![]() These drivers include the Intel AZX HD Audio driver ( linux/sound/pci/hda) and the Intel SST Audio driver ( linux/sound/soc/intel/). The upstream Linux kernel has a few drivers that are related to the SOF-based audio driver stack described in this document. ASoC provides a modular architecture to share audio codec drivers across different SoC implementations, unify the controls provided to applications, and provide a common infrastructure to manage SoC audio component power and clocks. The ALSA System-on-Chip (ASoC) is a subsystem of ALSA. The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI functionality to the Linux operating system. A generic SOF subsystem is implemented in Linux as a subsystem of ALSA ASoC. SOF provides infrastructure, real-time control pieces, and audio drivers. ![]() ![]() Sound Open Firmware (SOF) is an open source audio Digital Signal Processing (DSP) firmware infrastructure and SDK. The Sound Open Firmware (SOF)-based audio driver stack consists of an architecture-independent SOF driver core, an SOF DSP driver for Intel High Definition Audio (HD-Audio) platforms, an ALSA System-on-Chip (ASoC)-compliant audio codec driver, and a hardware-specific machine driver. ![]() Support for High Definition Audio (HD-Audio)
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