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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 | |
| parent | ARM: 5597/1: [PCI] reset all internal hardware prior PCI initialization (diff) | |
| parent | ARM: S3C64XX: serial: Fix section mismatch warning (diff) | |
| download | linux-dev-38a6fe8c013e72c402b37a7ea400387120f460d8.tar.xz linux-dev-38a6fe8c013e72c402b37a7ea400387120f460d8.zip | |
Merge branch 's3c-fixes-rc4-2' of git://aeryn.fluff.org.uk/bjdooks/linux
Diffstat (limited to 'arch')
| -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 0120b760315b..82a6d4de02a3 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); |