Messages in this thread | | | Subject | Re: [PATCH 1/1] usb: quirks: Add no-lpm quirk for Elan Microelectronics Touchpad | From | Lu Baolu <> | Date | Fri, 8 Jul 2016 09:05:29 +0800 |
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Hi,
On 07/07/2016 05:53 AM, Joseph Salisbury wrote: > BugLink: http://bugs.launchpad.net/bugs/1498667 > > As reported in BugLink, this device has an issue with Linux Power Management so
s/"Linux Power Management"/"USB Link Power Management"
Best regards, Lu Baolu
> 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> > Cc: stable <stable@vger.kernel.org> > > --- > drivers/usb/core/quirks.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c > index 944a6dc..a33d003 100644 > --- a/drivers/usb/core/quirks.c > +++ b/drivers/usb/core/quirks.c > @@ -198,6 +198,9 @@ static const struct usb_device_id usb_quirk_list[] = { > /* Protocol and OTG Electrical Test Device */ > { USB_DEVICE(0x1a0a, 0x0200), .driver_info = > USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL }, > + > + /* ELAN Microelectronics Touchscreen */ > + { USB_DEVICE(0x04f3, 0x0381), .driver_info = USB_QUIRK_NO_LPM }, > > /* Acer C120 LED Projector */ > { USB_DEVICE(0x1de1, 0xc102), .driver_info = USB_QUIRK_NO_LPM },
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