, requesttype,
 			      value, index, buf, size, timeout);
+#else
+	err = usb_control_msg(dev, pipe, request, requesttype,
+			      value, index, buf, size, timeout * HZ / 1000);
+#endif
 	if (size > 0) {
 		memcpy(data, buf, size);
 		kfree(buf);
@@ -2077,6 +2104,7 @@
  * entry point for linux usb interface
  */
 
+#ifndef OLD_USB
 static int usb_audio_probe(struct usb_interface *intf,
 			   const struct usb_device_id *id);
 static void usb_audio_disconnect(struct usb_interface *intf);
@@ -2088,6 +2116,7 @@
 #define usb_audio_suspend NULL
 #define usb_audio_resume NULL
 #endif
+#endif
 
 static struct usb_device_id usb_audio_ids [] = {
 #include "usbquirks.h"
@@ -2100,11 +2129,19 @@
 MODULE_DEVICE_TABLE (usb, usb_audio_ids);
 
 static struct usb_driver usb_audio_driver = {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 70) && LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)	/* FIXME: find right number */
+	.owner =	THIS_MODULE,
+#endif
 	.name =		"snd-usb-audio",
 	.probe =	usb_audio_probe,
 	.disconnect =	usb_audio_disconnect,
+#ifndef OLD_USB
 	.suspend =	usb_audio_suspend,
 	.resume =	usb_audio_resume,
+#endif
+#ifdef OLD_USB
+	.driver_list =	LIST_HEAD_INIT(usb_audio_driver.driver_list), 
+#endif
 	.id_table =	usb_audio_ids,
 };
 
@@ -2690,7 +2727,11 @@
 		    (altsd->bInterfaceSubClass != USB_SUBCLASS_AUDIO_STREAMING &&
 		     altsd->bInterfaceSubClass != USB_SUBCLASS_VENDOR_SPEC) ||
 		    altsd->bNumEndpoints < 1 ||
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 11)
 		    le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize) == 0)
+#else
+		    get_endpoint(alts, 0)->wMaxPacketSize == 0)
+#endif
 			continue;
 		/* must be isochronous */
 		if ((get_endpoint(alts, 0)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) !=
@@ -2744,7 +2785,11 @@
 		if (fmt[4] == 1 && fmt[5] == 2 && altno == 2 && num == 3 &&
 		    fp && fp->altsetting == 1 && fp->channels == 1 &&
 		    fp->format == SNDRV_PCM_FORMAT_S16_LE &&
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 11)
 		    le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize) ==
+#else
+		    get_endpoint(alts, 0)->wMaxPacketSize ==
+#endif
 							fp->maxpacksize * 2)
 			continue;
 
@@ -2771,7 +2816,11 @@
 		fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
 		fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
 		fp->datainterval = 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
 		if (snd_usb_get_speed(dev) == USB_SPEED_HIGH)
 			fp->maxpacksize = (((fp->maxpacksize >> 11) & 3) + 1)
 					* (fp->maxpacksize & 0x7ff);
@@ -2965,7 +3014,11 @@
 	}
 	alts = &iface->altsetting[fp->altset_idx];
 	fp->datainterval = 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);
 	init_usb_pitch(chip->dev, fp->iface, alts, fp);
 	init_usb_sample_rate(chip->dev, fp->iface, alts, fp, fp->rate_max);
@@ -3059,7 +3112,11 @@
 	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:
@@ -3127,7 +3184,11 @@
 	fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
 	fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
 	fp->datainterval = 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
 	fp->rate_max = fp->rate_min = combine_triple(&alts->extra[8]);
 
 	stream = (fp->endpoint & USB_DIR_IN)
@@ -3192,8 +3253,13 @@
 	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),
@@ -3205,8 +3271,13 @@
 		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;
@@ -3214,6 +3285,8 @@
 
 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,
@@ -3225,6 +3298,7 @@
 				1, 2000, NULL, 0, 1000);
 		return -ENODEV;
 	}
+#endif
 	return 0;
 }
 
@@ -3452,8 +3526,13 @@
 	chip->index = idx;
 	chip->dev = dev;
 	chip->card = card;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 11)
 	chip->usb_id = USB_ID(le16_to_cpu(dev->descriptor.idVendor),
 			      le16_to_cpu(dev->descriptor.idProduct));
+#else
+	chip->usb_id = USB_ID(dev->descriptor.idVendor,
+			      dev->descriptor.idProduct);
+#endif
 	INIT_LIST_HEAD(&chip->pcm_list);
 	INIT_LIST_HEAD(&chip->midi_list);
 	INIT_LIST_HEAD(&chip->mixer_list);
@@ -3540,8 +3619,12 @@
 
 	alts = &intf->altsetting[0];
 	ifnum = get_iface_desc(alts)->bInterfaceNumber;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 11)
 	id = USB_ID(le16_to_cpu(dev->descriptor.idVendor),
 		    le16_to_cpu(dev->descriptor.idProduct));
+#else
+	id = USB_ID(dev->descriptor.idVendor, dev->descriptor.idProduct);
+#endif
 
 	if (quirk && quirk->ifnum >= 0 && ifnum != quirk->ifnum)
 		goto __err_val;
@@ -3680,6 +3763,7 @@
 	}
 }
 
+#ifndef OLD_USB
 /*
  * new 2.5 USB kernel API
  */
@@ -3740,6 +3824,7 @@
 	return 0;
 }
 #endif		/* CONFIG_PM */
+#endif	/* OLD_USB */
 
 static int __init snd_usb_audio_init(void)
 {
@@ -3758,3 +3843,5 @@
 
 module_init(snd_usb_audio_init);
 module_exit(snd_usb_audio_cleanup);
+
+#include "usbaudio.inc1"