[RFC PATCH 01/23] ALSA: isa/gus: remove -Wmissing-prototypes warnings

[Pierre-Louis Bossart]

Fix W=1 warnings by adding prototypes to header file

sound/isa/gus/gus_timer.c:141:6: warning: no previous prototype for
‘snd_gf1_timers_init’ [-Wmissing-prototypes]
  141 | void snd_gf1_timers_init(struct snd_gus_card * gus)
      |      ^~~~~~~~~~~~~~~~~~~
sound/isa/gus/gus_timer.c:177:6: warning: no previous prototype for
‘snd_gf1_timers_done’ [-Wmissing-prototypes]
  177 | void snd_gf1_timers_done(struct snd_gus_card * gus)
      |      ^~~~~~~~~~~~~~~~~~~

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
---
 include/sound/gus.h       | 4 ++++
 sound/isa/gus/gus_reset.c | 2 --
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/sound/gus.h b/include/sound/gus.h
index 410939ecf3a5..cd8da68cab92 100644
--- a/include/sound/gus.h
+++ b/include/sound/gus.h
@@ -613,4 +613,8 @@ int snd_gus_dram_write(struct snd_gus_card *gus, char __user *ptr,
 int snd_gus_dram_read(struct snd_gus_card *gus, char __user *ptr,
 		      unsigned int addr, unsigned int size, int rom);
 
+/* gus_timer.c */
+void snd_gf1_timers_init(struct snd_gus_card *gus);
+void snd_gf1_timers_done(struct snd_gus_card *gus);
+
 #endif /* __SOUND_GUS_H */
diff --git a/sound/isa/gus/gus_reset.c b/sound/isa/gus/gus_reset.c
index 07bfcda43827..9a1ab5872c4f 100644
--- a/sound/isa/gus/gus_reset.c
+++ b/sound/isa/gus/gus_reset.c
@@ -9,8 +9,6 @@
 #include <sound/core.h>
 #include <sound/gus.h>
 
-extern void snd_gf1_timers_init(struct snd_gus_card * gus);
-extern void snd_gf1_timers_done(struct snd_gus_card * gus);
 extern int snd_gf1_synth_init(struct snd_gus_card * gus);
 extern void snd_gf1_synth_done(struct snd_gus_card * gus);
 
-- 
2.25.1