Merge branch 'topic/misc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into devel

119 files changed, 3364 insertions, 1321 deletions

diff --git a/sound/core/misc.c b/sound/core/misc.c
index 23a032c6d48..3da4f92427d 100644
--- a/sound/core/misc.c
+++ b/sound/core/misc.c
@@ -101,8 +101,9 @@ EXPORT_SYMBOL_GPL(__snd_printk);
 #ifdef CONFIG_PCI
 #include <linux/pci.h>
 /**
- * snd_pci_quirk_lookup - look up a PCI SSID quirk list
- * @pci: pci_dev handle
+ * snd_pci_quirk_lookup_id - look up a PCI SSID quirk list
+ * @vendor: PCI SSV id
+ * @device: PCI SSD id
  * @list: quirk list, terminated by a null entry
  *
  * Look through the given quirk list and finds a matching entry
@@ -112,18 +113,39 @@ EXPORT_SYMBOL_GPL(__snd_printk);
  * Returns the matched entry pointer, or NULL if nothing matched.
  */
 const struct snd_pci_quirk *
-snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list)
+snd_pci_quirk_lookup_id(u16 vendor, u16 device,
+			const struct snd_pci_quirk *list)
 {
 	const struct snd_pci_quirk *q;
 
 	for (q = list; q->subvendor; q++) {
-		if (q->subvendor != pci->subsystem_vendor)
+		if (q->subvendor != vendor)
 			continue;
 		if (!q->subdevice ||
-		    (pci->subsystem_device & q->subdevice_mask) == q->subdevice)
+		    (device & q->subdevice_mask) == q->subdevice)
 			return q;
 	}
 	return NULL;
 }
+EXPORT_SYMBOL(snd_pci_quirk_lookup_id);
+
+/**
+ * snd_pci_quirk_lookup - look up a PCI SSID quirk list
+ * @pci: pci_dev handle
+ * @list: quirk list, terminated by a null entry
+ *
+ * Look through the given quirk list and finds a matching entry
+ * with the same PCI SSID.  When subdevice is 0, all subdevice
+ * values may match.
+ *
+ * Returns the matched entry pointer, or NULL if nothing matched.
+ */
+const struct snd_pci_quirk *
+snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list)
+{
+	return snd_pci_quirk_lookup_id(pci->subsystem_vendor,
+				       pci->subsystem_device,
+				       list);
+}
 EXPORT_SYMBOL(snd_pci_quirk_lookup);
 #endif
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index aa54195ef3b..b546ac2660f 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -766,10 +766,13 @@ int snd_interval_ratnum(struct snd_interval *i,
 			unsigned int rats_count, struct snd_ratnum *rats,
 			unsigned int *nump, unsigned int *denp)
 {
-	unsigned int best_num, best_diff, best_den;
+	unsigned int best_num, best_den;
+	int best_diff;
 	unsigned int k;
 	struct snd_interval t;
 	int err;
+	unsigned int result_num, result_den;
+	int result_diff;
 
 	best_num = best_den = best_diff = 0;
 	for (k = 0; k < rats_count; ++k) {
@@ -791,6 +794,8 @@ int snd_interval_ratnum(struct snd_interval *i,
 				den -= r;
 		}
 		diff = num - q * den;
+		if (diff < 0)
+			diff = -diff;
 		if (best_num == 0 ||
 		    diff * best_den < best_diff * den) {
 			best_diff = diff;
@@ -805,6 +810,9 @@ int snd_interval_ratnum(struct snd_interval *i,
 	t.min = div_down(best_num, best_den);
 	t.openmin = !!(best_num % best_den);
 	
+	result_num = best_num;
+	result_diff = best_diff;
+	result_den = best_den;
 	best_num = best_den = best_diff = 0;
 	for (k = 0; k < rats_count; ++k) {
 		unsigned int num = rats[k].num;
@@ -827,6 +835,8 @@ int snd_interval_ratnum(struct snd_interval *i,
 				den += rats[k].den_step - r;
 		}
 		diff = q * den - num;
+		if (diff < 0)
+			diff = -diff;
 		if (best_num == 0 ||
 		    diff * best_den < best_diff * den) {
 			best_diff = diff;
@@ -846,10 +856,14 @@ int snd_interval_ratnum(struct snd_interval *i,
 		return err;
 
 	if (snd_interval_single(i)) {
+		if (best_diff * result_den < result_diff * best_den) {
+			result_num = best_num;
+			result_den = best_den;
+		}
 		if (nump)
-			*nump = best_num;
+			*nump = result_num;
 		if (denp)
-			*denp = best_den;
+			*denp = result_den;
 	}
 	return err;
 }
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
index caa7796bc2f..d6d49d6651f 100644
--- a/sound/core/pcm_memory.c
+++ b/sound/core/pcm_memory.c
@@ -23,6 +23,7 @@
 #include <linux/time.h>
 #include <linux/init.h>
 #include <linux/moduleparam.h>
+#include <linux/vmalloc.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/info.h>
@@ -434,3 +435,57 @@ int snd_pcm_lib_free_pages(struct snd_pcm_substream *substream)
 }
 
 EXPORT_SYMBOL(snd_pcm_lib_free_pages);
+
+int _snd_pcm_lib_alloc_vmalloc_buffer(struct snd_pcm_substream *substream,
+				      size_t size, gfp_t gfp_flags)
+{
+	struct snd_pcm_runtime *runtime;
+
+	if (PCM_RUNTIME_CHECK(substream))
+		return -EINVAL;
+	runtime = substream->runtime;
+	if (runtime->dma_area) {
+		if (runtime->dma_bytes >= size)
+			return 0; /* already large enough */
+		vfree(runtime->dma_area);
+	}
+	runtime->dma_area = __vmalloc(size, gfp_flags, PAGE_KERNEL);
+	if (!runtime->dma_area)
+		return -ENOMEM;
+	runtime->dma_bytes = size;
+	return 1;
+}
+EXPORT_SYMBOL(_snd_pcm_lib_alloc_vmalloc_buffer);
+
+/**
+ * snd_pcm_lib_free_vmalloc_buffer - free vmalloc buffer
+ * @substream: the substream with a buffer