Merge branch 'topic/core-change' into for-linus

49 files changed, 1163 insertions, 2260 deletions

diff --git a/sound/arm/Makefile b/sound/arm/Makefile
index 5a549ed6c8a..8c0c851d464 100644
--- a/sound/arm/Makefile
+++ b/sound/arm/Makefile
@@ -3,7 +3,7 @@
 #
 
 obj-$(CONFIG_SND_ARMAACI)	+= snd-aaci.o
-snd-aaci-objs			:= aaci.o devdma.o
+snd-aaci-objs			:= aaci.o
 
 obj-$(CONFIG_SND_PXA2XX_PCM)	+= snd-pxa2xx-pcm.o
 snd-pxa2xx-pcm-objs		:= pxa2xx-pcm.o
diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c
index 6c160a038b2..1534f3d88bc 100644
--- a/sound/arm/aaci.c
+++ b/sound/arm/aaci.c
@@ -30,7 +30,6 @@
 #include <sound/pcm_params.h>
 
 #include "aaci.h"
-#include "devdma.h"
 
 #define DRIVER_NAME	"aaci-pl041"
 
@@ -492,7 +491,7 @@ static int aaci_pcm_hw_free(struct snd_pcm_substream *substream)
 	/*
 	 * Clear out the DMA and any allocated buffers.
 	 */
-	devdma_hw_free(NULL, substream);
+	snd_pcm_lib_free_pages(substream);
 
 	return 0;
 }
@@ -509,8 +508,8 @@ static int aaci_pcm_hw_params(struct snd_pcm_substream *substream,
 		aacirun->pcm_open = 0;
 	}
 
-	err = devdma_hw_alloc(NULL, substream,
-			      params_buffer_bytes(params));
+	err = snd_pcm_lib_malloc_pages(substream,
+				       params_buffer_bytes(params));
 	if (err < 0)
 		goto out;
 
@@ -555,11 +554,6 @@ static snd_pcm_uframes_t aaci_pcm_pointer(struct snd_pcm_substream *substream)
 	return bytes_to_frames(runtime, bytes);
 }
 
-static int aaci_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma)
-{
-	return devdma_mmap(NULL, substream, vma);
-}
-
 
 /*
  * Playback specific ALSA stuff
@@ -726,7 +720,6 @@ static struct snd_pcm_ops aaci_playback_ops = {
 	.prepare	= aaci_pcm_prepare,
 	.trigger	= aaci_pcm_playback_trigger,
 	.pointer	= aaci_pcm_pointer,
-	.mmap		= aaci_pcm_mmap,
 };
 
 static int aaci_pcm_capture_hw_params(struct snd_pcm_substream *substream,
@@ -854,7 +847,6 @@ static struct snd_pcm_ops aaci_capture_ops = {
 	.prepare	= aaci_pcm_capture_prepare,
 	.trigger	= aaci_pcm_capture_trigger,
 	.pointer	= aaci_pcm_pointer,
-	.mmap		= aaci_pcm_mmap,
 };
 
 /*
@@ -1044,6 +1036,8 @@ static int __devinit aaci_init_pcm(struct aaci *aaci)
 
 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &aaci_playback_ops);
 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &aaci_capture_ops);
+		snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+						      NULL, 0, 64 * 104);
 	}
 
