ALSA: ad1816a: enable hardware timer

Enable hardware timer with 10 usec resolution.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/sound/ad1816a.h b/include/sound/ad1816a.h
index b3aa62e..d010858 100644
--- a/include/sound/ad1816a.h
+++ b/include/sound/ad1816a.h
@@ -169,5 +169,7 @@
 
 extern int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device, struct snd_pcm **rpcm);
 extern int snd_ad1816a_mixer(struct snd_ad1816a *chip);
+extern int snd_ad1816a_timer(struct snd_ad1816a *chip, int device,
+			     struct snd_timer **rtimer);
 
 #endif	/* __SOUND_AD1816A_H */