From e0ee1a75f412cc9f3b16127742a30baf975ec51f Mon Sep 17 00:00:00 2001 From: "Victor(Weiguo) Pan" Date: Wed, 22 Jun 2016 17:17:20 +0530 Subject: [PATCH] pwm: tegra: Allow 100 % duty cycle To get 100 % duty cycle (always high), pulse width needs to be set to 256. Signed-off-by: Victor(Weiguo) Pan Signed-off-by: Laxman Dewangan Signed-off-by: Thierry Reding --- drivers/pwm/pwm-tegra.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c index 097658e0751b..2026eaa932ae 100644 --- a/drivers/pwm/pwm-tegra.c +++ b/drivers/pwm/pwm-tegra.c @@ -77,7 +77,7 @@ static int tegra_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, * per (1 << PWM_DUTY_WIDTH) cycles and make sure to round to the * nearest integer during division. */ - c = duty_ns * ((1 << PWM_DUTY_WIDTH) - 1) + period_ns / 2; + c = duty_ns * (1 << PWM_DUTY_WIDTH) + period_ns / 2; do_div(c, period_ns); val = (u32)c << PWM_DUTY_SHIFT; -- 2.20.1