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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-08-03 17:58:02 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-08-03 17:58:02 +0100 |
| commit | 38a6fe8c013e72c402b37a7ea400387120f460d8 (patch) | |
| tree | 2b27c3bee7d8fe26d39084c95dca065b47444004 /arch/arm | |
| parent | 320145fac91955ee35a6af7e1c2b42388a17b3d8 (diff) | |
| parent | 909db80297ba65699a77d877f7bf618ba960f6fc (diff) | |
Merge branch 's3c-fixes-rc4-2' of git://aeryn.fluff.org.uk/bjdooks/linux
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/plat-s3c24xx/pwm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c24xx/pwm.c b/arch/arm/plat-s3c24xx/pwm.c index 0120b760315..82a6d4de02a 100644 --- a/arch/arm/plat-s3c24xx/pwm.c +++ b/arch/arm/plat-s3c24xx/pwm.c @@ -246,6 +246,10 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) tcmp = duty_ns / tin_ns; tcmp = tcnt - tcmp; + /* the pwm hw only checks the compare register after a decrement, + so the pin never toggles if tcmp = tcnt */ + if (tcmp == tcnt) + tcmp--; pwm_dbg(pwm, "tin_ns=%lu, tcmp=%ld/%lu\n", tin_ns, tcmp, tcnt); |