Automatic merge with /usr/src/ntfs-2.6.git.

21 files changed, 301 insertions, 254 deletions

diff --git a/sound/core/control.c b/sound/core/control.c
index f4ea6bff1dd..227f3cf0277 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -215,7 +215,7 @@ snd_kcontrol_t *snd_ctl_new(snd_kcontrol_t * control, unsigned int access)
  *
  * Returns the pointer of the newly generated instance, or NULL on failure.
  */
-snd_kcontrol_t *snd_ctl_new1(snd_kcontrol_new_t * ncontrol, void *private_data)
+snd_kcontrol_t *snd_ctl_new1(const snd_kcontrol_new_t * ncontrol, void *private_data)
 {
 	snd_kcontrol_t kctl;
 	unsigned int access;
@@ -1102,7 +1102,7 @@ static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg
 		}
 	}
 	up_read(&snd_ioctl_rwsem);
-	snd_printd("unknown ioctl = 0x%x\n", cmd);
+	snd_printdd("unknown ioctl = 0x%x\n", cmd);
 	return -ENOTTY;
 }
 
diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c
index 344a83fd7c2..dbc23e35fa0 100644
--- a/sound/core/memalloc.c
+++ b/sound/core/memalloc.c
@@ -28,6 +28,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/mm.h>
+#include <asm/uaccess.h>
 #include <linux/dma-mapping.h>
 #include <linux/moduleparam.h>
 #include <asm/semaphore.h>
@@ -46,13 +47,6 @@ MODULE_LICENSE("GPL");
 #define SNDRV_CARDS	8
 #endif
 
-/* FIXME: so far only some PCI devices have the preallocation table */
-#ifdef CONFIG_PCI
-static int enable[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 1};
-module_param_array(enable, bool, NULL, 0444);
-MODULE_PARM_DESC(enable, "Enable cards to allocate buffers.");
-#endif
-
 /*
  */
 
@@ -451,9 +445,13 @@ size_t snd_dma_get_reserved_buf(struct snd_dma_buffer *dmab, unsigned int id)
 	list_for_each(p, &mem_list_head) {
 		mem = list_entry(p, struct snd_mem_list, list);
 		if (mem->id == id &&
-		    ! memcmp(&mem->buffer.dev, &dmab->dev, sizeof(dmab->dev))) {
+		    (mem->buffer.dev.dev == NULL || dmab->dev.dev == NULL ||
+		     ! memcmp(&mem->buffer.dev, &dmab->dev, sizeof(dmab->dev)))) {
+			struct device *dev = dmab->dev.dev;
 			list_del(p);
 			*dmab = mem->buffer;
+			if (dmab->dev.dev == NULL)
+				dmab->dev.dev = dev;
 			kfree(mem);
 			up(&list_mutex);
 			return dmab->bytes;
@@ -508,91 +506,13 @@ static void free_all_reserved_pages(void)
 }
 
 
-
-/*
- * allocation of buffers for pre-defined devices
- */
-
-#ifdef CONFIG_PCI
-/* FIXME: for pci only - other bus? */
-struct prealloc_dev {
-	unsigned short vendor;
-	unsigned short device;
-	unsigned long dma_mask;
-	unsigned int size;
-	unsigned int buffers;
-};
-
-#define HAMMERFALL_BUFFER_SIZE    (16*1024*4*(26+1)+0x10000)
-
-static struct prealloc_dev prealloc_devices[] __initdata = {
-	{
-		/* hammerfall */
-		.vendor = 0x10ee,
-		.device = 0x3fc4,
-		.dma_mask = 0xffffffff,
-		.size = HAMMERFALL_BUFFER_SIZE,
-		.buffers = 2
-	},
-	{
-		/* HDSP */
-		.vendor = 0x10ee,
-		.device = 0x3fc5,
-		.dma_mask = 0xffffffff,
-		.size = HAMMERFALL_BUFFER_SIZE,
-		.buffers = 2
-	},
-	{ }, /* terminator */
-};
-
-static void __init preallocate_cards(void)
-{
-	struct pci_dev *pci = NULL;
-	int card;
-
-	card = 0;
-
-	while ((pci = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, pci)) != NULL) {
-		struct prealloc_dev *dev;
-		unsigned int i;
-		if (card >= SNDRV_CARDS)
-			break;
-		for (dev = prealloc_devices; dev->vendor; dev++) {
-			if (dev->vendor == pci->vendor && dev->device == pci->device)
-				break;
-		}
-		if (! dev->vendor)
-			continue;
-		if (! enable[card++]) {
-			printk(KERN_DEBUG "snd-page-alloc: skipping card %d, device %04x:%04x\n", card, pci->vendor, pci->device);
-			continue;
-		}
-			
-		if (pci_set_dma_mask(pci, dev->dma_mask) < 0 ||
-		    pci_set_consistent_dma_mask(pci, dev->dma_mask) < 0) {
-			printk(KERN_ERR "snd-page-alloc: cannot set DMA mask %lx for pci %04x:%04x\n", dev->dma_mask, dev->vendor, dev->device);
-			continue;
-		}
-		for (i = 0; i < dev->buffers; i++) {
-			struct snd_dma_buffer dmab;
-			memset(&dmab, 0, sizeof(dmab));
-			if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
-						dev->size, &dmab) < 0)
-				printk(KERN_WARNING "snd-page-alloc: cannot allocate buffer pages (size = %d)\n", dev->size);
-			else
-				snd_dma_reserve_buf(&dmab, snd_dma_pci_buf_id(pci));
-		}
-	}
-}
-#else
-#define preallocate_cards()	/* NOP */
-#endif
-
-
 #ifdef CONFIG_PROC_FS
 /*
  * proc file interface
  */
+#define SND_MEM_PROC_FILE	"driver/snd-page-alloc"
+struct proc_dir_entry *snd_mem_proc;
+
 static int snd_mem_proc_read(char *page, char **start, off_t off,
 			     int count, int *eof, void *data)
 {
@@ -621,6 +541,97 @@ static int snd_mem_proc_read(char *page, char **start, off_t off,
 	up(&list_mutex);
 	return len;
 }
+
+/* FIXME: for pci only - other bus? */
+#ifdef CONFIG_PCI
+#define gettoken(bufp) strsep(bufp, " \t\n")
+
+static int snd_mem_proc_write(struct file *file, const char __user *buffer,
+			      unsigned long count, void *data)
+{
+	char buf[128];
+	char *token, *p;
+
+	if (count > ARRAY_SIZE(buf) - 1)
+		count = ARRAY_SIZE(buf) - 1;
+	if (copy_from_user(buf, buffer, count))
+		return -EFAULT;
+	buf[ARRAY_SIZE(buf) - 1] = '\0';
+
+	p = buf;
+	token = gettoken(&p);
+	if (! token || *token == '#')
+		return (int)count;
+	if (strcmp(token, "add") == 0) {
+		char *endp;
+		int vendor, device, size, buffers;
+		long mask;
+		int i, alloced;
+		struct pci_dev *pci;
+
+		if ((token = gettoken(&p)) == NULL ||
+		    (vendor = simple_strtol(token, NULL, 0)) <= 0 ||
+		    (token = gettoken(&p)) == NULL ||
+		    (device = simple_strtol(token, NULL, 0)) <= 0 ||
+		    (token = gettoken(&p)) == NULL ||
+		    (mask = simple_strtol(token, NULL, 0)) < 0 ||
+		    (token = gettoken(&p)) == NULL ||
+		    (size = memparse(token, &endp)) < 64*1024 ||
+		    size > 16*1024*1024 /* too big */ ||
+		    (token = gettoken(&p)) == NULL ||
+		    (buffers = simple_strtol(token, NULL, 0)) <= 0 ||
+		    buffers > 4) {
+			printk(KERN_ERR "snd-page-alloc: invalid proc write format\n");
+			return (int)count;
+		}
+		vendor &= 0xffff;
+		device &= 0xffff;
+
+		alloced = 0;
+		pci = NULL;
+		while ((pci = pci_find_device(vendor, device, pci)) != NULL) {
+			if (mask > 0 && mask < 0xffffffff) {
+				if (pci_set_dma_mask(pci, mask) < 0 ||
+				    pci_set_consistent_dma_mask(pci, mask) < 0) {
+					printk(KERN_ERR "snd-page-alloc: cannot set DMA mask %lx for pci %04x:%04x\n", mask, vendor, device);
+					return (int)count;
+				}
+			}
+			for (i = 0; i < buffers; i++) {
+				struct snd_dma_buffer dmab;
+				memset(&dmab, 0, sizeof(dmab));
+				if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
+							size, &dmab) < 0) {
+					printk(KERN_ERR "snd-page-alloc: cannot allocate buffer pages (size = %d)\n", size);
+					return (int)count;
+				}
+				snd_dma_reserve_buf(&dmab, snd_dma_pci_buf_id(pci));
+			}
+			alloced++;
+		}
+		if (! alloced) {
+			for (i = 0; i < buffers; i++) {
+				struct snd_dma_buffer dmab;
+				memset(&dmab, 0, sizeof(dmab));
+				/* FIXME: We can allocate only in ZONE_DMA
+				 * without a device pointer!
+				 */
+				if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, NULL,
+							size, &dmab) < 0) {
+					printk(KERN_ERR "snd-page-alloc: cannot allocate buffer pages (size = %d)\n", size);
+					break;
+				}
+				snd_dma_reserve_buf(&dmab, (unsigned int)((vendor << 16) | device));
+			}
+		}
+	} else if (strcmp(token, "erase") == 0)
+		/* FIXME: need for releasing each buffer chunk? */
+		free_all_reserved_pages();
+	else
+		printk(KERN_ERR "snd-page-alloc: invalid proc cmd\n");
+	return (int)count;
+}
+#endif /* CONFIG_PCI */
 #endif /* CONFIG_PROC_FS */
 
