diff options
Diffstat (limited to 'include/linux/usb/quirks.h')
| -rw-r--r-- | include/linux/usb/quirks.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h index 8eeeb876ef9c..142252c80961 100644 --- a/include/linux/usb/quirks.h +++ b/include/linux/usb/quirks.h @@ -30,6 +30,17 @@ descriptor */ #define USB_QUIRK_DELAY_INIT 0x00000040 +/* + * For high speed and super speed interupt endpoints, the USB 2.0 and + * USB 3.0 spec require the interval in microframes + * (1 microframe = 125 microseconds) to be calculated as + * interval = 2 ^ (bInterval-1). + * + * Devices with this quirk report their bInterval as the result of this + * calculation instead of the exponent variable used in the calculation. + */ +#define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL 0x00000080 + /* device generates spurious wakeup, ignore remote wakeup capability */ #define USB_QUIRK_IGNORE_REMOTE_WAKEUP 0x00000200 |