AMD Audio Co-Processor 3.x Support Coming For Linux 4.21
Written by Michael Larabel in AMD on 18 December 2018 at 11:27 AM EST. 4 Comments
AMD --
Coming to the next version of the Linux kernel is new sound driver support for the AMD ACP3x (Audio Co-Processor 3.x).

This new AMD ALSA SoC PCM driver is used initially for AMD Raven Ridge APUs with the Audio Co-Processor 3.x (ACP3) but appears to be used by future AMD hardware too. This ACP3x driver is a bit late for supporting audio on Raven Ridge hardware with an I2S codec, but better late than never. Going back years there has been Linux support for support for older versions of the ACP.

The new code is queued now in the sound subsystem's "for-next" branch ahead of the Linux 4.21 kernel opening up next week.

On the Intel side meanwhile this next Linux kernel cycle will bring support for Intel SoCs with an RT5660 I2S audio codec. Today's sound merge also adds support for the Asahi Kaesi AKM4118, Meson AXG S/PDIF inputs, and various Qualcomm and Xilinx parts.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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