 /*
@@ -630,15 +641,21 @@ static int snd_mem_proc_read(char *page, char **start, off_t off,
 static int __init snd_mem_init(void)
 {
 #ifdef CONFIG_PROC_FS
-	create_proc_read_entry("driver/snd-page-alloc", 0, NULL, snd_mem_proc_read, NULL);
+	snd_mem_proc = create_proc_entry(SND_MEM_PROC_FILE, 0644, NULL);
+	if (snd_mem_proc) {
+		snd_mem_proc->read_proc = snd_mem_proc_read;
+#ifdef CONFIG_PCI
+		snd_mem_proc->write_proc = snd_mem_proc_write;
+#endif
+	}
 #endif
-	preallocate_cards();
 	return 0;
 }
 
 static void __exit snd_mem_exit(void)
 {
-	remove_proc_entry("driver/snd-page-alloc", NULL);
+	if (snd_mem_proc)
+		remove_proc_entry(SND_MEM_PROC_FILE, NULL);
 	free_all_reserved_pages();
 	if (snd_allocated_pages > 0)
 		printk(KERN_ERR "snd-malloc: Memory leak?  pages not freed = %li\n", snd_allocated_pages);
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 1a805020f57..cab30977e7c 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -125,17 +125,26 @@ int snd_pcm_plugin_append(snd_pcm_plugin_t *plugin)
 static long snd_pcm_oss_bytes(snd_pcm_substream_t *substream, long frames)
 {
 	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_pcm_uframes_t buffer_size = snd_pcm_lib_buffer_bytes(substream);
-	frames = frames_to_bytes(runtime, frames);
+	long buffer_size = snd_pcm_lib_buffer_bytes(substream);
+	long bytes = frames_to_bytes(runtime, frames);
 	if (buffer_size == runtime->oss.buffer_bytes)
-		return frames;
-	return (runtime->oss.buffer_bytes * frames) / buffer_size;
+		return bytes;
+#if BITS_PER_LONG >= 64
+	return runtime->oss.buffer_bytes * bytes / buffer_size;
+#else
+	{
+		u64 bsize = (u64)runtime->oss.buffer_bytes * (u64)bytes;
+		u32 rem;
+		div64_32(&bsize, buffer_size, &rem);
+		return (long)bsize;
+	}
+#endif
 }
 
