USB: Add device quirk for ASUS T100 Base Station keyboard
commit ddbe1fca0b
upstream.
This full-speed USB device generates spurious remote wakeup event
as soon as USB_DEVICE_REMOTE_WAKEUP feature is set. As the result,
Linux can't enter system suspend and S0ix power saving modes once
this keyboard is used.
This patch tries to introduce USB_QUIRK_IGNORE_REMOTE_WAKEUP quirk.
With this quirk set, wakeup capability will be ignored during
device configure.
This patch could be back-ported to kernels as old as 2.6.39.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
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@ -1948,8 +1948,10 @@ void usb_set_device_state(struct usb_device *udev,
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|| new_state == USB_STATE_SUSPENDED)
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; /* No change to wakeup settings */
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else if (new_state == USB_STATE_CONFIGURED)
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wakeup = udev->actconfig->desc.bmAttributes
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& USB_CONFIG_ATT_WAKEUP;
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wakeup = (udev->quirks &
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USB_QUIRK_IGNORE_REMOTE_WAKEUP) ? 0 :
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udev->actconfig->desc.bmAttributes &
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USB_CONFIG_ATT_WAKEUP;
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else
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wakeup = 0;
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}
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@ -160,6 +160,10 @@ static const struct usb_device_id usb_interface_quirk_list[] = {
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{ USB_VENDOR_AND_INTERFACE_INFO(0x046d, USB_CLASS_VIDEO, 1, 0),
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.driver_info = USB_QUIRK_RESET_RESUME },
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/* ASUS Base Station(T100) */
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{ USB_DEVICE(0x0b05, 0x17e0), .driver_info =
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USB_QUIRK_IGNORE_REMOTE_WAKEUP },
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{ } /* terminating entry must be last */
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};
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@ -30,4 +30,7 @@
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descriptor */
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#define USB_QUIRK_DELAY_INIT 0x00000040
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/* device generates spurious wakeup, ignore remote wakeup capability */
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#define USB_QUIRK_IGNORE_REMOTE_WAKEUP 0x00000200
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#endif /* __LINUX_USB_QUIRKS_H */
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