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sound: Remove unused register_sound_midi() and co 

These helpers are no longer used after the removal of the legacy OSS
drivers.  Let's clean up.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2018-01-11 17:05:23 +01:00
parent c64ed5dd9f
commit 4d885f2d3b
2 changed files with 0 additions and 37 deletions
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2
include/linux/sound.h
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@ -12,11 +12,9 @@ struct device;
extern int register_sound_special(const struct file_operations *fops, int unit);
extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev);
extern int register_sound_mixer(const struct file_operations *fops, int dev);
extern int register_sound_midi(const struct file_operations *fops, int dev);
extern int register_sound_dsp(const struct file_operations *fops, int dev);
extern void unregister_sound_special(int unit);
extern void unregister_sound_mixer(int unit);
extern void unregister_sound_midi(int unit);
extern void unregister_sound_dsp(int unit);
#endif /* _LINUX_SOUND_H */

35
sound/sound_core.c
View File

@ -452,26 +452,6 @@ int register_sound_mixer(const struct file_operations *fops, int dev)
EXPORT_SYMBOL(register_sound_mixer);
/**
* register_sound_midi - register a midi device
* @fops: File operations for the driver
* @dev: Unit number to allocate
*
* Allocate a midi device. Unit is the number of the midi device requested.
* Pass -1 to request the next free midi unit.
*
* Return: On success, the allocated number is returned. On failure,
* a negative error code is returned.
*/
int register_sound_midi(const struct file_operations *fops, int dev)
{
return sound_insert_unit(&chains[2], fops, dev, 2, 130,
"midi", S_IRUSR | S_IWUSR, NULL);
}
EXPORT_SYMBOL(register_sound_midi);
/*
* DSP's are registered as a triple. Register only one and cheat
* in open - see below.
@ -532,21 +512,6 @@ void unregister_sound_mixer(int unit)
EXPORT_SYMBOL(unregister_sound_mixer);
/**
* unregister_sound_midi - unregister a midi device
* @unit: unit number to allocate
*
* Release a sound device that was allocated with register_sound_midi().
* The unit passed is the return value from the register function.
*/
void unregister_sound_midi(int unit)
{
sound_remove_unit(&chains[2], unit);
}
EXPORT_SYMBOL(unregister_sound_midi);
/**
* unregister_sound_dsp - unregister a DSP device
* @unit: unit number to allocate