]> err.no Git - linux-2.6/blobdiff - sound/core/pcm_memory.c
[PATCH] SoftMAC: Prevent multiple authentication attempts on the same network
[linux-2.6] / sound / core / pcm_memory.c
index d37bcb76188482c4b9acb66c6388530117c293f3..067d2056db9a65569580945f3e9d1529de32dce0 100644 (file)
@@ -100,10 +100,10 @@ static void snd_pcm_lib_preallocate_dma_free(struct snd_pcm_substream *substream
 int snd_pcm_lib_preallocate_free(struct snd_pcm_substream *substream)
 {
        snd_pcm_lib_preallocate_dma_free(substream);
-       if (substream->proc_prealloc_entry) {
-               snd_info_unregister(substream->proc_prealloc_entry);
-               substream->proc_prealloc_entry = NULL;
-       }
+#ifdef CONFIG_SND_VERBOSE_PROCFS
+       snd_info_unregister(substream->proc_prealloc_entry);
+       substream->proc_prealloc_entry = NULL;
+#endif
        return 0;
 }
 
@@ -126,6 +126,9 @@ int snd_pcm_lib_preallocate_free_for_all(struct snd_pcm *pcm)
        return 0;
 }
 
+EXPORT_SYMBOL(snd_pcm_lib_preallocate_free_for_all);
+
+#ifdef CONFIG_SND_VERBOSE_PROCFS
 /*
  * read callback for prealloc proc file
  *
@@ -185,24 +188,12 @@ static void snd_pcm_lib_preallocate_proc_write(struct snd_info_entry *entry,
        }
 }
 
-/*
- * pre-allocate the buffer and create a proc file for the substream
- */
-static int snd_pcm_lib_preallocate_pages1(struct snd_pcm_substream *substream,
-                                         size_t size, size_t max)
+static inline void preallocate_info_init(struct snd_pcm_substream *substream)
 {
        struct snd_info_entry *entry;
 
-       if (size > 0 && preallocate_dma && substream->number < maximum_substreams)
-               preallocate_pcm_pages(substream, size);
-
-       if (substream->dma_buffer.bytes > 0)
-               substream->buffer_bytes_max = substream->dma_buffer.bytes;
-       substream->dma_max = max;
        if ((entry = snd_info_create_card_entry(substream->pcm->card, "prealloc", substream->proc_root)) != NULL) {
-               entry->c.text.read_size = 64;
                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;
@@ -212,6 +203,26 @@ static int snd_pcm_lib_preallocate_pages1(struct snd_pcm_substream *substream,
                }
        }
        substream->proc_prealloc_entry = entry;
+}
+
+#else /* !CONFIG_SND_VERBOSE_PROCFS */
+#define preallocate_info_init(s)
+#endif /* CONFIG_SND_VERBOSE_PROCFS */
+
+/*
+ * pre-allocate the buffer and create a proc file for the substream
+ */
+static int snd_pcm_lib_preallocate_pages1(struct snd_pcm_substream *substream,
+                                         size_t size, size_t max)
+{
+
+       if (size > 0 && preallocate_dma && substream->number < maximum_substreams)
+               preallocate_pcm_pages(substream, size);
+
+       if (substream->dma_buffer.bytes > 0)
+               substream->buffer_bytes_max = substream->dma_buffer.bytes;
+       substream->dma_max = max;
+       preallocate_info_init(substream);
        return 0;
 }
 
@@ -242,6 +253,8 @@ int snd_pcm_lib_preallocate_pages(struct snd_pcm_substream *substream,
        return snd_pcm_lib_preallocate_pages1(substream, size, max);
 }
 
+EXPORT_SYMBOL(snd_pcm_lib_preallocate_pages);
+
 /**
  * snd_pcm_lib_preallocate_pages_for_all - pre-allocation for continous memory type (all substreams)
  * @pcm: the pcm instance
@@ -269,6 +282,8 @@ int snd_pcm_lib_preallocate_pages_for_all(struct snd_pcm *pcm,
        return 0;
 }
 
+EXPORT_SYMBOL(snd_pcm_lib_preallocate_pages_for_all);
+
 /**
  * snd_pcm_sgbuf_ops_page - get the page struct at the given offset
  * @substream: the pcm substream instance
@@ -287,6 +302,8 @@ struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream, unsigne
        return sgbuf->page_table[idx];
 }
 
+EXPORT_SYMBOL(snd_pcm_sgbuf_ops_page);
+
 /**
  * snd_pcm_lib_malloc_pages - allocate the DMA buffer
  * @substream: the substream to allocate the DMA buffer to
@@ -338,6 +355,8 @@ int snd_pcm_lib_malloc_pages(struct snd_pcm_substream *substream, size_t size)
        return 1;                       /* area was changed */
 }
 
+EXPORT_SYMBOL(snd_pcm_lib_malloc_pages);
+
 /**
  * snd_pcm_lib_free_pages - release the allocated DMA buffer.
  * @substream: the substream to release the DMA buffer
@@ -363,3 +382,5 @@ int snd_pcm_lib_free_pages(struct snd_pcm_substream *substream)
        snd_pcm_set_runtime_buffer(substream, NULL);
        return 0;
 }
+
+EXPORT_SYMBOL(snd_pcm_lib_free_pages);