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Add a quirk for devices that lie about how they are powered.

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This commit is contained in:
augustss 1999-10-11 09:16:39 +00:00
parent d0bbed5169
commit 740ae27d5a
2 changed files with 5 additions and 3 deletions
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3
sys/dev/usb/usb_quirks.h
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@ -1,4 +1,4 @@
/* $NetBSD: usb_quirks.h,v 1.7 1999/06/26 00:09:15 augustss Exp $ */
/* $NetBSD: usb_quirks.h,v 1.8 1999/10/11 09:16:39 augustss Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -44,6 +44,7 @@ struct usbd_quirks {
#define UQ_MS_REVZ 0x04 /* mouse has Z-axis reversed */
#define UQ_NO_STRINGS 0x08 /* string descriptors are broken. */
#define UQ_BAD_ADC 0x10 /* bad audio spec version number. */
#define UQ_BUS_POWERED 0x20 /* device is bus powered, despite claim */
};
extern struct usbd_quirks usbd_no_quirk;

5
sys/dev/usb/usb_subr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: usb_subr.c,v 1.48 1999/09/16 19:20:34 augustss Exp $ */
/* $NetBSD: usb_subr.c,v 1.49 1999/10/11 09:16:39 augustss Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -578,7 +578,8 @@ usbd_set_config_index(dev, index, msg)
goto bad;
}
selfpowered = 0;
if (cdp->bmAttributes & UC_SELF_POWERED) {
if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) &&
cdp->bmAttributes & UC_SELF_POWERED) {
/* May be self powered. */
if (cdp->bmAttributes & UC_BUS_POWERED) {
/* Must ask device. */