 static long snd_pcm_alsa_frames(snd_pcm_substream_t *substream, long bytes)
 {
 	snd_pcm_runtime_t *runtime = substream->runtime;
-	snd_pcm_uframes_t buffer_size = snd_pcm_lib_buffer_bytes(substream);
+	long buffer_size = snd_pcm_lib_buffer_bytes(substream);
 	if (buffer_size == runtime->oss.buffer_bytes)
 		return bytes_to_frames(runtime, bytes);
 	return bytes_to_frames(runtime, (buffer_size * bytes) / runtime->oss.buffer_bytes);
@@ -464,7 +473,8 @@ static int snd_pcm_oss_change_params(snd_pcm_substream_t *substream)
 	sw_params->tstamp_mode = SNDRV_PCM_TSTAMP_NONE;
 	sw_params->period_step = 1;
 	sw_params->sleep_min = 0;
-	sw_params->avail_min = 1;
+	sw_params->avail_min = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
+		1 : runtime->period_size;
 	sw_params->xfer_align = 1;
 	if (atomic_read(&runtime->mmap_count) ||
 	    (substream->oss.setup && substream->oss.setup->nosilence)) {
@@ -1527,12 +1537,15 @@ static int snd_pcm_oss_get_ptr(snd_pcm_oss_file_t *pcm_oss_file, int stream, str
 			snd_pcm_oss_simulate_fill(substream, delay);
 		info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX;
 	} else {
-		delay = snd_pcm_oss_bytes(substream, delay) + fixup;
-		info.blocks = delay / runtime->oss.period_bytes;
-		if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+		delay = snd_pcm_oss_bytes(substream, delay);
+		if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+			info.blocks = (runtime->oss.buffer_bytes - delay - fixup) / runtime->oss.period_bytes;
 			info.bytes = (runtime->oss.bytes - delay) & INT_MAX;
-		else
+		} else {
+			delay += fixup;
+			info.blocks = delay / runtime->oss.period_bytes;
 			info.bytes = (runtime->oss.bytes + delay) & INT_MAX;
+		}
 	}
 	if (copy_to_user(_info, &info, sizeof(info)))
 		return -EFAULT;
diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
index 6bb31009f0b..6430410c6c0 100644
--- a/sound/core/oss/pcm_plugin.c
+++ b/sound/core/oss/pcm_plugin.c
@@ -663,10 +663,7 @@ static int snd_pcm_plug_playback_channels_mask(snd_pcm_plug_t *plug,
 		bitset_t *dstmask = bs;
 		int err;
 		bitset_one(dstmask, schannels);
-		if (plugin == NULL) {
-			bitset_and(client_vmask, dstmask, schannels);
-			return 0;
-		}
+
 		while (1) {
 			err = plugin->src_channels_mask(plugin, dstmask, &srcmask);
 			if (err < 0)
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 8d94325529a..9f4c9209b27 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -451,6 +451,7 @@ static int snd_pcm_stream_proc_init(snd_pcm_str_t *pstr)
 		entry->c.text.read = snd_pcm_xrun_debug_read;
 		entry->c.text.write_size = 64;
 		entry->c.text.write = snd_pcm_xrun_debug_write;
+		entry->mode |= S_IWUSR;
 		entry->private_data = pstr;
 		if (snd_info_register(entry) < 0) {
 			snd_info_free_entry(entry);
@@ -1048,7 +1049,6 @@ EXPORT_SYMBOL(snd_pcm_release_substream);
 EXPORT_SYMBOL(snd_pcm_format_name);
   /* pcm_native.c */
 EXPORT_SYMBOL(snd_pcm_link_rwlock);
-EXPORT_SYMBOL(snd_pcm_start);
 #ifdef CONFIG_PM
 EXPORT_SYMBOL(snd_pcm_suspend);
 EXPORT_SYMBOL(snd_pcm_suspend_all);
@@ -1068,6 +1068,7 @@ EXPORT_SYMBOL(snd_pcm_format_little_endian);
 EXPORT_SYMBOL(snd_pcm_format_big_endian);
 EXPORT_SYMBOL(snd_pcm_format_width);
 EXPORT_SYMBOL(snd_pcm_format_physical_width);
+EXPORT_SYMBOL(snd_pcm_format_size);
 EXPORT_SYMBOL(snd_pcm_format_silence_64);
 EXPORT_SYMBOL(snd_pcm_format_set_silence);
 EXPORT_SYMBOL(snd_pcm_build_linear_format);
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 151fd99ca2c..c5bfd0918cf 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1143,7 +1143,8 @@ int snd_pcm_hw_constraint_pow2(snd_pcm_runtime_t *runtime,
 #define INT_MIN ((int)((unsigned int)INT_MAX+1))
 #endif
 
-void _snd_pcm_hw_param_any(snd_pcm_hw_params_t *params, snd_pcm_hw_param_t var)
+static void _snd_pcm_hw_param_any(snd_pcm_hw_params_t *params,
+				  snd_pcm_hw_param_t var)
 {
 	if (hw_is_mask(var)) {
 		snd_mask_any(hw_param_mask(params, var));
@@ -1160,6 +1161,7 @@ void _snd_pcm_hw_param_any(snd_pcm_hw_params_t *params, snd_pcm_hw_param_t var)
 	snd_BUG();
 }
 
+#if 0
 /**
  * snd_pcm_hw_param_any
  */
@@ -1169,6 +1171,7 @@ int snd_pcm_hw_param_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
 	_snd_pcm_hw_param_any(params, var);
 	return snd_pcm_hw_refine(pcm, params);
 }
+#endif  /*  0  */
 
 void _snd_pcm_hw_params_any(snd_pcm_hw_params_t *params)
 {
@@ -1181,6 +1184,7 @@ void _snd_pcm_hw_params_any(snd_pcm_hw_params_t *params)
 	params->info = ~0U;
 }
 
+#if 0
 /**
  * snd_pcm_hw_params_any
  *
@@ -1191,6 +1195,7 @@ int snd_pcm_hw_params_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
 	_snd_pcm_hw_params_any(params);
 	return snd_pcm_hw_refine(pcm, params);
 }
+#endif  /*  0  */
 
 /**
  * snd_pcm_hw_param_value
@@ -1198,8 +1203,8 @@ int snd_pcm_hw_params_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
  * Return the value for field PAR if it's fixed in configuration space 
  *  defined by PARAMS. Return -EINVAL otherwise
  */
-int snd_pcm_hw_param_value(const snd_pcm_hw_params_t *params,
-			   snd_pcm_hw_param_t var, int *dir)
+static int snd_pcm_hw_param_value(const snd_pcm_hw_params_t *params,
+				  snd_pcm_hw_param_t var, int *dir)
 {
 	if (hw_is_mask(var)) {
 		const snd_mask_t *mask = hw_param_mask_c(params, var);
@@ -1296,6 +1301,7 @@ int _snd_pcm_hw_param_setinteger(snd_pcm_hw_params_t *params,
 	return changed;
 }
 	
+#if 0
 /**
  * snd_pcm_hw_param_setinteger
  *
@@ -1317,9 +1323,10 @@ int snd_pcm_hw_param_setinteger(snd_pcm_t *pcm,
 	}
 	return 0;
 }
+#endif  /*  0  */
 
