diff options
Diffstat (limited to 'sound/usb/helper.h')
| -rw-r--r-- | sound/usb/helper.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sound/usb/helper.h b/sound/usb/helper.h index 5e8a18b4e7b9..0372e050b3dc 100644 --- a/sound/usb/helper.h +++ b/sound/usb/helper.h @@ -7,7 +7,6 @@ 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_pipe_sanity_check(struct usb_device *dev, unsigned int pipe); int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe, __u8 request, __u8 requesttype, __u16 value, __u16 index, void *data, __u16 size); @@ -15,6 +14,15 @@ int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe, unsigned char snd_usb_parse_datainterval(struct snd_usb_audio *chip, struct usb_host_interface *alts); +struct usb_host_interface * +snd_usb_get_host_interface(struct snd_usb_audio *chip, int ifnum, int altsetting); + +int snd_usb_add_ctrl_interface_link(struct snd_usb_audio *chip, int ifnum, + int ctrlif); + +struct usb_host_interface *snd_usb_find_ctrl_interface(struct snd_usb_audio *chip, + int ifnum); + /* * retrieve usb_interface descriptor from the host interface * (conditional for compatibility with the older API) @@ -26,9 +34,9 @@ unsigned char snd_usb_parse_datainterval(struct snd_usb_audio *chip, #define snd_usb_get_speed(dev) ((dev)->speed) -static inline int snd_usb_ctrl_intf(struct snd_usb_audio *chip) +static inline int snd_usb_ctrl_intf(struct usb_host_interface *ctrl_intf) { - return get_iface_desc(chip->ctrl_intf)->bInterfaceNumber; + return get_iface_desc(ctrl_intf)->bInterfaceNumber; } /* in validate.c */ |