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Many ACPI & Power Management Changes Head Into Linux 3.16

Linux Kernel

Published on 06 June 2014 04:43 AM EDT
Written by Michael Larabel in Linux Kernel
9 Comments

Rafael Wysocki has sent in his ACPI and power management pull that will target the next Linux kernel release cycle.

Changes queued up for the ACPI/PM pull with the Linux 3.16 kernel include:

- A bulk are ACPICA updates.

- Various internal changes that are important but not end-user facing.

- ACPI video support now defaults to using the native backlight rather than the ACPI backlight interface. This backlight change is designed to help systems with broken Windows 8/8.1 BIOSes.

- The system suspend core now allows for runtime-suspended devices to stay suspended through system suspend/restume states as long as certain system conditions are met.

- Updates to the ACPI Low-Power Subsystem (LPSS) driver.

- The big.LITTLE CPUfreq driver now supports 64-bit ARM.

There's also many other individual driver updates covering the ACPI and power management subsystems, which are covered via the mailing list pull request.

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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