 	return ret;
diff --git a/sound/arm/devdma.c b/sound/arm/devdma.c
deleted file mode 100644
index 9d1e6665b54..00000000000
--- a/sound/arm/devdma.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- *  linux/sound/arm/devdma.c
- *
- *  Copyright (C) 2003-2004 Russell King, All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  ARM DMA shim for ALSA.
- */
-#include <linux/device.h>
-#include <linux/dma-mapping.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-
-#include "devdma.h"
-
-void devdma_hw_free(struct device *dev, struct snd_pcm_substream *substream)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_dma_buffer *buf = runtime->dma_buffer_p;
-
-	if (runtime->dma_area == NULL)
-		return;
-
-	if (buf != &substream->dma_buffer) {
-		dma_free_coherent(buf->dev.dev, buf->bytes, buf->area, buf->addr);
-		kfree(runtime->dma_buffer_p);
-	}
-
-	snd_pcm_set_runtime_buffer(substream, NULL);
-}
-
-int devdma_hw_alloc(struct device *dev, struct snd_pcm_substream *substream, size_t size)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_dma_buffer *buf = runtime->dma_buffer_p;
-	int ret = 0;
-
-	if (buf) {
-		if (buf->bytes >= size)
-			goto out;
-		devdma_hw_free(dev, substream);
-	}
-
-	if (substream->dma_buffer.area != NULL && substream->dma_buffer.bytes >= size) {
-		buf = &substream->dma_buffer;
-	} else {
-		buf = kmalloc(sizeof(struct snd_dma_buffer), GFP_KERNEL);
-		if (!buf)
-			goto nomem;
-
-		buf->dev.type = SNDRV_DMA_TYPE_DEV;
-		buf->dev.dev = dev;
-		buf->area = dma_alloc_coherent(dev, size, &buf->addr, GFP_KERNEL);
-		buf->bytes = size;
-		buf->private_data = NULL;
-
-		if (!buf->area)
-			goto free;
-	}
-	snd_pcm_set_runtime_buffer(substream, buf);
-	ret = 1;
- out:
-	runtime->dma_bytes = size;
-	return ret;
-
- free:
-	kfree(buf);
- nomem:
-	return -ENOMEM;
-}
-
-int devdma_mmap(struct device *dev, struct snd_pcm_substream *substream, struct vm_area_struct *vma)
-{
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	return dma_mmap_coherent(dev, vma, runtime->dma_area, runtime->dma_addr, runtime->dma_bytes);
-}
diff --git a/sound/arm/devdma.h b/sound/arm/devdma.h
deleted file mode 100644
index d025329c8a0..00000000000
--- a/sound/arm/devdma.h
+++ /dev/null
@@ -1,3 +0,0 @@
-void devdma_hw_free(struct device *dev, struct snd_pcm_substream *substream);
-int devdma_hw_alloc(struct device *dev, struct snd_pcm_substream *substream, size_t size);
-int devdma_mmap(struct device *dev, struct snd_pcm_substream *substream, struct vm_area_struct *vma);
diff --git a/sound/core/control.c b/sound/core/control.c
index a8b7fabe645..73dc10ac33f 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -75,7 +75,7 @@ static int snd_ctl_open(struct inode *inode, struct file *file)
 	ctl->card = card;
 	ctl->prefer_pcm_subdevice = -1;
 	ctl->prefer_rawmidi_subdevice = -1;
-	ctl->pid = current->pid;
+	ctl->pid = get_pid(task_pid(current));
 	file->private_data = ctl;
 	write_lock_irqsave(&card->ctl_files_rwlock, flags);
 	list_add_tail(&ctl->list, &card->ctl_files);
@@ -125,6 +125,7 @@ static int snd_ctl_release(struct inode *inode, struct file *file)
 				control->vd[idx].owner = NULL;
 	up_write(&card->controls_rwsem);
 	snd_ctl_empty_read_queue(ctl);
+	put_pid(ctl->pid);
 	kfree(ctl);
 	module_put(card->module);
 	snd_card_file_remove(card, file);
@@ -672,7 +673,7 @@ static int snd_ctl_elem_info(struct snd_ctl_file *ctl,
 			info->access |= SNDRV_CTL_ELEM_ACCESS_LOCK;
 			if (vd->owner == ctl)
 				info->access |= SNDRV_CTL_ELEM_ACCESS_OWNER;
-			info->owner = vd->owner_pid;
+			info->owner = pid_vnr(vd->owner->pid);
 		} else {
 			info->owner = -1;
 		}
@@ -827,7 +828,6 @@ static int snd_ctl_elem_lock(struct snd_ctl_file *file,
 			result = -EBUSY;
 		else {
 			vd->owner = file;
-			vd->owner_pid = current->pid;
 			result = 0;
 		}
 	}
@@ -858,7 +858,6 @@ static int snd_ctl_elem_unlock(struct snd_ctl_file *file,
 			result = -EPERM;
 		else {
 			vd->owner = NULL;
-			vd->owner_pid = 0;
 			result = 0;
 		}
 	}
diff --git a/sound/core/isadma.c b/sound/core/isadma.c
index 79f0f16af33..950e19ba91f 100644
--- a/sound/core/isadma.c
+++ b/sound/core/isadma.c
@@ -85,16 +85,24 @@ EXPORT_SYMBOL(snd_dma_disable);
 unsigned int snd_dma_pointer(unsigned long dma, unsigned int size)
 {
 	unsigned long flags;
-	unsigned int result;
+	unsigned int result, result1;
 
