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Commit 81225bed authored by Alexandre Belloni's avatar Alexandre Belloni Committed by Thierry Reding
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leds: leds-pwm: retrieve configured PWM period 



The PWM core is now able to initialize the PWM period from a lookup
table defined by board files. Use it if available and fallback to the
value supplied in pwm_period_ns.

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent 9becf500

drivers/leds/leds-pwm.c

+4 −1
Original line number Diff line number Diff line
@@ -181,7 +181,6 @@ static int led_pwm_probe(struct platform_device *pdev) 
			led_dat->cdev.name = cur_led->name;

			led_dat->cdev.default_trigger = cur_led->default_trigger;

			led_dat->active_low = cur_led->active_low;

			led_dat->period = cur_led->pwm_period_ns;

			led_dat->cdev.brightness_set = led_pwm_set;

			led_dat->cdev.brightness = LED_OFF;

			led_dat->cdev.max_brightness = cur_led->max_brightness;
@@ -191,6 +190,10 @@ static int led_pwm_probe(struct platform_device *pdev) 
			if (led_dat->can_sleep)

				INIT_WORK(&led_dat->work, led_pwm_work);



			led_dat->period = pwm_get_period(led_dat->pwm);

			if (!led_dat->period && (cur_led->pwm_period_ns > 0))

				led_dat->period = cur_led->pwm_period_ns;



			ret = led_classdev_register(&pdev->dev, &led_dat->cdev);

			if (ret < 0)

				goto err;