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[Bug 1198030] Re: System cannot detect external microphone


This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
saucy' to 'verification-done-saucy'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!

** Tags added: verification-needed-saucy

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  System cannot detect external microphone

Status in HWE Next Project:
  Fix Committed
Status in “linux” package in Ubuntu:
  Fix Released

Bug description:
  Steps to reproduce:
  1. Boot into system
  2. Plug in a 3 ring Microphone
  3. Launch Sound preference --> Input tab
  4. Observe

  Expected results: System should detect the external microphone and switch to use it
  Actual results: System fail to detect the external microphone

  Image: Ubuntu 12.04.2 OEM pre-install image

  CPU: Intel(R) Pentium(R) CPU 2117U @ 1.80GHz (2x)
  GPU: 00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09)
  Manufacturer: ASUSTeK COMPUTER INC.
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  Audio Codec - Conexant CX20751/2

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