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[USBPORT] Add USB2_GetPrevMicroFrame().

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Vadim Galyant 2017-12-01 10:16:24 +09:00 committed by Amine Khaldi
parent 71a7208f69
commit e39b88e3e7
1 changed files with 13 additions and 0 deletions
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13
drivers/usb/usbport/usb2.c
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@ -52,6 +52,19 @@ USB2_IncMicroFrame(OUT PUCHAR frame,
}
}
VOID
NTAPI
USB2_GetPrevMicroFrame(OUT PUCHAR frame,
OUT PUCHAR uframe)
{
*uframe = USB2_MICROFRAMES - 1;
if (*frame)
--*frame;
else
*frame = USB2_FRAMES - 1;
}
BOOLEAN
NTAPI
USB2_CheckTtEndpointInsert(IN PUSB2_TT_ENDPOINT nextTtEndpoint,