[ALSA] Optimize for config without PROC_FS (seq and oss parts)

Modules: ALSA<-OSS emulation,ALSA sequencer,ALSA<-OSS sequencer

Optimize the code when compiled without CONFIG_PROC_FS (in seq and oss
emulation parts).

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/core/oss/mixer_oss.c

@@ -1053,6 +1053,7 @@ static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mix
 	return 0;
 }
 
+#ifdef CONFIG_PROC_FS
 /*
  */
 #define MIXER_VOL(name) [SOUND_MIXER_##name] = #name
@@ -1200,6 +1201,10 @@ static void snd_mixer_oss_proc_done(struct snd_mixer_oss *mixer)
 		mixer->proc_entry = NULL;
 	}
 }
+#else /* !CONFIG_PROC_FS */
+#define snd_mixer_oss_proc_init(mix)
+#define snd_mixer_oss_proc_done(mix)
+#endif /* CONFIG_PROC_FS */
 
 static void snd_mixer_oss_build(struct snd_mixer_oss *mixer)
 {

sound/core/oss/pcm_oss.c

@@ -2269,6 +2269,7 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
 	return 0;
 }
 
+#ifdef CONFIG_PROC_FS
 /*
  *  /proc interface
  */
@@ -2420,6 +2421,10 @@ static void snd_pcm_oss_proc_done(struct snd_pcm *pcm)
 		}
 	}
 }
+#else /* !CONFIG_PROC_FS */
+#define snd_pcm_oss_proc_init(pcm)
+#define snd_pcm_oss_proc_done(pcm)
+#endif /* CONFIG_PROC_FS */
 
 /*
  *  ENTRY functions