drivers: led_pwm: Decrease power consumption
Changed pwm_pin_set_cycles into pwm_pin_set_nsec to decrease power consumption. Changed default value for period to 100000. There is no need in having period for pwm leds equal to 100 cycles as human eye has ~100 fps. Signed-off-by: Jan Zyczkowski <jan.zyczkowski@nordicsemi.no>
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1 changed files with 3 additions and 3 deletions
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@ -76,8 +76,8 @@ static int led_pwm_set_brightness(const struct device *dev,
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pulse = led_pwm->period * value / 100;
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return pwm_pin_set_cycles(led_pwm->dev, led_pwm->channel,
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led_pwm->period, pulse, led_pwm->flags);
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return pwm_pin_set_nsec(led_pwm->dev, led_pwm->channel,
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led_pwm->period, pulse, led_pwm->flags);
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}
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static int led_pwm_on(const struct device *dev, uint32_t led)
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@ -160,7 +160,7 @@ static const struct led_driver_api led_pwm_api = {
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{ \
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.dev = DEVICE_DT_GET(DT_PWMS_CTLR(led_node_id)), \
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.channel = DT_PWMS_CHANNEL(led_node_id), \
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.period = DT_PHA_OR(led_node_id, pwms, period, 100), \
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.period = DT_PHA_OR(led_node_id, pwms, period, 100000), \
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.flags = DT_PHA_OR(led_node_id, pwms, flags, \
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PWM_POLARITY_NORMAL), \
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},
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