'\" t .\" Title: enum pwm_polarity .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.78.1 .\" Date: January 2017 .\" Manual: Pulse-Width Modulation (PWM) .\" Source: Kernel Hackers Manual 4.8.15 .\" Language: English .\" .TH "ENUM PWM_POLARITY" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Pulse-Width Modulation (PWM)" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" enum_pwm_polarity \- polarity of a PWM signal .SH "SYNOPSIS" .sp .nf enum pwm_polarity { PWM_POLARITY_NORMAL, PWM_POLARITY_INVERSED }; .fi .SH "CONSTANTS" .PP PWM_POLARITY_NORMAL .RS 4 a high signal for the duration of the duty\- cycle, followed by a low signal for the remainder of the pulse period .RE .PP PWM_POLARITY_INVERSED .RS 4 a low signal for the duration of the duty\- cycle, followed by a high signal for the remainder of the pulse period .RE .SH "COPYRIGHT" .br