snd_usb_substream Struct Reference

#include <card.h>

Data Fields
struct snd_usb_stream *	stream
struct usb_device *	dev
struct snd_pcm_substream *	pcm_substream
int	direction
int	interface
int	endpoint
struct audioformat *	cur_audiofmt
snd_pcm_format_t	pcm_format
unsigned int	channels
unsigned int	cur_rate
unsigned int	period_bytes
unsigned int	altset_idx
unsigned int	txfr_quirk:1
unsigned int	fmt_type
unsigned int	running: 1
unsigned int	hwptr_done
unsigned int	transfer_done
unsigned int	ep_num
struct snd_usb_endpoint *	data_endpoint
struct snd_usb_endpoint *	sync_endpoint
unsigned long	flags
bool	need_setup_ep
unsigned int	speed
u64	formats
unsigned int	num_formats
struct list_head	fmt_list
struct snd_pcm_hw_constraint_list	rate_list
spinlock_t	lock
int	last_frame_number
int	last_delay

Detailed Description

Definition at line 102 of file card.h.

Field Documentation

unsigned int altset_idx

Definition at line 114 of file card.h.

unsigned int channels

Definition at line 111 of file card.h.

struct audioformat* cur_audiofmt

Definition at line 109 of file card.h.

unsigned int cur_rate

Definition at line 112 of file card.h.

struct snd_usb_endpoint* data_endpoint

Definition at line 125 of file card.h.

struct usb_device* dev

Definition at line 104 of file card.h.

int direction

Definition at line 106 of file card.h.

int endpoint

Definition at line 108 of file card.h.

unsigned int ep_num

Definition at line 124 of file card.h.

unsigned long flags

Definition at line 127 of file card.h.

struct list_head fmt_list

Definition at line 133 of file card.h.

unsigned int fmt_type

Definition at line 116 of file card.h.

u64 formats

Definition at line 131 of file card.h.

unsigned int hwptr_done

Definition at line 120 of file card.h.

int interface

Definition at line 107 of file card.h.

int last_delay

Definition at line 138 of file card.h.

int last_frame_number

Definition at line 137 of file card.h.

spinlock_t lock

Definition at line 135 of file card.h.

bool need_setup_ep

Definition at line 128 of file card.h.

unsigned int num_formats

Definition at line 132 of file card.h.

snd_pcm_format_t pcm_format

Definition at line 110 of file card.h.

struct snd_pcm_substream* pcm_substream

Definition at line 105 of file card.h.

unsigned int period_bytes

Definition at line 113 of file card.h.

struct snd_pcm_hw_constraint_list rate_list

Definition at line 134 of file card.h.

unsigned int running

Definition at line 118 of file card.h.

unsigned int speed

Definition at line 129 of file card.h.

struct snd_usb_stream* stream

Definition at line 103 of file card.h.

struct snd_usb_endpoint* sync_endpoint

Definition at line 126 of file card.h.

unsigned int transfer_done

Definition at line 121 of file card.h.

unsigned int txfr_quirk

Definition at line 115 of file card.h.

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

• sound/usb/card.h