 	flags = claim_dma_lock();
 	clear_dma_ff(dma);
 	if (!isa_dma_bridge_buggy)
 		disable_dma(dma);
 	result = get_dma_residue(dma);
+	/*
+	 * HACK - read the counter again and choose higher value in order to
+	 * avoid reading during counter lower byte roll over if the
+	 * isa_dma_bridge_buggy is set.
+	 */
+	result1 = get_dma_residue(dma);
 	if (!isa_dma_bridge_buggy)
 		enable_dma(dma);
 	release_dma_lock(flags);
+	if (unlikely(result < result1))
+		result = result1;
 #ifdef CONFIG_SND_DEBUG
 	if (result > size)
 		snd_printk(KERN_ERR "pointer (0x%x) for DMA #%ld is greater than transfer size (0x%x)\n", result, dma, size);
diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index 772423889eb..54e2eb56e4c 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -1251,7 +1251,9 @@ static void snd_mixer_oss_build(struct snd_mixer_oss *mixer)
 		{ SOUND_MIXER_SYNTH,	"FM",			0 }, /* fallback */
 		{ SOUND_MIXER_SYNTH,	"Music",		0 }, /* fallback */
 		{ SOUND_MIXER_PCM,	"PCM",			0 },
-		{ SOUND_MIXER_SPEAKER,	"PC Speaker", 		0 },
+		{ SOUND_MIXER_SPEAKER,	"Beep", 		0 },
+		{ SOUND_MIXER_SPEAKER,	"PC Speaker", 		0 }, /* fallback */
+		{ SOUND_MIXER_SPEAKER,	"Speaker", 		0 }, /* fallback */
 		{ SOUND_MIXER_LINE,	"Line", 		0 },
 		{ SOUND_MIXER_MIC,	"Mic", 			0 },
 		{ SOUND_MIXER_CD,	"CD", 			0 },
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index c69c60b2a48..6884ae031f6 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -435,6 +435,7 @@ static void snd_pcm_substream_proc_status_read(struct snd_info_entry *entry,
 		return;
 	}
 	snd_iprintf(buffer, "state: %s\n", snd_pcm_state_name(status.state));
+	snd_iprintf(buffer, "owner_pid   : %d\n", pid_vnr(substream->pid));
 	snd_iprintf(buffer, "trigger_time: %ld.%09ld\n",
 		status.trigger_tstamp.tv_sec, status.trigger_tstamp.tv_nsec);
 	snd_iprintf(buffer, "tstamp      : %ld.%09ld\n",
@@ -809,7 +810,7 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream,
 	card = pcm->card;
 	read_lock(&card->ctl_files_rwlock);
 	list_for_each_entry(kctl, &card->ctl_files, list) {
-		if (kctl->pid == current->pid) {
+		if (kctl->pid == task_pid(current)) {
 			prefer_subdevice = kctl->prefer_pcm_subdevice;
 			if (prefer_subdevice != -1)
 				break;
@@ -900,6 +901,7 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream,
 	substream->private_data = pcm->private_data;
 	substream->ref_count = 1;
 	substream->f_flags = file->f_flags;
+	substream->pid = get_pid(task_pid(current));
 	pstr->substream_opened++;
 	*rsubstream = substream;
 	return 0;
@@ -921,6 +923,8 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream)
 	kfree(runtime->hw_constraints.rules);
 	kfree(runtime);
 	substream->runtime = NULL;
+	put_pid(substream->pid);
+	substream->pid = NULL;
 	substream->pstr->substream_opened--;
 }
 
