2 * USB device quirk handling logic and table
4 * Copyright (c) 2007 Oliver Neukum
5 * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation, version 2.
14 #include <linux/usb.h>
15 #include <linux/usb/quirks.h>
18 /* List of quirky USB devices. Please keep this list ordered by:
23 * as we want specific devices to be overridden first, and only after that, any
24 * class specific quirks.
26 * Right now the logic aborts if it finds a valid device in the table, we might
27 * want to change that in the future if it turns out that a whole class of
28 * devices is broken...
30 static const struct usb_device_id usb_quirk_list[] = {
31 /* HP 5300/5370C scanner */
32 { USB_DEVICE(0x03f0, 0x0701), .driver_info = USB_QUIRK_STRING_FETCH_255 },
33 /* Seiko Epson Corp - Perfection 1670 */
34 { USB_DEVICE(0x04b8, 0x011f), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
35 /* Samsung ML-2510 Series printer */
36 { USB_DEVICE(0x04e8, 0x327e), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
37 /* Elsa MicroLink 56k (V.250) */
38 { USB_DEVICE(0x05cc, 0x2267), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
40 /* Philips PSC805 audio device */
41 { USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME },
44 { USB_DEVICE(0x0fca, 0x0001), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
45 { USB_DEVICE(0x0fca, 0x0004), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
46 { USB_DEVICE(0x0fca, 0x0006), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
48 { } /* terminating entry must be last */
51 static void usb_autosuspend_quirk(struct usb_device *udev)
53 #ifdef CONFIG_USB_SUSPEND
54 /* disable autosuspend, but allow the user to re-enable it via sysfs */
55 udev->autosuspend_disabled = 1;
59 static const struct usb_device_id *find_id(struct usb_device *udev)
61 const struct usb_device_id *id = usb_quirk_list;
63 for (; id->idVendor || id->bDeviceClass || id->bInterfaceClass ||
64 id->driver_info; id++) {
65 if (usb_match_device(udev, id))
72 * Detect any quirks the device has, and do any housekeeping for it if needed.
74 void usb_detect_quirks(struct usb_device *udev)
76 const struct usb_device_id *id = usb_quirk_list;
80 udev->quirks = (u32)(id->driver_info);
82 dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
85 /* do any special quirk handling here if needed */
86 if (udev->quirks & USB_QUIRK_NO_AUTOSUSPEND)
87 usb_autosuspend_quirk(udev);