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-rw-r--r--payloads/libpayload/include/usb/usb.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/payloads/libpayload/include/usb/usb.h b/payloads/libpayload/include/usb/usb.h
index 3aac2aee6c..ab457088f8 100644
--- a/payloads/libpayload/include/usb/usb.h
+++ b/payloads/libpayload/include/usb/usb.h
@@ -91,6 +91,8 @@ typedef struct {
int toggle;
int maxpacketsize;
endpoint_type type;
+ int interval; /* expressed as binary logarithm of the number
+ of microframes (i.e. t = 125us * 2^interval) */
} endpoint_t;
enum { FULL_SPEED = 0, LOW_SPEED = 1, HIGH_SPEED = 2, SUPER_SPEED = 3 };