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index ab73edf2c89..29ab46a12e1 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -26,6 +26,7 @@
 #include <linux/time.h>
 #include <linux/pm_qos_params.h>
 #include <linux/uio.h>
+#include <linux/dma-mapping.h>
 #include <sound/core.h>
 #include <sound/control.h>
 #include <sound/info.h>
@@ -3061,6 +3062,27 @@ static int snd_pcm_mmap_control(struct snd_pcm_substream *substream, struct file
 }
 #endif /* coherent mmap */
 
+static inline struct page *
+snd_pcm_default_page_ops(struct snd_pcm_substream *substream, unsigned long ofs)
+{
+	void *vaddr = substream->runtime->dma_area + ofs;
+#if defined(CONFIG_MIPS) && defined(CONFIG_DMA_NONCOHERENT)
+	if (substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV)
+		return virt_to_page(CAC_ADDR(vaddr));
+#endif
+#if defined(CONFIG_PPC32) && defined(CONFIG_NOT_COHERENT_CACHE)
+	if (substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV) {
+		dma_addr_t addr = substream->runtime->dma_addr + ofs;
+		addr -= get_dma_offset(substream->dma_buffer.dev.dev);
+		/* assume dma_handle set via pfn_to_phys() in
+		 * mm/dma-noncoherent.c
+		 */
+		return pfn_to_page(addr >> PAGE_SHIFT);
+	}
+#endif
+	return virt_to_page(vaddr);
+}
+
 /*
  * fault callback for mmapping a RAM page
  */
@@ -3071,7 +3093,6 @@ static int snd_pcm_mmap_data_fault(struct vm_area_struct *area,
 	struct snd_pcm_runtime *runtime;
 	unsigned long offset;
 	struct page * page;
-	void *vaddr;
 	size_t dma_bytes;
 	
 	if (substream == NULL)
@@ -3081,36 +3102,53 @@ static int snd_pcm_mmap_data_fault(struct vm_area_struct *area,
 	dma_bytes = PAGE_ALIGN(runtime->dma_bytes);
 	if (offset > dma_bytes - PAGE_SIZE)
 		return VM_FAULT_SIGBUS;
-	if (substream->ops->page) {
+	if (substream->ops->page)
 		page = substream->ops->page(substream, offset);
-		if (!page)
-			return VM_FAULT_SIGBUS;
-	} else {
-		vaddr = runtime->dma_area + offset;
-		page = virt_to_page(vaddr);
-	}
+	else
+		page = snd_pcm_default_page_ops(substream, offset);
+	if (!page)
+		return VM_FAULT_SIGBUS;
 	get_page(page);
 	vmf->page = page;
 	return 0;
 }
 
-static const struct vm_operations_struct snd_pcm_vm_ops_data =
-{
+static const struct vm_operations_struct snd_pcm_vm_ops_data = {
+	.open =		snd_pcm_mmap_data_open,
+	.close =	snd_pcm_mmap_data_close,
+};
+
+static const struct vm_operations_struct snd_pcm_vm_ops_data_fault = {
 	.open =		snd_pcm_mmap_data_open,
 	.close =	snd_pcm_mmap_data_close,
 	.fault =	snd_pcm_mmap_data_fault,
 };
 
+#ifndef ARCH_HAS_DMA_MMAP_COHERENT
+/* This should be defined / handled globally! */
+#ifdef CONFIG_ARM
+#define ARCH_HAS_DMA_MMAP_COHERENT
+#endif
+#endif
+
 /*
  * mmap the DMA buffer on RAM
  */
 static int snd_pcm_default_mmap(struct snd_pcm_substream *substream,
 				struct vm_area_struct *area)
 {
-	area->vm_ops = &snd_pcm_vm_ops_data;
-	area->vm_private_data = substream;
 	area->vm_flags |= VM_RESERVED;
-	atomic_inc(&substream->mmap_count);
+#ifdef ARCH_HAS_DMA_MMAP_COHERENT
+	if (!substream->ops->page &&
+	    substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV)
+		return dma_mmap_coherent(substream->dma_buffer.dev.dev,
+					 area,
+					 substream->runtime->dma_area,
+					 substream->runtime->dma_addr,
+					 area->vm_end - area->vm_start);
+#endif /* ARCH_HAS_DMA_MMAP_COHERENT */
+	/* mmap with fault handler */
+	area->vm_ops = &snd_pcm_vm_ops_data_fault;
 	return 0;
 }
 
