1 #ifndef _LINUX_SOUND_H 2 #define _LINUX_SOUND_H 3 4 #include <uapi/linux/sound.h> 5 6 /* 7 * Sound core interface functions 8 */ 9 10 struct device; 11 extern int register_sound_special(const struct file_operations *fops, int unit); 12 extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev); 13 extern int register_sound_mixer(const struct file_operations *fops, int dev); 14 extern int register_sound_midi(const struct file_operations *fops, int dev); 15 extern int register_sound_dsp(const struct file_operations *fops, int dev); 16 17 extern void unregister_sound_special(int unit); 18 extern void unregister_sound_mixer(int unit); 19 extern void unregister_sound_midi(int unit); 20 extern void unregister_sound_dsp(int unit); 21 #endif /* _LINUX_SOUND_H */ 22