diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-08-09 12:46:45 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-08-09 12:46:49 +0200 |
commit | e3560336be655c6791316482fe288b119f34c427 (patch) | |
tree | 43ca9a6b489aaa3918b773f78a7eda37458ef0a8 /arch/arm/plat-s3c24xx/pwm.c | |
parent | 26528e773ecc74fb1b61b7275f86f761cbb340ec (diff) | |
parent | 7b2aa037e878c939676675969983284a02958ae3 (diff) |
Merge branch 'linus' into tracing/urgent
Merge reason: Merge up to almost-rc6 to pick up latest perfcounters
(on which we'll queue up a dependent fix)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/plat-s3c24xx/pwm.c')
-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); |