-int _snd_pcm_hw_param_first(snd_pcm_hw_params_t *params,
-			    snd_pcm_hw_param_t var)
+static int _snd_pcm_hw_param_first(snd_pcm_hw_params_t *params,
+				   snd_pcm_hw_param_t var)
 {
 	int changed;
 	if (hw_is_mask(var))
@@ -1345,9 +1352,9 @@ int _snd_pcm_hw_param_first(snd_pcm_hw_params_t *params,
  * values > minimum. Reduce configuration space accordingly.
  * Return the minimum.
  */
-int snd_pcm_hw_param_first(snd_pcm_t *pcm, 
-			   snd_pcm_hw_params_t *params, 
-			   snd_pcm_hw_param_t var, int *dir)
+static int snd_pcm_hw_param_first(snd_pcm_t *pcm, 
+				  snd_pcm_hw_params_t *params, 
+				  snd_pcm_hw_param_t var, int *dir)
 {
 	int changed = _snd_pcm_hw_param_first(params, var);
 	if (changed < 0)
@@ -1359,8 +1366,8 @@ int snd_pcm_hw_param_first(snd_pcm_t *pcm,
 	return snd_pcm_hw_param_value(params, var, dir);
 }
 
-int _snd_pcm_hw_param_last(snd_pcm_hw_params_t *params,
-			   snd_pcm_hw_param_t var)
+static int _snd_pcm_hw_param_last(snd_pcm_hw_params_t *params,
+				  snd_pcm_hw_param_t var)
 {
 	int changed;
 	if (hw_is_mask(var))
@@ -1386,9 +1393,9 @@ int _snd_pcm_hw_param_last(snd_pcm_hw_params_t *params,
  * values < maximum. Reduce configuration space accordingly.
  * Return the maximum.
  */
-int snd_pcm_hw_param_last(snd_pcm_t *pcm, 
-			  snd_pcm_hw_params_t *params,
-			  snd_pcm_hw_param_t var, int *dir)
+static int snd_pcm_hw_param_last(snd_pcm_t *pcm, 
+				 snd_pcm_hw_params_t *params,
+				 snd_pcm_hw_param_t var, int *dir)
 {
 	int changed = _snd_pcm_hw_param_last(params, var);
 	if (changed < 0)
@@ -1437,8 +1444,9 @@ int _snd_pcm_hw_param_min(snd_pcm_hw_params_t *params,
  * values < VAL. Reduce configuration space accordingly.
  * Return new minimum or -EINVAL if the configuration space is empty
  */
-int snd_pcm_hw_param_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
-			 snd_pcm_hw_param_t var, unsigned int val, int *dir)
+static int snd_pcm_hw_param_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+				snd_pcm_hw_param_t var, unsigned int val,
+				int *dir)
 {
 	int changed = _snd_pcm_hw_param_min(params, var, val, dir ? *dir : 0);
 	if (changed < 0)
@@ -1451,8 +1459,9 @@ int snd_pcm_hw_param_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
 	return snd_pcm_hw_param_value_min(params, var, dir);
 }
 
-int _snd_pcm_hw_param_max(snd_pcm_hw_params_t *params,
-			   snd_pcm_hw_param_t var, unsigned int val, int dir)
+static int _snd_pcm_hw_param_max(snd_pcm_hw_params_t *params,
+				 snd_pcm_hw_param_t var, unsigned int val,
+				 int dir)
 {
 	int changed;
 	int open = 0;
@@ -1490,8 +1499,9 @@ int _snd_pcm_hw_param_max(snd_pcm_hw_params_t *params,
  *  values >= VAL + 1. Reduce configuration space accordingly.
  *  Return new maximum or -EINVAL if the configuration space is empty
  */
-int snd_pcm_hw_param_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
-			  snd_pcm_hw_param_t var, unsigned int val, int *dir)
+static int snd_pcm_hw_param_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+				snd_pcm_hw_param_t var, unsigned int val,
+				int *dir)
 {
 	int changed = _snd_pcm_hw_param_max(params, var, val, dir ? *dir : 0);
 	if (changed < 0)
@@ -2564,9 +2574,6 @@ snd_pcm_sframes_t snd_pcm_lib_readv(snd_pcm_substream_t *substream,
 EXPORT_SYMBOL(snd_interval_refine);
 EXPORT_SYMBOL(snd_interval_list);
 EXPORT_SYMBOL(snd_interval_ratnum);
-EXPORT_SYMBOL(snd_interval_muldivk);
-EXPORT_SYMBOL(snd_interval_mulkdiv);
-EXPORT_SYMBOL(snd_interval_div);
 EXPORT_SYMBOL(_snd_pcm_hw_params_any);
 EXPORT_SYMBOL(_snd_pcm_hw_param_min);
 EXPORT_SYMBOL(_snd_pcm_hw_param_set);
@@ -2580,7 +2587,6 @@ EXPORT_SYMBOL(snd_pcm_hw_param_last);
 EXPORT_SYMBOL(snd_pcm_hw_param_near);
 EXPORT_SYMBOL(snd_pcm_hw_param_set);
 EXPORT_SYMBOL(snd_pcm_hw_refine);
-EXPORT_SYMBOL(snd_pcm_hw_params);
 EXPORT_SYMBOL(snd_pcm_hw_constraints_init);
 EXPORT_SYMBOL(snd_pcm_hw_constraints_complete);
 EXPORT_SYMBOL(snd_pcm_hw_constraint_list);
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
index f1d5f7a6ee0..9a174fb9656 100644
--- a/sound/core/pcm_memory.c
+++ b/sound/core/pcm_memory.c
@@ -204,6 +204,7 @@ static int snd_pcm_lib_preallocate_pages1(snd_pcm_substream_t *substream,
 		entry->c.text.read = snd_pcm_lib_preallocate_proc_read;
 		entry->c.text.write_size = 64;
 		entry->c.text.write = snd_pcm_lib_preallocate_proc_write;
+		entry->mode |= S_IWUSR;
 		entry->private_data = substream;
 		if (snd_info_register(entry) < 0) {
 			snd_info_free_entry(entry);
diff --git a/sound/core/pcm_misc.c b/sound/core/pcm_misc.c
index 422b8db1415..1453743e4da 100644
--- a/sound/core/pcm_misc.c
+++ b/sound/core/pcm_misc.c
@@ -270,22 +270,6 @@ int snd_pcm_format_big_endian(snd_pcm_format_t format)
 }
 
