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Groups > linux.kernel > #1428733
| From | Laxman Dewangan <ldewangan@nvidia.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 2/5] pwm: tegra: Allow 100% duty cycle |
| Date | 2016-06-22 14:10 +0200 |
| Message-ID | <rMP8K-3bX-35@gated-at.bofh.it> (permalink) |
| References | <rMP8J-3bX-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: "Victor(Weiguo) Pan" <wpan@nvidia.com> To get 100% duty cycle (always high), pulse width needs to be set to 256. Signed-off-by: Victor(Weiguo) Pan <wpan@nvidia.com> Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> --- 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 71b9c4d..575ca8e 100644 --- a/drivers/pwm/pwm-tegra.c +++ b/drivers/pwm/pwm-tegra.c @@ -79,7 +79,7 @@ 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; -- 2.1.4
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[PATCH 0/5] pwm: Fixes and support for Tegra186 Laxman Dewangan <ldewangan@nvidia.com> - 2016-06-22 14:10 +0200
[PATCH 3/5] pwm: tegra: fix overflow when calculating duty cycle Laxman Dewangan <ldewangan@nvidia.com> - 2016-06-22 14:10 +0200
[PATCH 2/5] pwm: tegra: Allow 100% duty cycle Laxman Dewangan <ldewangan@nvidia.com> - 2016-06-22 14:10 +0200
[PATCH 4/5] pwm: tegra: Add DT node compatible for Tegra186 Laxman Dewangan <ldewangan@nvidia.com> - 2016-06-22 14:10 +0200
Re: [PATCH 4/5] pwm: tegra: Add DT node compatible for Tegra186 Thierry Reding <thierry.reding@gmail.com> - 2016-06-22 14:50 +0200
[PATCH 5/5] pwm: tegra: Add support for Tegra186 Laxman Dewangan <ldewangan@nvidia.com> - 2016-06-22 14:10 +0200
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