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[Jesse Sung <1417363@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

The touchpad on XPS 2015 would work in I2C mode with kernel 3.16+ and it would stop working after resume from suspend with an utopic kernel. This issue can be fixed by introducing two commits from upstream:
109571c - HID: i2c-hid: call the hid driver's suspend and resume callbacks
5b44c53 - HID: i2c-hid: Do not free buffers in i2c_hid_stop()

** Affects: hwe-next
     Importance: Undecided
     Assignee: Jesse Sung (wenchien)
         Status: In Progress

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: Jesse Sung (wenchien)
         Status: In Progress

** Changed in: hwe-next
       Status: New => In Progress

** Changed in: hwe-next
     Assignee: (unassigned) => Jesse Sung (wenchien)

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https://bugs.launchpad.net/bugs/1417363

Title:
  touchpad stops working after suspend/resume on XPS 2015

Status in HWE Next Project:
  In Progress
Status in linux package in Ubuntu:
  In Progress

Bug description:
  The touchpad on XPS 2015 would work in I2C mode with kernel 3.16+ and it would stop working after resume from suspend with an utopic kernel. This issue can be fixed by introducing two commits from upstream:
  109571c - HID: i2c-hid: call the hid driver's suspend and resume callbacks
  5b44c53 - HID: i2c-hid: Do not free buffers in i2c_hid_stop()

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