include/uapi/linux/sound.h

Source file repositories/reference/linux-study-clean/include/uapi/linux/sound.h

File Facts

System
Linux kernel
Corpus path
include/uapi/linux/sound.h
Extension
.h
Size
1252 bytes
Lines
33
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _UAPI_LINUX_SOUND_H
#define _UAPI_LINUX_SOUND_H

/*
 * Minor numbers for the sound driver.
 */

#include <linux/fs.h>

#define SND_DEV_CTL		0	/* Control port /dev/mixer */
#define SND_DEV_SEQ		1	/* Sequencer output /dev/sequencer (FM
						synthesizer and MIDI output) */
#define SND_DEV_MIDIN		2	/* Raw midi access */
#define SND_DEV_DSP		3	/* Digitized voice /dev/dsp */
#define SND_DEV_AUDIO		4	/* Sparc compatible /dev/audio */
#define SND_DEV_DSP16		5	/* Like /dev/dsp but 16 bits/sample */
/* #define SND_DEV_STATUS	6 */	/* /dev/sndstat (obsolete) */
#define SND_DEV_UNUSED		6
#define SND_DEV_AWFM		7	/* Reserved */
#define SND_DEV_SEQ2		8	/* /dev/sequencer, level 2 interface */
/* #define SND_DEV_SNDPROC	9 */	/* /dev/sndproc for programmable devices (not used) */
/* #define SND_DEV_DMMIDI	9 */
#define SND_DEV_SYNTH		9	/* Raw synth access /dev/synth (same as /dev/dmfm) */
#define SND_DEV_DMFM		10	/* Raw synth access /dev/dmfm */
#define SND_DEV_UNKNOWN11	11
#define SND_DEV_ADSP		12	/* Like /dev/dsp (obsolete) */
#define SND_DEV_AMIDI		13	/* Like /dev/midi (obsolete) */
#define SND_DEV_ADMMIDI		14	/* Like /dev/dmmidi (onsolete) */


#endif /* _UAPI_LINUX_SOUND_H */

Annotation

Implementation Notes