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[Thadeu Lima de Souza Cascardo <1727228@xxxxxxxxxxxxxxxxxx>]

** Also affects: linux-oem (Ubuntu Bionic)
   Importance: Undecided
     Assignee: AceLan Kao (acelankao)
       Status: Invalid

** Changed in: linux-oem (Ubuntu Bionic)
       Status: Invalid => Fix Committed

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https://bugs.launchpad.net/bugs/1727228

Title:
  ath9k can't connect to wifi AP

Status in HWE Next:
  Fix Released
Status in linux-oem package in Ubuntu:
  Fix Committed
Status in linux-oem source package in Xenial:
  Fix Released
Status in linux-oem source package in Bionic:
  Fix Committed

Bug description:
  [Impact]
  iwlist scan can search the available wifi APs, but can't get connected.

  On new Intel platforms like ApolloLake, legacy interrupt mechanism
  (INTx) is not supported, so WLAN modules are not working because
  interrupts are missing.

  The affected and listed platforms are
  Dell Inspiron 24-3460
  Dell Inspiron 14-3473
  Dell Inspiron 3472
  Dell Inspiron 3576
  Dell Vostro 3262
  Dell Vostro 15-3572
  Dell Vostro 3578

  [Fix]
  Qualcomm provided a MSI patch for ath9k, and it fixes the issue.

  [Test Case]
  Tested on the machines mentioned above, and they all work well.

  [Regression Potential]
  There shouldn't  be any regression potential. These are newly enabled machines and quirks are applied based on DMI_PRODUCT_NAME to only use MSI on such machines.

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