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ALSA SoC Sound Improvements For Linux 3.9

Linux Kernel

Published on 16 February 2013 01:57 PM EST
Written by Michael Larabel in Linux Kernel
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The ALSA SoC (ASoC) layer will see a number of new improvements and also a new sound driver within the Linux 3.9 kernel.

The ASoC update for Linux 3.9 isn't going to be too big, but there are a few noteworthy items to point out for this kernel that will soon officially be in development:

- Support for a wider range of hardware in the compressed stream code.
- The ability to mute capture streams as well as playback streams while inactive.
- DT support for AK4642, FSI, Samsung I2S and WM8962.
- AC'97 support for Tegra.
- New driver for max98090, replacing the stub which was there.

Greater hardware support within the compressed stream code and AC'97 audio support for NVIDIA's Tegra SoCs are likely the most notable changes.

The new max98090 ASoC driver is for the Maxim Integrated ultra-low power MAX98090 Stereo Audio Codec.

The ASoC 3.9 work is noted on the alsa-devel list.

Sound related but not to SoC support is the vastly improved Intel HDA support that will also be merged for Linux 3.9. There's also other improvements forthcoming to the other Intel Linux kernel audio drivers.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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