pwm_period_ns 105 drivers/leds/leds-pwm.c if (!led_data->period && (led->pwm_period_ns > 0)) pwm_period_ns 106 drivers/leds/leds-pwm.c led_data->period = led->pwm_period_ns; pwm_period_ns 554 drivers/video/backlight/pwm_bl.c if (!state.period && (data->pwm_period_ns > 0)) pwm_period_ns 555 drivers/video/backlight/pwm_bl.c state.period = data->pwm_period_ns; pwm_period_ns 14 include/linux/leds_pwm.h unsigned pwm_period_ns; pwm_period_ns 15 include/linux/pwm_backlight.h unsigned int pwm_period_ns;