 /**
- * snd_pcm_format_cpu_endian - Check the PCM format is CPU-endian
- * @format: the format to check
- *
- * Returns 1 if the given PCM format is CPU-endian, 0 if
- * opposite, or a negative error code if endian not specified.
- */
-int snd_pcm_format_cpu_endian(snd_pcm_format_t format)
-{
-#ifdef SNDRV_LITTLE_ENDIAN
-	return snd_pcm_format_little_endian(format);
-#else
-	return snd_pcm_format_big_endian(format);
-#endif
-}
-
-/**
  * snd_pcm_format_width - return the bit-width of the format
  * @format: the format to check
  *
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index cad9bbde998..10c2c983264 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -337,8 +337,8 @@ out:
 	return err;
 }
 
-int snd_pcm_hw_params(snd_pcm_substream_t *substream,
-		      snd_pcm_hw_params_t *params)
+static int snd_pcm_hw_params(snd_pcm_substream_t *substream,
+			     snd_pcm_hw_params_t *params)
 {
 	snd_pcm_runtime_t *runtime;
 	int err;
@@ -1368,43 +1368,32 @@ static int snd_pcm_drain(snd_pcm_substream_t *substream)
 	if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
 		return -EBADFD;
 
-	down_read(&snd_pcm_link_rwsem);
 	snd_power_lock(card);
 	if (runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {
 		result = snd_power_wait(card, SNDRV_CTL_POWER_D0, substream->ffile);
-		if (result < 0)
-			goto _unlock;
+		if (result < 0) {
+			snd_power_unlock(card);
+			return result;
+		}
 	}
 
 	/* allocate temporary record for drain sync */
+	down_read(&snd_pcm_link_rwsem);
 	if (snd_pcm_stream_linked(substream)) {
 		drec = kmalloc(substream->group->count * sizeof(*drec), GFP_KERNEL);
 		if (! drec) {
-			result = -ENOMEM;
-			goto _unlock;
+			up_read(&snd_pcm_link_rwsem);
+			snd_power_unlock(card);
+			return -ENOMEM;
 		}
 	} else
 		drec = &drec_tmp;
 
-	snd_pcm_stream_lock_irq(substream);
-	/* resume pause */
-	if (runtime->status->state == SNDRV_PCM_STATE_PAUSED)
-		snd_pcm_pause(substream, 0);
-
-	/* pre-start/stop - all running streams are changed to DRAINING state */
-	result = snd_pcm_action(&snd_pcm_action_drain_init, substream, 0);
-	if (result < 0)
-		goto _end;
-
-	/* check streams with PLAYBACK & DRAINING */
+	/* count only playback streams */
 	num_drecs = 0;
 	snd_pcm_group_for_each(pos, substream) {
 		snd_pcm_substream_t *s = snd_pcm_group_substream_entry(pos);
 		runtime = s->runtime;
-		if (runtime->status->state != SNDRV_PCM_STATE_DRAINING) {
-			runtime->status->state = SNDRV_PCM_STATE_SETUP;
-			continue;
-		}
 		if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 			d = &drec[num_drecs++];
 			d->substream = s;
@@ -1418,9 +1407,21 @@ static int snd_pcm_drain(snd_pcm_substream_t *substream)
 				runtime->stop_threshold = runtime->buffer_size;
 		}
 	}
-
+	up_read(&snd_pcm_link_rwsem);
 	if (! num_drecs)
-		goto _end;
+		goto _error;
+
+	snd_pcm_stream_lock_irq(substream);
+	/* resume pause */
+	if (runtime->status->state == SNDRV_PCM_STATE_PAUSED)
+		snd_pcm_pause(substream, 0);
+
+	/* pre-start/stop - all running streams are changed to DRAINING state */
+	result = snd_pcm_action(&snd_pcm_action_drain_init, substream, 0);
+	if (result < 0) {
+		snd_pcm_stream_unlock_irq(substream);
+		goto _error;
+	}
 
 	for (;;) {
 		long tout;
@@ -1428,6 +1429,15 @@ static int snd_pcm_drain(snd_pcm_substream_t *substream)
 			result = -ERESTARTSYS;
 			break;
 		}
+		/* all finished? */
+		for (i = 0; i < num_drecs; i++) {
+			runtime = drec[i].substream->runtime;
+			if (runtime->status->state == SNDRV_PCM_STATE_DRAINING)
+				break;
+		}
+		if (i == num_drecs)
+			break; /* yes, all drained */
+
 		set_current_state(TASK_INTERRUPTIBLE);
 		snd_pcm_stream_unlock_irq(substream);
 		snd_power_unlock(card);
@@ -1444,15 +1454,11 @@ static int snd_pcm_drain(snd_pcm_substream_t *substream)
 			}
 			break;
 		}
-		/* all finished? */
-		for (i = 0; i < num_drecs; i++) {
-			runtime = drec[i].substream->runtime;
-			if (runtime->status->state == SNDRV_PCM_STATE_DRAINING)
-				break;
-		}
-		if (i == num_drecs)
-			break;
 	}
+
+	snd_pcm_stream_unlock_irq(substream);
+
+ _error:
 	for (i = 0; i < num_drecs; i++) {
 		d = &drec[i];
 		runtime = d->substream->runtime;
@@ -1460,13 +1466,9 @@ static int snd_pcm_drain(snd_pcm_substream_t *substream)
 		runtime->stop_threshold = d->stop_threshold;
 	}
 
- _end:
-	snd_pcm_stream_unlock_irq(substream);
 	if (drec != &drec_tmp)
 		kfree(drec);
- _unlock:
 	snd_power_unlock(card);
-	up_read(&snd_pcm_link_rwsem);
 
 	return result;
 }
diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c
index 638cc148706..1a7736cbf3a 100644
--- a/sound/core/seq/oss/seq_oss_synth.c
+++ b/sound/core/seq/oss/seq_oss_synth.c
@@ -325,14 +325,10 @@ snd_seq_oss_synth_cleanup(seq_oss_devinfo_t *dp)
 			}
 			snd_use_lock_free(&rec->use_lock);
 		}
-		if (info->sysex) {
-			kfree(info->sysex);
-			info->sysex = NULL;
-		}
-		if (info->ch) {
-			kfree(info->ch);
-			info->ch = NULL;
-		}
+		kfree(info->sysex);
+		info->sysex = NULL;
+		kfree(info->ch);
+		info->ch = NULL;
 	}
 	dp->synth_opened = 0;
 	dp->max_synthdev = 0;
@@ -418,14 +414,10 @@ snd_seq_oss_synth_reset(seq_oss_devinfo_t *dp, int dev)
 					  dp->file_mode) < 0) {
 			midi_synth_dev.opened--;
 			info->opened = 0;
-			if (info->sysex) {
-				kfree(info->sysex);
-				info->sysex = NULL;
-			}
-			if (info->ch) {
-				kfree(info->ch);
-				info->ch = NULL;
-			}
+			kfree(info->sysex);
+			info->sysex = NULL;
+			kfree(info->ch);
+			info->ch = NULL;
 		}
 		return;
 	}
diff --git a/sound/core/seq/seq_dummy.c b/sound/core/seq/seq_dummy.c
index e88967c5b93..ea945a5d2a0 100644
--- a/sound/core/seq/seq_dummy.c
+++ b/sound/core/seq/seq_dummy.c
@@ -140,10 +140,7 @@ dummy_input(snd_seq_event_t *ev, int direct, void *private_data, int atomic, int
 static void
 dummy_free(void *private_data)
 {
-	snd_seq_dummy_port_t *p;
-
-	p = private_data;
-	kfree(p);
+	kfree(private_data);
 }
 
