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J3B1

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2 years ago

J

J3B1

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August 5th, 2024 21:29

Volume control thru DDM.exe

I am looking to control my display's built-in speakers (S2722QC) via DDM.  I have DDM 2.3.1.16 installed.  Does this DDM version have volume control exposed?

  • J3B1

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    Posted August 5th, 2024 22:41

    Nevermind, I figured it out. 

    I found "VCP:SpeakerVolume "in the SaveDiagnosticReport I created.  I was having trouble figuring out the opcode.  It is 62.  The following commands manipulate the volume through the DDM cli.

    ddm.exe /ReadControl 62

    ddm.exe /IncreaseControl 62 01

    ddm.exe /DecreaseControl 62 01

    ddm.exe /WriteControl 62 0D (sets the volume to 13%)

    Now, can we have this feature exposed to the DDM GUI alongside the Brightness / Contrast controls?

  • DELL-Chris M

    Community Manager

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    Posted August 6th, 2024 20:06

    Good work! We will notify the DDM team of your thread.


    DELL-Chris M (old account)

    #IWork4Dell