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Ubuntu 16.04.04 64 bit LTS & Oppo Digital HA-1 DAC & Headphone Amplifier

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wellywu:
Does anyone here know how to download Linux kernel 4.6.2 AMD64 and include the Oppo Digital HA-1 patch?

Awesome Donkey:
You'd likely have to download the kernel source, apply the patch and build the kernel yourself. Which from experience (even on this fast, high-end machine) can take awhile to compile.

Is the patch going to land in 4.6.3?

Better question, has it landed in the 4.7 RC releases yet?

wellywu:
Ubuntu Forums told me that Ubuntu Linux kernel 4.4.0 AMD64 includes the Oppo Digital HA-1 device driver and patch. Now, they are telling me it might be an ALSA issue and they referred me to the Ubuntu Sound Troubleshooting guide. I checked the Ubuntu Linux kernel 4.4.0 and it does contain the HA-1 device driver and patch. So does Linux kernel 4.6.2 without the patch which must be manually added in.

Should I downgrade to Ubuntu 14.04.4 64 bit LTS? I contacted Oppo Digital and Zareason and Zareason told me to downgrade to 14.04.4 64 bit LTS.

I want to keep getting replies and more information before I downgrade or switch to another distribution.

wellywu:
I downgraded to Ubuntu 14.04.4 64 bit LTS GNU/Linux on my mid-2015 Zareason Zeto desktop PC system.

I will check for the next 14.04.x 64 bit LTS Hardware Enablement Stack and see if it causes USB 2.0 audio problems or more problems for my Oppo Digital HA-1 desktop DAC and headphone amplifier.

I can now select it and listen to audio, music, and sound. It is fixed for now.

I miss Ubuntu 16.04.0 64 bit LTS GNU/Linux, but I still own my Sager NP8657 [Clevo P650-RE3] gaming laptop and it has the latest Ubuntu version. I like it on my gaming laptop because Linux kernel 4.4.x 64 bit has better support for Intel 6th Generation "Skylake" CPUs.

Awesome Donkey:

--- Quote from: wellywu on June 18, 2016, 11:45:02 am ---I miss Ubuntu 16.04.0 64 bit LTS GNU/Linux, but I still own my Sager NP8657 [Clevo P650-RE3] gaming laptop and it has the latest Ubuntu version. I like it on my gaming laptop because Linux kernel 4.4.x 64 bit has better support for Intel 6th Generation "Skylake" CPUs.

--- End quote ---

You *can* manually install updated kernels in Ubuntu using their mainline kernel repository.

https://wiki.ubuntu.com/Kernel/MainlineBuilds
http://kernel.ubuntu.com/~kernel-ppa/mainline/

I don't recommend this unless you know exactly what you're doing (and making sure you're installing the right files). For example if you're wanting 4.6.2 just navigate and click on the v4.6.2-yakkety folder, then download the following files for a 64-bit (AMD64) Ubuntu install;


--- Code: ---linux-headers-4.6.2-040602-generic_4.6.2-040602.201606100516_amd64.deb
linux-headers-4.6.2-040602_4.6.2-040602.201606100516_all.deb
linux-image-4.6.2-040602-generic_4.6.2-040602.201606100516_amd64.deb
--- End code ---

And installing them by opening a Terminal and using sudo dpkg -i path to each file (you can drag and drop all three files after -i and a space!)

Avoid the lowlatency kernels and the kernels for other architectures.

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