Set inversed polarity when .active_low is set in the platform_data. With device
tree, this is taken care of by of_pwm_xlate_with_flags(), called from
of_pwm_get().
Signed-off-by: Alexandre Belloni <alexandre.bell...@free-electrons.com>
---
drivers/leds/leds-pwm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index 605047428b5a..09681556a6aa 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -180,6 +180,11 @@ static int led_pwm_probe(struct platform_device *pdev)
led_dat->cdev.max_brightness = cur_led->max_brightness;
led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
+ if (led_dat->active_low)
+ if (pwm_set_polarity(led_dat->pwm,
+ PWM_POLARITY_INVERSED))
+ dev_err(&pdev->dev, "impossible to
change polarity");
+
led_dat->can_sleep = pwm_can_sleep(led_dat->pwm);
if (led_dat->can_sleep)
INIT_WORK(&led_dat->work, led_pwm_work);
--
1.8.3.2
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