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ARM: S3C: PWM fix for low duty cycle
authorPeter Korsgaard <jacmet@sunsite.dk>
Wed, 1 Jul 2009 15:47:08 +0000 (17:47 +0200)
committerBen Dooks <ben-linux@fluff.org>
Thu, 30 Jul 2009 22:54:50 +0000 (23:54 +0100)
The pwm hardware only checks the compare register after a decrement,
so the pin never toggles if tcmp = tcnt.

This happens when a very low duty cycle is requested. Fix it by always
ensuring that tcmp < tcnt.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

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