 /*
diff --git a/sound/core/seq/seq_midi.c b/sound/core/seq/seq_midi.c
index 18247db45db..57be9155eb6 100644
--- a/sound/core/seq/seq_midi.c
+++ b/sound/core/seq/seq_midi.c
@@ -414,6 +414,8 @@ snd_seq_midisynth_register_port(snd_seq_device_t *dev)
 	if (newclient)
 		synths[card->number] = client;
 	up(&register_mutex);
+	kfree(info);
+	kfree(port);
 	return 0;	/* success */
 
       __nomem:
diff --git a/sound/core/seq/seq_midi_event.c b/sound/core/seq/seq_midi_event.c
index 21e569062bc..df1e2bb3974 100644
--- a/sound/core/seq/seq_midi_event.c
+++ b/sound/core/seq/seq_midi_event.c
@@ -171,11 +171,13 @@ void snd_midi_event_reset_decode(snd_midi_event_t *dev)
 	spin_unlock_irqrestore(&dev->lock, flags);
 }
 
+#if 0
 void snd_midi_event_init(snd_midi_event_t *dev)
 {
 	snd_midi_event_reset_encode(dev);
 	snd_midi_event_reset_decode(dev);
 }
+#endif  /*  0  */
 
 void snd_midi_event_no_status(snd_midi_event_t *dev, int on)
 {
@@ -185,6 +187,7 @@ void snd_midi_event_no_status(snd_midi_event_t *dev, int on)
 /*
  * resize buffer
  */
+#if 0
 int snd_midi_event_resize_buffer(snd_midi_event_t *dev, int bufsize)
 {
 	unsigned char *new_buf, *old_buf;
@@ -204,6 +207,7 @@ int snd_midi_event_resize_buffer(snd_midi_event_t *dev, int bufsize)
 	kfree(old_buf);
 	return 0;
 }
+#endif  /*  0  */
 
 /*
  *  read bytes and encode to sequencer event if finished
@@ -517,8 +521,6 @@ static int extra_decode_xrpn(snd_midi_event_t *dev, unsigned char *buf, int coun
  
 EXPORT_SYMBOL(snd_midi_event_new);
 EXPORT_SYMBOL(snd_midi_event_free);
-EXPORT_SYMBOL(snd_midi_event_resize_buffer);
-EXPORT_SYMBOL(snd_midi_event_init);
 EXPORT_SYMBOL(snd_midi_event_reset_encode);
 EXPORT_SYMBOL(snd_midi_event_reset_decode);
 EXPORT_SYMBOL(snd_midi_event_no_status);
diff --git a/sound/core/seq/seq_queue.c b/sound/core/seq/seq_queue.c
index 3afc7cc0c9a..98de2e711fd 100644
--- a/sound/core/seq/seq_queue.c
+++ b/sound/core/seq/seq_queue.c
@@ -672,7 +672,8 @@ static void queue_broadcast_event(queue_t *q, snd_seq_event_t *ev, int atomic, i
  * process a received queue-control event.
  * this function is exported for seq_sync.c.
  */
-void snd_seq_queue_process_event(queue_t *q, snd_seq_event_t *ev, int atomic, int hop)
+static void snd_seq_queue_process_event(queue_t *q, snd_seq_event_t *ev,
+					int atomic, int hop)
 {
 	switch (ev->type) {
 	case SNDRV_SEQ_EVENT_START:
diff --git a/sound/core/seq/seq_queue.h b/sound/core/seq/seq_queue.h
index b1bf5519fb3..ea3c54216ea 100644
--- a/sound/core/seq/seq_queue.h
+++ b/sound/core/seq/seq_queue.h
@@ -111,7 +111,6 @@ int snd_seq_queue_use(int queueid, int client, int use);
 int snd_seq_queue_is_used(int queueid, int client);
 
 int snd_seq_control_queue(snd_seq_event_t *ev, int atomic, int hop);
-void snd_seq_queue_process_event(queue_t *q, snd_seq_event_t *ev, int atomic, int hop);
 
 /*
  * 64bit division - for sync stuff..
diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c
index 753f1c0863c..a7f76fc9528 100644
--- a/sound/core/seq/seq_timer.c
+++ b/sound/core/seq/seq_timer.c
@@ -36,7 +36,8 @@ extern int seq_default_timer_resolution;
 
 #define SKEW_BASE	0x10000	/* 16bit shift */
 
-void snd_seq_timer_set_tick_resolution(seq_timer_tick_t *tick, int tempo, int ppq, int nticks)
+static void snd_seq_timer_set_tick_resolution(seq_timer_tick_t *tick,
+					      int tempo, int ppq, int nticks)
 {
 	if (tempo < 1000000)
 		tick->resolution = (tempo * 1000) / ppq;
diff --git a/sound/core/seq/seq_timer.h b/sound/core/seq/seq_timer.h
index 4c0872df893..287ed68591d 100644
--- a/sound/core/seq/seq_timer.h
+++ b/sound/core/seq/seq_timer.h
@@ -64,8 +64,6 @@ extern seq_timer_t *snd_seq_timer_new(void);
 /* delete timer (destructor) */
 extern void snd_seq_timer_delete(seq_timer_t **tmr);
 
-void snd_seq_timer_set_tick_resolution(seq_timer_tick_t *tick, int tempo, int ppq, int nticks);
-
 /* */
 static inline void snd_seq_timer_update_tick(seq_timer_tick_t *tick, unsigned long resolution)
 {
diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c
index 6b4e630ace5..a66484b5cf0 100644
--- a/sound/core/seq/seq_virmidi.c
+++ b/sound/core/seq/seq_virmidi.c
@@ -110,7 +110,7 @@ static int snd_virmidi_dev_receive_event(snd_virmidi_dev_t *rdev, snd_seq_event_
  * handler of a remote port which is attached to the virmidi via
  * SNDRV_VIRMIDI_SEQ_ATTACH.
  */
-/* exported */
+#if 0
 int snd_virmidi_receive(snd_rawmidi_t *rmidi, snd_seq_event_t *ev)
 {
 	snd_virmidi_dev_t *rdev;
@@ -118,6 +118,7 @@ int snd_virmidi_receive(snd_rawmidi_t *rmidi, snd_seq_event_t *ev)
 	rdev = rmidi->private_data;
 	return snd_virmidi_dev_receive_event(rdev, ev);
 }
+#endif  /*  0  */
 
