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authorTakashi Iwai <tiwai@suse.de>2005-12-01 10:42:42 +0100
committerJaroslav Kysela <perex@suse.cz>2006-01-03 12:30:02 +0100
commite28563cceb9f258ebe3c50fc27d8f4ff0ac4bfa4 (patch)
treeb69095abb998dedc2953368ba2c75978d80f644a /sound/core/pcm_memory.c
parent7cd01dd840824e7c6023ad1dbfdb94a2183a7adb (diff)
[ALSA] Optimize for config without PROC_FS
Modules: HWDEP Midlevel,ALSA Core,PCM Midlevel,Timer Midlevel Optimize the code when compiled without CONFIG_PROC_FS. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/pcm_memory.c')
-rw-r--r--sound/core/pcm_memory.c39
1 files changed, 24 insertions, 15 deletions
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
index d37bcb76188..a0119ae67dc 100644
--- a/sound/core/pcm_memory.c
+++ b/sound/core/pcm_memory.c
@@ -100,10 +100,8 @@ 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;
- }
+ snd_info_unregister(substream->proc_prealloc_entry);
+ substream->proc_prealloc_entry = NULL;
return 0;
}
@@ -126,6 +124,7 @@ int snd_pcm_lib_preallocate_free_for_all(struct snd_pcm *pcm)
return 0;
}
+#ifdef CONFIG_PROC_FS
/*
* read callback for prealloc proc file
*
@@ -185,20 +184,10 @@ 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;
@@ -212,6 +201,26 @@ static int snd_pcm_lib_preallocate_pages1(struct snd_pcm_substream *substream,
}
}
substream->proc_prealloc_entry = entry;
+}
+
+#else /* !CONFIG_PROC_FS */
+#define preallocate_info_init(s)
+#endif
+
+/*
+ * 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;
}