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[Bug 1796634] Re: [0cf3:e007] Can't turn on BT by Wireless hotkey

 

** Also affects: linux-firmware (Ubuntu Cosmic)
   Importance: Undecided
     Assignee: AceLan Kao (acelankao)
       Status: In Progress

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https://bugs.launchpad.net/bugs/1796634

Title:
  [0cf3:e007] Can't turn on BT by Wireless hotkey

Status in HWE Next:
  New
Status in OEM Priority Project:
  New
Status in Gaming Edition:
  New
Status in linux-firmware package in Ubuntu:
  In Progress
Status in linux-firmware source package in Xenial:
  New
Status in linux-firmware source package in Bionic:
  New
Status in linux-firmware source package in Cosmic:
  In Progress

Bug description:
  [Impact]
  The issue has been found on new Dell laptop with DW1820 combo card(BT is [0cf3:e007])
  1) Use wireless hotkey to turn off WiFi/BT.
  2) Wait 5 minutes.
  3) Use wireless hotkey to turn on WiFi/BT.
  4) Wifi is back, but BT is still off
  5) Only reboot can recovery the BT state

  [Fix]
  Qualcomm releases a new firmware to fix it.

  [Regression Potential]
  Can't evaluate it, but from our verification and S3 stress test,
  there is no any issues result from the firmwares.

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