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/*
* USB device quirk handling logic and table
*
* Copyright (c) 2007 Oliver Neukum
* Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, version 2.
*
*
*/
#include <linux/usb.h>
#include <linux/usb/quirks.h>
#include "usb.h"
/* List of quirky USB devices. Please keep this list ordered by:
* 1) Vendor ID
* 2) Product ID
* 3) Class ID
*
* as we want specific devices to be overridden first, and only after that, any
* class specific quirks.
*
* Right now the logic aborts if it finds a valid device in the table, we might
* want to change that in the future if it turns out that a whole class of
* devices is broken...
*/
static const struct usb_device_id usb_quirk_list[] = {
/* CBM - Flash disk */
{ USB_DEVICE(0x0204, 0x6025), .driver_info = USB_QUIRK_RESET_RESUME },
/* HP 5300/5370C scanner */
{ USB_DEVICE(0x03f0, 0x0701), .driver_info =
USB_QUIRK_STRING_FETCH_255 },
/* Creative SB Audigy 2 NX */
{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
/* Philips PSC805 audio device */
{ USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME },
/* Roland SC-8820 */
{ USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
/* Edirol SD-20 */
{ USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME },
/* appletouch */
{ USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },
/* Avision AV600U */
{ USB_DEVICE(0x0638, 0x0a13), .driver_info =
USB_QUIRK_STRING_FETCH_255 },
/* Saitek Cyborg Gold Joystick */
{ USB_DEVICE(0x06a3, 0x0006), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
/* M-Systems Flash Disk Pioneers */
{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
/* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
{ USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },
/* Action Semiconductor flash disk */
{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
USB_QUIRK_STRING_FETCH_255 },
/* SKYMEDI USB_DRIVE */
{ USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },
/* INTEL VALUE SSD */
{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
{ } /* terminating entry must be last */
};
static const struct usb_device_id *find_id(struct usb_device *udev)
{
const struct usb_device_id *id = usb_quirk_list;
for (; id->idVendor || id->bDeviceClass || id->bInterfaceClass ||
id->driver_info; id++) {
if (usb_match_device(udev, id))
return id;
}
return NULL;
}
/*
* Detect any quirks the device has, and do any housekeeping for it if needed.
*/
void usb_detect_quirks(struct usb_device *udev)
{
const struct usb_device_id *id = usb_quirk_list;
id = find_id(udev);
if (id)
udev->quirks = (u32)(id->driver_info);
if (udev->quirks)
dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
udev->quirks);
#ifdef CONFIG_USB_SUSPEND
/* By default, disable autosuspend for all devices. The hub driver
* will enable it for hubs.
*/
usb_disable_autosuspend(udev);
/* Autosuspend can also be disabled if the initial autosuspend_delay
* is negative.
*/
if (udev->autosuspend_delay < 0)
usb_autoresume_device(udev);
#endif
/* For the present, all devices default to USB-PERSIST enabled */
#if 0 /* was: #ifdef CONFIG_PM */
/* Hubs are automatically enabled for USB-PERSIST */
if (udev->descriptor.bDeviceClass == USB_CLASS_HUB)
udev->persist_enabled = 1;
#else
/* In the absence of PM, we can safely enable USB-PERSIST
* for all devices. It will affect things like hub resets
* and EMF-related port disables.
*/
if (!(udev->quirks & USB_QUIRK_RESET_MORPHS))
udev->persist_enabled = 1;
#endif /* CONFIG_PM */
}
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