@@ -3118,12 +3156,6 @@ static int snd_pcm_default_mmap(struct snd_pcm_substream *substream,
  * mmap the DMA buffer on I/O memory area
  */
 #if SNDRV_PCM_INFO_MMAP_IOMEM
-static const struct vm_operations_struct snd_pcm_vm_ops_data_mmio =
-{
-	.open =		snd_pcm_mmap_data_open,
-	.close =	snd_pcm_mmap_data_close,
-};
-
 int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
 			   struct vm_area_struct *area)
 {
@@ -3133,8 +3165,6 @@ int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
 #ifdef pgprot_noncached
 	area->vm_page_prot = pgprot_noncached(area->vm_page_prot);
 #endif
-	area->vm_ops = &snd_pcm_vm_ops_data_mmio;
-	area->vm_private_data = substream;
 	area->vm_flags |= VM_IO;
 	size = area->vm_end - area->vm_start;
 	offset = area->vm_pgoff << PAGE_SHIFT;
@@ -3142,7 +3172,6 @@ int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
 				(substream->runtime->dma_addr + offset) >> PAGE_SHIFT,
 				size, area->vm_page_prot))
 		return -EAGAIN;
-	atomic_inc(&substream->mmap_count);
 	return 0;
 }
 
@@ -3159,6 +3188,7 @@ int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file,
 	long size;
 	unsigned long offset;
 	size_t dma_bytes;
+	int err;
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		if (!(area->vm_flags & (VM_WRITE|VM_READ)))
@@ -3183,10 +3213,15 @@ int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file,
 	if (offset > dma_bytes - size)
 		return -EINVAL;
 
+	area->vm_ops = &snd_pcm_vm_ops_data;
+	area->vm_private_data = substream;
 	if (substream->ops->mmap)
-		return substream->ops->mmap(substream, area);
+		err = substream->ops->mmap(substream, area);
 	else
-		return snd_pcm_default_mmap(substream, area);
+		err = snd_pcm_default_mmap(substream, area);
+	if (!err)
+		atomic_inc(&substream->mmap_count);
+	return err;
 }
 
 EXPORT_SYMBOL(snd_pcm_mmap_data);
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 70d6f25ba52..2f766123b15 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -242,8 +242,6 @@ static int assign_substream(struct snd_rawmidi *rmidi, int subdevice,
 		return -ENXIO;
 	if (subdevice >= 0 && subdevice >= s->substream_count)
 		return -ENODEV;
-	if (s->substream_opened >= s->substream_count)
-		return -EAGAIN;
 
 	list_for_each_entry(substream, &s->substreams, list) {
 		if (substream->opened) {
@@ -280,9 +278,10 @@ static int open_substream(struct snd_rawmidi *rmidi,
 		substream->active_sensing = 0;
 		if (mode & SNDRV_RAWMIDI_LFLG_APPEND)
 			substream->append = 1;
+		substream->pid = get_pid(task_pid(current));
+		rmidi->streams[substream->stream].substream_opened++;
 	}
 	substream->use_count++;
-	rmidi->streams[substream->stream].substream_opened++;
 	return 0;
 }
 
@@ -413,7 +412,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file)
 		subdevice = -1;
 		read_lock(&card->ctl_files_rwlock);
 		list_for_each_entry(kctl, &card->ctl_files, list) {
-			if (kctl->pid == current->pid) {
+			if (kctl->pid == task_pid(current)) {
 				subdevice = kctl->prefer_rawmidi_subdevice;
 				if (subdevice != -1)
 					break;
@@ -466,7 +465,6 @@ static void close_substream(struct snd_rawmidi *rmidi,
 			    struct snd_rawmidi_substream *substream,
 			    int cleanup)
 {
-	rmidi->streams[substream->stream].substream_opened--;
 	if (--substream->use_count)
 		return;
 
