[pulseaudio-tickets] [Bug 39982] New: Cannot use internal Mic on Lenovo T500

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=39982

           Summary: Cannot use internal Mic on Lenovo T500
           Product: PulseAudio
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: core
        AssignedTo: pulseaudio-bugs at lists.freedesktop.org
        ReportedBy: russel at russel.org.uk
         QAContact: pulseaudio-bugs at lists.freedesktop.org
                CC: lennart at poettering.net


The PulseAudio Sound Preferences appears to give no way of using the internal
microphone on a Lenovo T500 running Debian Testing.  The Input volume control
appears to be for the mic input socket, there is no control for the internal
mic.  Using the Gnome ALSA Mixer there are extra controls over and above what
the PulseAudio Sound Preferences offers.  In particular there is a control
Internal, which is required to set the input level of the internal microphone
-- the power on default is zero which means the microphone is not providing
source signal.

It isn't actually clear where the problem resides, it may or may not be a
direct PulseAudio issue, but I was advised to submit a report here anyway since
PulseAudio is the default sound system control and it should be able to control
all the sound sources. 

In a sense this is a blocking bug, but there is a simple workaround so it is
not actually blocking.

I appreciate this may not be a suitably complete bug report, but I can provide
any appropriate information needed as required.

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