This page has information about Power Management for Linux. Power Management exists because many products are handheld or mobile, and consumers are interested in using their products for as long as possible on a single battery charge.
Power Management Technology/Project pages
- Linux PM specific Wiki.
See here CELF PM Requirements 2006
- Mapping of ACPI states to omap power states: https://www.elinux.org/images//8/83/Pdf.gif ACPI to OMAP2 Mapping