@@ -491,6 +489,9 @@ static void close_substream(struct snd_rawmidi *rmidi,
 	snd_rawmidi_runtime_free(substream);
 	substream->opened = 0;
 	substream->append = 0;
+	put_pid(substream->pid);
+	substream->pid = NULL;
+	rmidi->streams[substream->stream].substream_opened--;
 }
 
 static void rawmidi_release_priv(struct snd_rawmidi_file *rfile)
@@ -1338,6 +1339,9 @@ static void snd_rawmidi_proc_info_read(struct snd_info_entry *entry,
 				    substream->number,
 				    (unsigned long) substream->bytes);
 			if (substream->opened) {
+				snd_iprintf(buffer,
+				    "  Owner PID    : %d\n",
+				    pid_vnr(substream->pid));
 				runtime = substream->runtime;
 				snd_iprintf(buffer,
 				    "  Mode         : %s\n"
@@ -1359,6 +1363,9 @@ static void snd_rawmidi_proc_info_read(struct snd_info_entry *entry,
 				    substream->number,
 				    (unsigned long) substream->bytes);
 			if (substream->opened) {
+				snd_iprintf(buffer,
+					    "  Owner PID    : %d\n",
+					    pid_vnr(substream->pid));
 				runtime = substream->runtime;
 				snd_iprintf(buffer,
 					    "  Buffer size  : %lu\n"
diff --git a/sound/drivers/pcsp/pcsp.c b/sound/drivers/pcsp/pcsp.c
index b60cef257b5..f165c77d627 100644
--- a/sound/drivers/pcsp/pcsp.c
+++ b/sound/drivers/pcsp/pcsp.c
@@ -26,6 +26,7 @@ MODULE_ALIAS("platform:pcspkr");
 static int index = SNDRV_DEFAULT_IDX1;	/* Index 0-MAX */
 static char *id = SNDRV_DEFAULT_STR1;	/* ID for this card */
 static int enable = SNDRV_DEFAULT_ENABLE1;	/* Enable this card */
+static int nopcm;	/* Disable PCM capability of the driver */
 
 module_param(index, int, 0444);
 MODULE_PARM_DESC(index, "Index value for pcsp soundcard.");
@@ -33,6 +34,8 @@ module_param(id, charp, 0444);
 MODULE_PARM_DESC(id, "ID string for pcsp soundcard.");
 module_param(enable, bool, 0444);
 MODULE_PARM_DESC(enable, "Enable PC-Speaker sound.");
+module_param(nopcm, bool, 0444);
+MODULE_PARM_DESC(nopcm, "Disable PC-Speaker PCM sound. Only beeps remain.");
 
 struct snd_pcsp pcsp_chip;
 
@@ -43,13 +46,16 @@ static int __devinit snd_pcsp_create(struct snd_card *card)
 	int err;
 	int div, min_div, order;
 
-	hrtimer_get_res(CLOCK_MONOTONIC, &tp);
-	if (tp.tv_sec || tp.tv_nsec > PCSP_MAX_PERIOD_NS) {
-		printk(KERN_ERR "PCSP: Timer resolution is not sufficient "
-		       "(%linS)\n", tp.tv_nsec);
-		printk(KERN_ERR "PCSP: Make sure you have HPET and ACPI "
-		       "enabled.\n");
-		return -EIO;
+	if (!nopcm) {
+		hrtimer_get_res(CLOCK_MONOTONIC, &tp);
+		if (tp.tv_sec || tp.tv_nsec > PCSP_MAX_PERIOD_NS) {
+			printk(KERN_ERR "PCSP: Timer resolution is not sufficient "
+				"(%linS)\n", tp.tv_nsec);
+			printk(KERN_ERR "PCSP: Make sure you have HPET and ACPI "
+				"enabled.\n");
+			printk(KERN_ERR "PCSP: Turned into nopcm mode.\n");
+			nopcm = 1;
+		}
 	}
 
