diff options
| author | Jonas Schwöbel <[email protected]> | 2025-03-11 23:11:47 +0100 |
|---|---|---|
| committer | Svyatoslav Ryhel <[email protected]> | 2026-03-22 14:43:26 +0200 |
| commit | 2fcb08a2b477667741f194b8b8a8a08a711dc974 (patch) | |
| tree | 57bebbbd761c0075b91d48c71620c31ac666091d /drivers | |
| parent | 0623b8512e2d9128100949ca80ede990ed80f741 (diff) | |
pwm: tegra: fix pulse_width calculation
The pulse_width is expressed as N/256. A 100% duty cycle is only possible
when multiplied by 256 instead of 255.
Signed-off-by: Jonas Schwöbel <[email protected]>
Signed-off-by: Svyatoslav Ryhel <[email protected]>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pwm/tegra_pwm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pwm/tegra_pwm.c b/drivers/pwm/tegra_pwm.c index 4b57751f73f..4bbfeba8d98 100644 --- a/drivers/pwm/tegra_pwm.c +++ b/drivers/pwm/tegra_pwm.c @@ -40,7 +40,7 @@ static int tegra_pwm_set_config(struct udevice *dev, uint channel, return -EINVAL; debug("%s: Configure '%s' channel %u\n", __func__, dev->name, channel); - pulse_width = duty_ns * 255 / period_ns; + pulse_width = duty_ns * 256 / period_ns; if (priv->polarity & BIT(channel)) pulse_width = 256 - pulse_width; |