f_uac1.c File Reference

#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/atomic.h>
#include "u_uac1.h"

Go to the source code of this file.

Data Structures
struct	f_audio_buf
struct	f_audio

Macros
#define	OUT_EP_MAX_PACKET_SIZE   200
#define	F_AUDIO_AC_INTERFACE   0
#define	F_AUDIO_AS_INTERFACE   1
#define	F_AUDIO_NUM_INTERFACES   2
#define	UAC_DT_AC_HEADER_LENGTH   UAC_DT_AC_HEADER_SIZE(F_AUDIO_NUM_INTERFACES)
#define	UAC_DT_TOTAL_LENGTH
#define	INPUT_TERMINAL_ID   1
#define	FEATURE_UNIT_ID   2
#define	OUTPUT_TERMINAL_ID   3

Functions
	module_param (req_buf_size, int, S_IRUGO)
	MODULE_PARM_DESC (req_buf_size,"ISO OUT endpoint request buffer size")
	module_param (req_count, int, S_IRUGO)
	MODULE_PARM_DESC (req_count,"ISO OUT endpoint request count")
	module_param (audio_buf_size, int, S_IRUGO)
	MODULE_PARM_DESC (audio_buf_size,"Audio buffer size")
	DECLARE_UAC_AC_HEADER_DESCRIPTOR (2)
	DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR (0)
	DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC (1)
int __init	control_selector_init (struct f_audio *audio)
int __init	audio_bind_config (struct usb_configuration *c)

Macro Definition Documentation

#define F_AUDIO_AC_INTERFACE   0

Definition at line 44 of file f_uac1.c.

#define F_AUDIO_AS_INTERFACE   1

Definition at line 45 of file f_uac1.c.

#define F_AUDIO_NUM_INTERFACES   2

Definition at line 46 of file f_uac1.c.

#define FEATURE_UNIT_ID   2

Definition at line 90 of file f_uac1.c.

#define INPUT_TERMINAL_ID   1

Definition at line 77 of file f_uac1.c.

#define OUT_EP_MAX_PACKET_SIZE   200

Definition at line 19 of file f_uac1.c.

#define OUTPUT_TERMINAL_ID   3

Definition at line 127 of file f_uac1.c.

#define UAC_DT_AC_HEADER_LENGTH   UAC_DT_AC_HEADER_SIZE(F_AUDIO_NUM_INTERFACES)

Definition at line 59 of file f_uac1.c.

#define UAC_DT_TOTAL_LENGTH

Value:

(UAC_DT_AC_HEADER_LENGTH + UAC_DT_INPUT_TERMINAL_SIZE \
    + UAC_DT_OUTPUT_TERMINAL_SIZE + UAC_DT_FEATURE_UNIT_SIZE(0))

Definition at line 61 of file f_uac1.c.

Function Documentation

int __init audio_bind_config

(

struct usb_configuration *

c

)

audio_bind_config - add USB audio function to a configuration : the configuration to supcard the USB audio function Context: single threaded during gadget setup

Returns zero on success, else negative errno.

Definition at line 730 of file f_uac1.c.

int __init control_selector_init

(

struct f_audio *

audio

)

Definition at line 706 of file f_uac1.c.

DECLARE_UAC_AC_HEADER_DESCRIPTOR

(

2

)

DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR

(

0

)

DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC

(

1

)

module_param	(	req_buf_size	,
		int	,
		S_IRUGO
	)

module_param	(	req_count	,
		int	,
		S_IRUGO
	)

module_param	(	audio_buf_size	,
		int	,
		S_IRUGO
	)

MODULE_PARM_DESC	(	req_buf_size	,
		"ISO OUT endpoint request buffer size"
	)

MODULE_PARM_DESC	(	req_count	,
		"ISO OUT endpoint request count"
	)

MODULE_PARM_DESC	(	audio_buf_size	,
		"Audio buffer size"
	)