From b5c050c719922901891bdd8580d224e2a0035db5 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Sat, 28 Jan 2017 17:10:40 +0200 Subject: pwm: lpss: Allow duty cycle to be 0 A duty cycle is represented by values [0..] which reflects [0%..100%]. 0% of the duty cycle means always off (logical "0") on output. Allow this in the driver. Reviewed-by: Mika Westerberg Signed-off-by: Andy Shevchenko Signed-off-by: Thierry Reding --- drivers/pwm/pwm-lpss.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'drivers/pwm/pwm-lpss.c') diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c index 8642feeb8abd..ffa01ab907a6 100644 --- a/drivers/pwm/pwm-lpss.c +++ b/drivers/pwm/pwm-lpss.c @@ -107,8 +107,6 @@ static int pwm_lpss_config(struct pwm_chip *chip, struct pwm_device *pwm, base_unit = DIV_ROUND_CLOSEST_ULL(freq, c); - if (duty_ns <= 0) - duty_ns = 1; on_time_div = 255ULL * duty_ns; do_div(on_time_div, period_ns); on_time_div = 255ULL - on_time_div; -- cgit v1.2.3