~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/sound/usb/helper.h

Version: ~ [ linux-5.10-rc6 ] ~ [ linux-5.9.12 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.81 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.161 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.210 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.247 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.247 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 #ifndef __USBAUDIO_HELPER_H
  2 #define __USBAUDIO_HELPER_H
  3 
  4 unsigned int snd_usb_combine_bytes(unsigned char *bytes, int size);
  5 
  6 void *snd_usb_find_desc(void *descstart, int desclen, void *after, u8 dtype);
  7 void *snd_usb_find_csint_desc(void *descstart, int desclen, void *after, u8 dsubtype);
  8 
  9 int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe,
 10                     __u8 request, __u8 requesttype, __u16 value, __u16 index,
 11                     void *data, __u16 size);
 12 
 13 unsigned char snd_usb_parse_datainterval(struct snd_usb_audio *chip,
 14                                          struct usb_host_interface *alts);
 15 
 16 /*
 17  * retrieve usb_interface descriptor from the host interface
 18  * (conditional for compatibility with the older API)
 19  */
 20 #ifndef get_iface_desc
 21 #define get_iface_desc(iface)   (&(iface)->desc)
 22 #define get_endpoint(alt,ep)    (&(alt)->endpoint[ep].desc)
 23 #define get_ep_desc(ep)         (&(ep)->desc)
 24 #define get_cfg_desc(cfg)       (&(cfg)->desc)
 25 #endif
 26 
 27 #ifndef snd_usb_get_speed
 28 #define snd_usb_get_speed(dev) ((dev)->speed)
 29 #endif
 30 
 31 static inline int snd_usb_ctrl_intf(struct snd_usb_audio *chip)
 32 {
 33         return get_iface_desc(chip->ctrl_intf)->bInterfaceNumber;
 34 }
 35 
 36 #endif /* __USBAUDIO_HELPER_H */
 37 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp