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pwm: Document signal polarity convention
authorThierry Reding <thierry.reding@gmail.com>
Mon, 7 Apr 2014 13:45:30 +0000 (15:45 +0200)
committerThierry Reding <thierry.reding@gmail.com>
Mon, 28 Apr 2014 11:04:59 +0000 (13:04 +0200)
commita44a3041b3a1a719e33e55e9fb1ef2a39a214e38
treeee7cf0715d4c6053f3f66280ff8a60038b05a3b5tree | snapshot
parent55addf3150ef37e6b38d415547cc6f20b4d9aca1commit | diff
pwm: Document signal polarity convention

The PWM subsystem defines normal and inversed PWM signal polarity in an
unambiguous way. In addition to the documentation in the linux/pwm.h
header file, add a paragraph in Documentation/pwm.txt because people are
likely to look there for guidance.

Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Documentation/pwm.txt diff | blob | history
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