Section 2: Multimedia and Power Saving in Embedded Linux Systems

This section walks you through the most widely used Linux kernel multimedia subsystems, V4L2 and ALSA SoC, in a simple but energy-efficient way, helped by the Linux kernel power management subsystem.

This section contains the following chapters:

• Chapter 5, ALSA SoC Framework – Leveraging Codec and Platform Class Drivers
• Chapter 6, ALSA SoC Framework – Delving into the Machine Class Drivers
• Chapter 7, Demystifying V4L2 and Video Capture Device Drivers
• Chapter 8, Integrating with V4L2 Async and Media Controller Frameworks
• Chapter 9, Leveraging the V4L2 API from the User Space
• Chapter 10, Linux Kernel Power Management