 	if (loops_per_jiffy >= PCSP_MIN_LPJ && tp.tv_nsec <= PCSP_MIN_PERIOD_NS)
@@ -107,12 +113,14 @@ static int __devinit snd_card_pcsp_probe(int devnum, struct device *dev)
 		snd_card_free(card);
 		return err;
 	}
-	err = snd_pcsp_new_pcm(&pcsp_chip);
-	if (err < 0) {
-		snd_card_free(card);
-		return err;
+	if (!nopcm) {
+		err = snd_pcsp_new_pcm(&pcsp_chip);
+		if (err < 0) {
+			snd_card_free(card);
+			return err;
+		}
 	}
-	err = snd_pcsp_new_mixer(&pcsp_chip);
+	err = snd_pcsp_new_mixer(&pcsp_chip, nopcm);
 	if (err < 0) {
 		snd_card_free(card);
 		return err;
diff --git a/sound/drivers/pcsp/pcsp.h b/sound/drivers/pcsp/pcsp.h
index 174dd2ff0f2..1e123077923 100644
--- a/sound/drivers/pcsp/pcsp.h
+++ b/sound/drivers/pcsp/pcsp.h
@@ -83,6 +83,6 @@ extern enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle);
 extern void pcsp_sync_stop(struct snd_pcsp *chip);
 
 extern int snd_pcsp_new_pcm(struct snd_pcsp *chip);
-extern int snd_pcsp_new_mixer(struct snd_pcsp *chip);
+extern int snd_pcsp_new_mixer(struct snd_pcsp *chip, int nopcm);
 
 #endif
diff --git a/sound/drivers/pcsp/pcsp_mixer.c b/sound/drivers/pcsp/pcsp_mixer.c
index 903bc846763..6f633f4f3b9 100644
--- a/sound/drivers/pcsp/pcsp_mixer.c
+++ b/sound/drivers/pcsp/pcsp_mixer.c
@@ -119,24 +119,43 @@ static int pcsp_pcspkr_put(struct snd_kcontrol *kcontrol,
 	.put =		pcsp_##ctl_type##_put, \
 }
 
-static struct snd_kcontrol_new __devinitdata snd_pcsp_controls[] = {
+static struct snd_kcontrol_new __devinitdata snd_pcsp_controls_pcm[] = {
 	PCSP_MIXER_CONTROL(enable, "Master Playback Switch"),
 	PCSP_MIXER_CONTROL(treble, "BaseFRQ Playback Volume"),
-	PCSP_MIXER_CONTROL(pcspkr, "PC Speaker Playback Switch"),
 };
 
-int __devinit snd_pcsp_new_mixer(struct snd_pcsp *chip)
+static struct snd_kcontrol_new __devinitdata snd_pcsp_controls_spkr[] = {
+	PCSP_MIXER_CONTROL(pcspkr, "Beep Playback Switch"),
+};
+
+static int __devinit snd_pcsp_ctls_add(struct snd_pcsp *chip,
+	struct snd_kcontrol_new *ctls, int num)
 {
-	struct snd_card *card = chip->card;
 	int i, err;
+	struct snd_card *card = chip->card;
+	for (i = 0; i < num; i++) {
+		err = snd_ctl_add(card, snd_ctl_new1(ctls + i, chip));
+		if (err < 0)
+			return err;
+	}
+	return 0;
+}
+
+int __devinit snd_pcsp_new_mixer(struct snd_pcsp *chip, int nopcm)
+{
+	int err;
+	struct snd_card *card = chip->card;
 
-	for (i = 0; i < ARRAY_SIZE(snd_pcsp_controls); i++) {
-		err = snd_ctl_add(card,
-				 snd_ctl_new1(snd_pcsp_controls + i,
-					      chip));
+	if (!nopcm) {
+		err = snd_pcsp_ctls_add(chip, snd_pcsp_controls_pcm,
+			ARRAY_SI