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SubjectRe: [PATCH 1/1] usb: quirks: Add no-lpm quirk for Elan Microelectronics Touchpad
From
Date
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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