Re: [PATCH v3 3/5] pwm-backlight: add support for PWM delays proprieties.

[Pavel Machek]

Hi!

> >--- a/drivers/video/backlight/pwm_bl.c
> >+++ b/drivers/video/backlight/pwm_bl.c
> >@@ -10,6 +10,7 @@
> >   * published by the Free Software Foundation.
> >   */
> >+#include <linux/delay.h>
> >  #include <linux/gpio/consumer.h>
> >  #include <linux/gpio.h>
> >  #include <linux/module.h>
> >@@ -35,6 +36,7 @@ struct pwm_bl_data {
> >  	struct gpio_desc	*enable_gpio;
> >  	unsigned int		scale;
> >  	bool			legacy;
> >+	unsigned int		pwm_delay[2];
> 
> Two named members would be better here (eliminating the "magic" 0
>and 1).

My thought, too.

> >@@ -56,6 +58,9 @@ static void pwm_backlight_power_on(struct pwm_bl_data *pb, int brightness)
> >  	pwm_enable(pb->pwm);
> >+	if (pb->pwm_delay[0])
> >+		usleep_range(pb->pwm_delay[0], pb->pwm_delay[0] * 2);

Plus I'd just do the delay unconditionally :-).

Best regards,
								Pavel


-- 
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