 /*
  * event handler of virmidi port
@@ -384,7 +385,7 @@ static int snd_virmidi_dev_attach_seq(snd_virmidi_dev_t *rdev)
 	info->client = client;
 	info->type = KERNEL_CLIENT;
 	sprintf(info->name, "%s %d-%d", rdev->rmidi->name, rdev->card->number, rdev->device);
-	snd_seq_kernel_client_ctl(client, SNDRV_SEQ_IOCTL_SET_CLIENT_INFO, &info);
+	snd_seq_kernel_client_ctl(client, SNDRV_SEQ_IOCTL_SET_CLIENT_INFO, info);
 
 	/* create a port */
 	memset(pinfo, 0, sizeof(*pinfo));
@@ -405,7 +406,7 @@ static int snd_virmidi_dev_attach_seq(snd_virmidi_dev_t *rdev)
 	pcallbacks.unuse = snd_virmidi_unuse;
 	pcallbacks.event_input = snd_virmidi_event_input;
 	pinfo->kernel = &pcallbacks;
-	err = snd_seq_kernel_client_ctl(client, SNDRV_SEQ_IOCTL_CREATE_PORT, &pinfo);
+	err = snd_seq_kernel_client_ctl(client, SNDRV_SEQ_IOCTL_CREATE_PORT, pinfo);
 	if (err < 0) {
 		snd_seq_delete_kernel_client(client);
 		rdev->client = -1;
@@ -548,4 +549,3 @@ module_init(alsa_virmidi_init)
 module_exit(alsa_virmidi_exit)
 
 EXPORT_SYMBOL(snd_virmidi_new);
-EXPORT_SYMBOL(snd_virmidi_receive);
diff --git a/sound/core/sound.c b/sound/core/sound.c
index 88e052079f8..0815fadeb3e 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -64,7 +64,7 @@ static struct list_head snd_minors_hash[SNDRV_CARDS];
 
 static DECLARE_MUTEX(sound_mutex);
 
-extern struct class_simple *sound_class;
+extern struct class *sound_class;
 
 
 #ifdef CONFIG_KMOD
@@ -231,7 +231,7 @@ int snd_register_device(int type, snd_card_t * card, int dev, snd_minor_t * reg,
 		devfs_mk_cdev(MKDEV(major, minor), S_IFCHR | device_mode, "snd/%s", name);
 	if (card)
 		device = card->dev;
-	class_simple_device_add(sound_class, MKDEV(major, minor), device, name);
+	class_device_create(sound_class, MKDEV(major, minor), device, "%s", name);
 
 	up(&sound_mutex);
 	return 0;
@@ -263,7 +263,7 @@ int snd_unregister_device(int type, snd_card_t * card, int dev)
 
 	if (strncmp(mptr->name, "controlC", 8) || card->number >= cards_limit) /* created in sound.c */
 		devfs_remove("snd/%s", mptr->name);
-	class_simple_device_remove(MKDEV(major, minor));
+	class_device_destroy(sound_class, MKDEV(major, minor));
 
 	list_del(&mptr->list);
 	up(&sound_mutex);
@@ -431,7 +431,6 @@ EXPORT_SYMBOL(snd_card_pci_resume);
 EXPORT_SYMBOL(snd_device_new);
 EXPORT_SYMBOL(snd_device_register);
 EXPORT_SYMBOL(snd_device_free);
-EXPORT_SYMBOL(snd_device_free_all);
   /* isadma.c */
 #ifdef CONFIG_ISA
 EXPORT_SYMBOL(snd_dma_program);
diff --git a/sound/core/timer.c b/sound/core/timer.c
index fa762ca439b..b498e5482d7 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -69,6 +69,7 @@ typedef struct {
 	struct timespec tstamp;		/* trigger tstamp */
 	wait_queue_head_t qchange_sleep;
 	struct fasync_struct *fasync;
+	struct semaphore tread_sem;
 } snd_timer_user_t;
 
 /* list of timers */
@@ -844,7 +845,7 @@ int snd_timer_dev_register(snd_device_t *dev)
 	return 0;
 }
 
-int snd_timer_unregister(snd_timer_t *timer)
+static int snd_timer_unregister(snd_timer_t *timer)
 {
 	struct list_head *p, *n;
 	snd_timer_instance_t *ti;
@@ -945,11 +946,6 @@ struct snd_timer_system_private {
 	unsigned long correction;
 };
 
-unsigned int snd_timer_system_resolution(void)
-{
-	return 1000000000L / HZ;
-}
-
 static void snd_timer_s_function(unsigned long data)
 {
 	snd_timer_t *timer = (snd_timer_t *)data;
@@ -1208,6 +1204,7 @@ static int snd_timer_user_open(struct inode *inode, struct file *file)
 		return -ENOMEM;
 	spin_lock_init(&tu->qlock);
 	init_waitqueue_head(&tu->qchange_sleep);
+	init_MUTEX(&tu->tread_sem);
 	tu->ticks = 1;
 	tu->queue_size = 128;
 	tu->queue = (snd_timer_read_t *)kmalloc(tu->queue_size * sizeof(snd_timer_read_t), GFP_KERNEL);
@@ -1454,46 +1451,51 @@ static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user *
 	snd_timer_user_t *tu;
 	snd_timer_select_t tselect;
 	char str[32];
-	int err;
+	int err = 0;
 	
 	tu = file->private_data;
-	if (tu->timeri)
+	down(&tu->tread_sem);
+	if (tu->timeri) {
 		snd_timer_close(tu->timeri);
-	if (copy_from_user(&tselect, _tselect, sizeof(tselect)))
-		return -EFAULT;
+		tu->timeri = NULL;
+	}
+	if (copy_from_user(&tselect, _tselect, sizeof(tselect))) {
+		err = -EFAULT;
+		goto __err;
+	}
 	sprintf(str, "application %i", current->pid);
 	if (tselect.id.dev_class != SNDRV_TIMER_CLASS_SLAVE)
 		tselect.id.dev_sclass = SNDRV_TIMER_SCLASS_APPLICATION;
 	if ((err = snd_timer_open(&tu->timeri, str, &tselect.id, current->pid)) < 0)
-		return err;
+		goto __err;
 
