include/linux/usb/quirks.h

   1 /*
   2  * This file holds the definitions of quirks found in USB devices.
   3  * Only quirks that affect the whole device, not an interface,
   4  * belong here.
   5  */
   6
   7 #ifndef __LINUX_USB_QUIRKS_H
   8 #define __LINUX_USB_QUIRKS_H
   9
  10 /* string descriptors must not be fetched using a 255-byte read */
  11 #define USB_QUIRK_STRING_FETCH_255      0x00000001
  12
  13 /* device can't resume correctly so reset it instead */
  14 #define USB_QUIRK_RESET_RESUME          0x00000002
  15
  16 /* device can't handle Set-Interface requests */
  17 #define USB_QUIRK_NO_SET_INTF           0x00000004
  18
  19 /* device can't handle its Configuration or Interface strings */
  20 #define USB_QUIRK_CONFIG_INTF_STRINGS   0x00000008
  21
  22 /*device will morph if reset, don't use reset for handling errors */
  23 #define USB_QUIRK_RESET_MORPHS          0x00000010
  24
  25 /* device has more interface descriptions than the bNumInterfaces count,
  26    and can't handle talking to these interfaces */
  27 #define USB_QUIRK_HONOR_BNUMINTERFACES  0x00000020
  28
  29 /* device needs a pause during initialization, after we read the device
  30    descriptor */
  31 #define USB_QUIRK_DELAY_INIT            0x00000040
  32
  33 #endif /* __LINUX_USB_QUIRKS_H */