[ALSA] Optimize for config without PROC_FS (pci drivers)

Optimize the code when compiled without CONFIG_PROC_FS for some pci drivers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/cs46xx/dsp_spos_scb_lib.c b/sound/pci/cs46xx/dsp_spos_scb_lib.c
index 6e86500..509aa2b 100644
--- a/sound/pci/cs46xx/dsp_spos_scb_lib.c
+++ b/sound/pci/cs46xx/dsp_spos_scb_lib.c
@@ -64,6 +64,7 @@
 
 }
 
+#ifdef CONFIG_PROC_FS
 static void cs46xx_dsp_proc_scb_info_read (struct snd_info_entry *entry,
 					   struct snd_info_buffer *buffer)
 {
@@ -106,6 +107,7 @@
 	snd_iprintf(buffer,"index [%d] ref_count [%d]\n",scb->index,scb->ref_count);  
 	up(&chip->spos_mutex);
 }
+#endif
 
 static void _dsp_unlink_scb (struct snd_cs46xx *chip, struct dsp_scb_descriptor * scb)
 {
@@ -220,6 +222,7 @@
 }
 
 
+#ifdef CONFIG_PROC_FS
 void cs46xx_dsp_proc_free_scb_desc (struct dsp_scb_descriptor * scb)
 {
 	if (scb->proc_info) {
@@ -275,6 +278,7 @@
 		scb->proc_info = entry;
 	}
 }
+#endif /* CONFIG_PROC_FS */
 
 static struct dsp_scb_descriptor * 
 _dsp_create_generic_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest,