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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[] = {
/* HP 5300/5370C scanner */
{ USB_DEVICE(0x03f0, 0x0701), .driver_info = USB_QUIRK_STRING_FETCH_255 },
/* Acer Peripherals Inc. (now BenQ Corp.) Prisa 640BU */
{ USB_DEVICE(0x04a5, 0x207e), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Benq S2W 3300U */
{ USB_DEVICE(0x04a5, 0x20b0), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Canon, Inc. CanoScan N1240U/LiDE30 */
{ USB_DEVICE(0x04a9, 0x220e), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Canon, Inc. CanoScan N650U/N656U */
{ USB_DEVICE(0x04a9, 0x2206), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Canon, Inc. CanoScan 1220U */
{ USB_DEVICE(0x04a9, 0x2207), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Canon, Inc. CanoScan N670U/N676U/LiDE 20 */
{ USB_DEVICE(0x04a9, 0x220d), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* old Cannon scanner */
{ USB_DEVICE(0x04a9, 0x2220), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Seiko Epson Corp. Perfection 1200 */
{ USB_DEVICE(0x04b8, 0x0104), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Seiko Epson Corp. Perfection 660 */
{ USB_DEVICE(0x04b8, 0x0114), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Epson Perfection 1260 Photo */
{ USB_DEVICE(0x04b8, 0x011d), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Seiko Epson Corp - Perfection 1670 */
{ USB_DEVICE(0x04b8, 0x011f), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* EPSON Perfection 2480 */
{ USB_DEVICE(0x04b8, 0x0121), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Seiko Epson Corp.*/
{ USB_DEVICE(0x04b8, 0x0122), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Samsung ML-2510 Series printer */
{ USB_DEVICE(0x04e8, 0x327e), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Elsa MicroLink 56k (V.250) */
{ USB_DEVICE(0x05cc, 0x2267), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Ultima Electronics Corp.*/
{ USB_DEVICE(0x05d8, 0x4005), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Agfa Snapscan1212u */
{ USB_DEVICE(0x06bd, 0x2061), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Umax [hex] Astra 3400U */
{ USB_DEVICE(0x1606, 0x0060), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
/* Philips PSC805 audio device */
{ USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME },
/* RIM Blackberry */
{ USB_DEVICE(0x0fca, 0x0001), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
{ USB_DEVICE(0x0fca, 0x0004), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
{ USB_DEVICE(0x0fca, 0x0006), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
{ } /* terminating entry must be last */
};
static void usb_autosuspend_quirk(struct usb_device *udev)
{
#ifdef CONFIG_USB_SUSPEND
/* disable autosuspend, but allow the user to re-enable it via sysfs */
udev->autosuspend_disabled = 1;
#endif
}
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);
/* do any special quirk handling here if needed */
if (udev->quirks & USB_QUIRK_NO_AUTOSUSPEND)
usb_autosuspend_quirk(udev);
}
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