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I'm trying to install bang and olufsen drivers, or HP hd audio driver, as only 2 of the 4 speakers work and the 2 amps don't work in ubuntu

lspci -v | grep -i audio
00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
    Subsystem: Hewlett-Packard Company Broadwell-U Audio Controller
00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio Controller (rev 03)
    Subsystem: Hewlett-Packard Company Wildcat Point-LP High Definition Audio Controller

The volume is terrible. Is there any way to fix this?

The speakers work perfectly on the pre-installed Windows 8.

  • There are no other drivers. – user589808 Apr 1 '17 at 8:21
  • Can you post amixer -c 0 and amixer -c 1 in your question? – Tom Yan Aug 13 '17 at 23:42
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    @MathCubes Your link is about headphones and this question is about speakers. Most reports are headphones work great and top two speakers (powered by separate amplifier) work in Windows but not Linux. – WinEunuuchs2Unix Aug 13 '17 at 23:44
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It doesn't seem possible

I looked on HP website and found this:

The so-called "HP Expert" there said it's like trying to put a jet engine in a car and make it fly like an AirBus A380. So not very promising. He did reference another question here in Ask Ubuntu:

...however that has no answers either.

Do a little more digging

I did a little more digging and found this bug report:

There are 91 comments posted from November 29, 2016 up to yesterday (August 12, 2017). There are various band-aid approaches people have tried. I suggest you subscribe to the bug report and keep abreast of bug fixes / work arounds.

Like your system there are two front speakers powered from motherboard and two back speakers powered by separate amplifier.

The most successful band-aid to date requires installing a windows update and rebooting into Linux. This "tricks" the amplifier to being powered on. After rebooting into Linux poking in some register configuration values is required. You can read all about it in the 91 comments but I just wanted to summarize it for you.

Hopefully someone will reverse-engineer the Windows driver for Bang & Olufsen and create one for Linux. It doesn't appear HP is willing to do it.

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Based on @robertjjoynt answer from https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1648183/comments/17

and Mayank Sharma has written a detailed answer on How to install Bang and Olufsen Audio drivers for HP laptop?

follow the instructions there.

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I purchased a late 2017 Spectre X360, model 13-ae013dx. I was able to solve this bug consistently using HDAJackRetask under Antergos by performing the following:

  • Override pin 0x14 and set it to Internal Speaker (LFE). I believe this enables the amplifier that drives the top speakers. Setting it to something other than just "Internal Speaker" is important, so that pulseaudio does not try to redirect sound to that channel.

  • Override pin 0x1e and set them to "Internal Speaker".

Hit Apply Now, and voila you have sound out of all four speakers.

Screenshot below:

https://pasteboard.co/I2gloyk.png

I'm currently running Kernel 4.20.10-arch1-1-ARCH, and I have tried absolutely everything on this thread to no avail. Hope this helps!

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