Messages in this thread Patch in this message | | | From | Alexandre Belloni <> | Subject | [PATCHv2 resend 10/11] leds: leds-pwm: retrieve configured pwm period | Date | Mon, 19 May 2014 22:42:41 +0200 |
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The PWM core is now able to initialize the PWM period. Use it and if it is not configured, use the supplied pwm_period_ns.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> --- drivers/leds/leds-pwm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c index 7d0aaed1e23a..aa770ec1e892 100644 --- a/drivers/leds/leds-pwm.c +++ b/drivers/leds/leds-pwm.c @@ -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; -- 1.9.1
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