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

[Lu Baolu]

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@xxxxxxxxxxxxx>
> Cc: stable <stable@xxxxxxxxxxxxxxx>
>
> ---
>  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 },