Hi Pavel,
On Wed, Apr 25, 2018 at 08:41:33AM +0200, Pavel Machek wrote:
> On Sat 2018-04-21 09:50:08, Javier Arteaga wrote:
> > Allow userspace to use the on-board LEDs as "upboard:<color>:".
> >
> > Signed-off-by: Javier Arteaga <jav...@emutex.com>
>
> > +static enum led_brightness upboard_led_brightness_get(struct led_classdev
> > *cdev)
> > +{
> > + struct upboard_led *led = container_of(cdev, struct upboard_led, cdev);
> > + int brightness = 0;
> > +
> > + regmap_field_read(led->field, &brightness);
> > +
> > + return brightness;
> > +};
>
> I'm slightly confused here. Is each led controlled by single bit?
Yes. Each regmap field is one bit wide.
> What is going on with ";" at end of function? We don't do that.
Huh, I totally missed this. It's all throughout the patchset too, and
it's going away in v2 of course.
> If it is single bit, max_brightness should be one, and != LED_OFF test
> should not be needed.
Got it. Will do for v2.
Thanks for your time!
