[PATCH 4.4 004/138] usb: quirks: Add no-lpm quirk for Elan

Greg Kroah-Hartman
2016-08-18T14:03:23Z

From: Joseph Salisbury <joseph.salisbury@canonical.com>

commit 25b1f9acc452209ae0fcc8c1332be852b5c52f53 upstream.

BugLink: http://bugs.launchpad.net/bugs/1498667

As reported in BugLink, this device has an issue with Linux Power
Management so adding a quirk. This quirk was reccomended by Alan Stern:

http://lkml.iu.edu/hypermail/linux/kernel/1606.2/05590.html

Signed-off-by: Joseph Salisbury <joseph.salisbury@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/usb/core/quirks.c | 3 +++
1 file changed, 3 insertions(+)

--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -128,6 +128,9 @@ static const struct usb_device_id usb_qu
{ USB_DEVICE(0x04f3, 0x016f), .driver_info =
USB_QUIRK_DEVICE_QUALIFIER },

+ { USB_DEVICE(0x04f3, 0x0381), .driver_info =
+ USB_QUIRK_NO_LPM },
+
{ USB_DEVICE(0x04f3, 0x21b8), .driver_info =
USB_QUIRK_DEVICE_QUALIFIER },