snd_pcm_ops Struct Reference

#include <pcm.h>

Data Fields
int(*	open )(struct snd_pcm_substream *substream)
int(*	close )(struct snd_pcm_substream *substream)
int(*	ioctl )(struct snd_pcm_substream *substream, unsigned int cmd, void *arg)
int(*	hw_params )(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
int(*	hw_free )(struct snd_pcm_substream *substream)
int(*	prepare )(struct snd_pcm_substream *substream)
int(*	trigger )(struct snd_pcm_substream *substream, int cmd)
snd_pcm_uframes_t(*	pointer )(struct snd_pcm_substream *substream)
int(*	copy )(struct snd_pcm_substream *substream, int channel, snd_pcm_uframes_t pos, void __user *buf, snd_pcm_uframes_t count)
int(*	silence )(struct snd_pcm_substream *substream, int channel, snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
struct page *(*	page )(struct snd_pcm_substream *substream, unsigned long offset)
int(*	mmap )(struct snd_pcm_substream *substream, struct vm_area_struct *vma)
int(*	ack )(struct snd_pcm_substream *substream)

Detailed Description

Definition at line 63 of file pcm.h.

Field Documentation

int(* ack)(struct snd_pcm_substream *substream)

Definition at line 82 of file pcm.h.

int(* close)(struct snd_pcm_substream *substream)

Definition at line 65 of file pcm.h.

int(* copy)(struct snd_pcm_substream *substream, int channel, snd_pcm_uframes_t pos, void __user *buf, snd_pcm_uframes_t count)

Definition at line 74 of file pcm.h.

int(* hw_free)(struct snd_pcm_substream *substream)

Definition at line 70 of file pcm.h.

int(* hw_params)(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)

Definition at line 68 of file pcm.h.

int(* ioctl)(struct snd_pcm_substream *substream, unsigned int cmd, void *arg)

Definition at line 66 of file pcm.h.

int(* mmap)(struct snd_pcm_substream *substream, struct vm_area_struct *vma)

Definition at line 81 of file pcm.h.

int(* open)(struct snd_pcm_substream *substream)

Definition at line 64 of file pcm.h.

struct page*(* page)(struct snd_pcm_substream *substream, unsigned long offset)

read

Definition at line 79 of file pcm.h.

snd_pcm_uframes_t(* pointer)(struct snd_pcm_substream *substream)

Definition at line 73 of file pcm.h.

int(* prepare)(struct snd_pcm_substream *substream)

Definition at line 71 of file pcm.h.

int(* silence)(struct snd_pcm_substream *substream, int channel, snd_pcm_uframes_t pos, snd_pcm_uframes_t count)

Definition at line 77 of file pcm.h.

int(* trigger)(struct snd_pcm_substream *substream, int cmd)

Definition at line 72 of file pcm.h.

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The documentation for this struct was generated from the following file:

• include/sound/pcm.h