-	if (tu->queue) {
-		kfree(tu->queue);
-		tu->queue = NULL;
-	}
-	if (tu->tqueue) {
-		kfree(tu->tqueue);
-		tu->tqueue = NULL;
-	}
+	kfree(tu->queue);
+	tu->queue = NULL;
+	kfree(tu->tqueue);
+	tu->tqueue = NULL;
 	if (tu->tread) {
 		tu->tqueue = (snd_timer_tread_t *)kmalloc(tu->queue_size * sizeof(snd_timer_tread_t), GFP_KERNEL);
-		if (tu->tqueue == NULL) {
-			snd_timer_close(tu->timeri);
-			return -ENOMEM;
-		}
+		if (tu->tqueue == NULL)
+			err = -ENOMEM;
 	} else {
 		tu->queue = (snd_timer_read_t *)kmalloc(tu->queue_size * sizeof(snd_timer_read_t), GFP_KERNEL);
-		if (tu->queue == NULL) {
-			snd_timer_close(tu->timeri);
-			return -ENOMEM;
-		}
+		if (tu->queue == NULL)
+			err = -ENOMEM;
 	}
 	
-	tu->timeri->flags |= SNDRV_TIMER_IFLG_FAST;
-	tu->timeri->callback = tu->tread ? snd_timer_user_tinterrupt : snd_timer_user_interrupt;
-	tu->timeri->ccallback = snd_timer_user_ccallback;
-	tu->timeri->callback_data = (void *)tu;
-	return 0;
+      	if (err < 0) {
+		snd_timer_close(tu->timeri);
+      		tu->timeri = NULL;
+      	} else {
+		tu->timeri->flags |= SNDRV_TIMER_IFLG_FAST;
+		tu->timeri->callback = tu->tread ? snd_timer_user_tinterrupt : snd_timer_user_interrupt;
+		tu->timeri->ccallback = snd_timer_user_ccallback;
+		tu->timeri->callback_data = (void *)tu;
+	}
+
+      __err:
+      	up(&tu->tread_sem);
+	return err;
 }
 
 static int snd_timer_user_info(struct file *file, snd_timer_info_t __user *_info)
@@ -1669,6 +1671,23 @@ static int snd_timer_user_continue(struct file *file)
 	return (err = snd_timer_continue(tu->timeri)) < 0 ? err : 0;
 }
 
+static int snd_timer_user_pause(struct file *file)
+{
+	int err;
+	snd_timer_user_t *tu;
+		
+	tu = file->private_data;
+	snd_assert(tu->timeri != NULL, return -ENXIO);
+	return (err = snd_timer_pause(tu->timeri)) < 0 ? err : 0;
+}
+
+enum {
+	SNDRV_TIMER_IOCTL_START_OLD = _IO('T', 0x20),
+	SNDRV_TIMER_IOCTL_STOP_OLD = _IO('T', 0x21),
+	SNDRV_TIMER_IOCTL_CONTINUE_OLD = _IO('T', 0x22),
+	SNDRV_TIMER_IOCTL_PAUSE_OLD = _IO('T', 0x23),
+};
+
 static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	snd_timer_user_t *tu;
@@ -1685,11 +1704,17 @@ static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, unsigned l
 	{
 		int xarg;
 		
-		if (tu->timeri)		/* too late */
+		down(&tu->tread_sem);
+		if (tu->timeri)	{	/* too late */
+			up(&tu->tread_sem);
 			return -EBUSY;
-		if (get_user(xarg, p))
+		}
+		if (get_user(xarg, p)) {
+			up(&tu->tread_sem);
 			return -EFAULT;
+		}
 		tu->tread = xarg ? 1 : 0;
+		up(&tu->tread_sem);
 		return 0;
 	}
 	case SNDRV_TIMER_IOCTL_GINFO:
@@ -1707,11 +1732,17 @@ static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, unsigned l
 	case SNDRV_TIMER_IOCTL_STATUS:
 		return snd_timer_user_status(file, argp);
 	case SNDRV_TIMER_IOCTL_START:
+	case SNDRV_TIMER_IOCTL_START_OLD:
 		return snd_timer_user_start(file);
 	case SNDRV_TIMER_IOCTL_STOP:
+	case SNDRV_TIMER_IOCTL_STOP_OLD:
 		return snd_timer_user_stop(file);
 	case SNDRV_TIMER_IOCTL_CONTINUE:
+	case SNDRV_TIMER_IOCTL_CONTINUE_OLD:
 		return snd_timer_user_continue(file);
+	case SNDRV_TIMER_IOCTL_PAUSE:
+	case SNDRV_TIMER_IOCTL_PAUSE_OLD:
+		return snd_timer_user_pause(file);
 	}
 	return -ENOTTY;
 }
@@ -1898,4 +1929,3 @@ EXPORT_SYMBOL(snd_timer_global_free);
 EXPORT_SYMBOL(snd_timer_global_register);
 EXPORT_SYMBOL(snd_timer_global_unregister);
 EXPORT_SYMBOL(snd_timer_interrupt);
-EXPORT_SYMBOL(snd_timer_system_resolution);
diff --git a/sound/core/timer_compat.c b/sound/core/timer_compat.c
index 9fbc3957a22..3de552dfe80 100644
--- a/sound/core/timer_compat.c
+++ b/sound/core/timer_compat.c
@@ -106,8 +106,13 @@ static long snd_timer_user_ioctl_compat(struct file *file, unsigned int cmd, uns
 	case SNDRV_TIMER_IOCTL_SELECT:
 	case SNDRV_TIMER_IOCTL_PARAMS:
 	case SNDRV_TIMER_IOCTL_START:
+	case SNDRV_TIMER_IOCTL_START_OLD:
 	case SNDRV_TIMER_IOCTL_STOP:
+	case SNDRV_TIMER_IOCTL_STOP_OLD:
 	case SNDRV_TIMER_IOCTL_CONTINUE:
+	case SNDRV_TIMER_IOCTL_CONTINUE_OLD:
+	case SNDRV_TIMER_IOCTL_PAUSE:
+	case SNDRV_TIMER_IOCTL_PAUSE_OLD:
 	case SNDRV_TIMER_IOCTL_NEXT_DEVICE:
 		return snd_timer_user_ioctl(file, cmd, (unsigned long)argp);
 	case SNDRV_TIMER_IOCTL_INFO32: