Linux 5.3 Continues Advancing Intel's Sound Open Firmware
Linux 5.3 is continuing where Linux 5.2 left off when it added a lot of their Sound Open Firmware kernel code that has been in development for over one year as the Intel-led effort for having open-source audio DSP firmware and SDK. Sound Open Firmware is used by the newest and future Google Chromebooks among other use-cases to come about.
With Linux 5.3 is the "continued development of ASoC Intel SOF stuff." These additions for Intel SOF include adding the Comet Lake PCI IDs, run-time idle support for Cannonlake/Apollolake, SoundWire support for SoF, and various fixes.
Sound changes for Linux 5.3 also include new drivers for the Cirrus Logic CS47L35 / CS47L85 / CS47L90, Conexant CX2072X, Realtek RT1011, and Realtek RT1308 support.
More details on the Linux 5.3 sound changes via this PR.
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