C++ (Cpp) backlight_pwm_enable Beispiele

Beispiel #1

Datei: backlight-pwm.c Projekt: cherojeong/barebox

static int backlight_pwm_set(struct backlight_device *backlight,
		int brightness)
{
	struct pwm_backlight *pwm_backlight = container_of(backlight,
			struct pwm_backlight, backlight);

	pwm_config(pwm_backlight->pwm, compute_duty_cycle(pwm_backlight, brightness),
		   pwm_backlight->period);

	if (brightness)
		return backlight_pwm_enable(pwm_backlight);
	else
		return backlight_pwm_disable(pwm_backlight);
}

Beispiel #2

Datei: backlight-pwm.c Projekt: jcobham/barebox

static int backlight_pwm_set(struct backlight_device *backlight,
		int brightness)
{
	struct pwm_backlight *pwm_backlight = container_of(backlight,
			struct pwm_backlight, backlight);
	unsigned long long duty =  pwm_backlight->period;
	unsigned int max = pwm_backlight->backlight.brightness_max;

	duty *= brightness;
	do_div(duty, max);

	pwm_config(pwm_backlight->pwm, duty, pwm_backlight->period);

	if (brightness)
		return backlight_pwm_enable(pwm_backlight);
	else
		return backlight_pwm_disable(pwm_backlight);
}