cregit-Linux how code gets into the kernel

Release 4.7 sound/usb/helper.h

Directory: sound/usb
#ifndef __USBAUDIO_HELPER_H

#define __USBAUDIO_HELPER_H

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);

/*
 * retrieve usb_interface descriptor from the host interface
 * (conditional for compatibility with the older API)
 */
#ifndef get_iface_desc

#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)
#endif

#ifndef snd_usb_get_speed

#define snd_usb_get_speed(dev) ((dev)->speed)
#endif


static inline int snd_usb_ctrl_intf(struct snd_usb_audio *chip) { return get_iface_desc(chip->ctrl_intf)->bInterfaceNumber; }

Contributors

PersonTokensPropCommitsCommitProp
daniel mackdaniel mack22100.00%1100.00%
Total22100.00%1100.00%

#endif /* __USBAUDIO_HELPER_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
daniel mackdaniel mack177100.00%2100.00%
Total177100.00%2100.00%
Directory: sound/usb
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