6682bb86fe
Place reinclusion guards on linux/sound.h otherwise the UAPI splitter script won't insert a #include to make the kernel header include the UAPI header. Signed-off-by: David Howells <dhowells@redhat.com>
48 lines
1.8 KiB
C
48 lines
1.8 KiB
C
#ifndef _LINUX_SOUND_H
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#define _LINUX_SOUND_H
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/*
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* Minor numbers for the sound driver.
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*/
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#include <linux/fs.h>
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#define SND_DEV_CTL 0 /* Control port /dev/mixer */
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#define SND_DEV_SEQ 1 /* Sequencer output /dev/sequencer (FM
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synthesizer and MIDI output) */
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#define SND_DEV_MIDIN 2 /* Raw midi access */
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#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */
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#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */
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#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */
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/* #define SND_DEV_STATUS 6 */ /* /dev/sndstat (obsolete) */
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#define SND_DEV_UNUSED 6
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#define SND_DEV_AWFM 7 /* Reserved */
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#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */
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/* #define SND_DEV_SNDPROC 9 */ /* /dev/sndproc for programmable devices (not used) */
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/* #define SND_DEV_DMMIDI 9 */
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#define SND_DEV_SYNTH 9 /* Raw synth access /dev/synth (same as /dev/dmfm) */
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#define SND_DEV_DMFM 10 /* Raw synth access /dev/dmfm */
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#define SND_DEV_UNKNOWN11 11
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#define SND_DEV_ADSP 12 /* Like /dev/dsp (obsolete) */
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#define SND_DEV_AMIDI 13 /* Like /dev/midi (obsolete) */
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#define SND_DEV_ADMMIDI 14 /* Like /dev/dmmidi (onsolete) */
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#ifdef __KERNEL__
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/*
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* Sound core interface functions
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*/
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struct device;
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extern int register_sound_special(const struct file_operations *fops, int unit);
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extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev);
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extern int register_sound_mixer(const struct file_operations *fops, int dev);
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extern int register_sound_midi(const struct file_operations *fops, int dev);
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extern int register_sound_dsp(const struct file_operations *fops, int dev);
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extern void unregister_sound_special(int unit);
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extern void unregister_sound_mixer(int unit);
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extern void unregister_sound_midi(int unit);
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extern void unregister_sound_dsp(int unit);
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#endif /* __KERNEL__ */
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#endif /* _LINUX_SOUND_H */
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