ALSA: i2c/other/ak4xx-adda: Fix a compile warning with CONFIG_PROCFS=n

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

ALSA: i2c/other/ak4xx-adda: Fix a compile warning with CONFIG_PROCFS=n
Signed-off-by: N Takashi Iwai <tiwai@suse.de>
e913b146 · Takashi Iwai · 5591bf07 · e913b146
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sound/i2c/other/ak4xxx-adda.c sound/i2c/other/ak4xxx-adda.c +1 -1

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--- a/sound/i2c/other/ak4xxx-adda.c
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -900,7 +900,7 @@ static int proc_init(struct snd_akm4xxx *ak)
 	return 0;
 }
 #else /* !CONFIG_PROC_FS */
-static int proc_init(struct snd_akm4xxx *ak) {}
+static int proc_init(struct snd_akm4xxx *ak) { return 0; }
 #endif
 int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)