New PWM Subsystem

Zack’s Kernel News

Article from Issue 145/2012

Chronicler Zack Brown reports on the latest news, views, dilemmas, and developments within the Linux kernel community.

The new PWM subsystem almost got derailed when Thierry Reding submitted it to Linus Torvalds to be included in the main kernel tree.

The PWM (pulse width modulation) subsystem specializes in changing the widths of rectangular pulse waves, as a way of controlling the power of the signal. It’s useful in minor, unimportant ways like controlling the fans that prevent your computer from melting into sludge and backlights that let you see what you’re working on.

Buy this article as PDF

Express-Checkout as PDF
Price $2.95
(incl. VAT)

Buy Linux Magazine

Get it on Google Play

US / Canada

Get it on Google Play

UK / Australia

Related content

comments powered by Disqus
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters

Support Our Work

Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.

Learn More