diff options
Diffstat (limited to 'drivers/pwm/exynos_pwm.c')
| -rw-r--r-- | drivers/pwm/exynos_pwm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pwm/exynos_pwm.c b/drivers/pwm/exynos_pwm.c index 1afaf784da..609025d680 100644 --- a/drivers/pwm/exynos_pwm.c +++ b/drivers/pwm/exynos_pwm.c @@ -43,6 +43,10 @@ static int exynos_pwm_set_config(struct udevice *dev, uint channel, tcnt = period_ns / rate_ns; tcmp = duty_ns / rate_ns; debug("%s: tcnt %u, tcmp %u\n", __func__, tcnt, tcmp); + + /* Ensure that the comparitor will actually hit the target */ + if (tcmp == tcnt) + tcmp = tcnt - 1; offset = channel * 3; writel(tcnt, ®s->tcntb0 + offset); writel(tcmp, ®s->tcmpb0 + offset); |