helper.h File Reference

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Macros
#define	get_iface_desc(iface)   (&(iface)->desc)
#define	get_endpoint(alt, ep)   (&(alt)->endpoint[ep].desc)
#define	get_ep_desc(ep)   (&(ep)->desc)
#define	get_cfg_desc(cfg)   (&(cfg)->desc)
#define	snd_usb_get_speed(dev)   ((dev)->speed)

Functions
unsigned int	snd_usb_combine_bytes (unsigned char *bytes, int size)
void *	snd_usb_find_desc (void *descstart, int desclen, void *after, u8 dtype)
void *	snd_usb_find_csint_desc (void *descstart, int desclen, void *after, u8 dsubtype)
int	snd_usb_ctl_msg (struct usb_device *dev, unsigned int pipe, __u8 request, __u8 requesttype, __u16 value, __u16 index, void *data, __u16 size)
unsigned char	snd_usb_parse_datainterval (struct snd_usb_audio *chip, struct usb_host_interface *alts)

Macro Definition Documentation

#define get_cfg_desc

(

cfg

)

(&(cfg)->desc)

Definition at line 24 of file helper.h.

#define get_endpoint	(		alt,
			ep
	)		(&(alt)->endpoint[ep].desc)

Definition at line 22 of file helper.h.

#define get_ep_desc

(

ep

)

(&(ep)->desc)

Definition at line 23 of file helper.h.

#define get_iface_desc

(

iface

)

(&(iface)->desc)

Definition at line 21 of file helper.h.

#define snd_usb_get_speed

(

dev

)

((dev)->speed)

Definition at line 28 of file helper.h.

Function Documentation

unsigned int snd_usb_combine_bytes	(	unsigned char *	bytes,
		int	size
	)

Definition at line 29 of file helper.c.

int snd_usb_ctl_msg	(	struct usb_device *	dev,
		unsigned int	pipe,
		__u8	request,
		__u8	requesttype,
		__u16	value,
		__u16	index,
		void *	data,
		__u16	size
	)

Definition at line 83 of file helper.c.

void* snd_usb_find_csint_desc	(	void *	descstart,
		int	desclen,
		void *	after,
		u8	dsubtype
	)

Definition at line 67 of file helper.c.

void* snd_usb_find_desc	(	void *	descstart,
		int	desclen,
		void *	after,
		u8	dtype
	)

Definition at line 44 of file helper.c.

unsigned char snd_usb_parse_datainterval	(	struct snd_usb_audio *	chip,
		struct usb_host_interface *	alts
	)

Definition at line 108 of file helper.c.