root/include/linux/sound.h

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INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_SOUND_H
   3 #define _LINUX_SOUND_H
   4 
   5 #include <uapi/linux/sound.h>
   6 
   7 /*
   8  *      Sound core interface functions
   9  */
  10  
  11 struct device;
  12 extern int register_sound_special(const struct file_operations *fops, int unit);
  13 extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev);
  14 extern int register_sound_mixer(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_dsp(int unit);
  20 #endif /* _LINUX_SOUND_H */
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