Hi!
> > diff --git a/Documentation/devicetree/bindings/leds/leds-pca9532.txt
> > b/Documentation/devicetree/bindings/leds/leds-pca9532.txt
> > index 198f3ba..8374075 100644
> > --- a/Documentation/devicetree/bindings/leds/leds-pca9532.txt
> > +++ b/Documentation/devicetree/bindings/leds/leds-pca9532.txt
> > @@ -17,6 +17,8 @@ Optional sub-node properties:
> > - label: see Documentation/devicetree/bindings/leds/common.txt
> > - type: Output configuration, see dt-bindings/leds/leds-pca9532.h
> > (default NONE)
> > - linux,default-trigger: see
> > Documentation/devicetree/bindings/leds/common.txt
> > + - default-state: see Documentation/devicetree/bindings/leds/common.txt
> > + This property is only valid for sub-nodes of type <PCA9532_TYPE_LED>.
> >
> > Example:
> > #include <dt-bindings/leds/leds-pca9532.h>
> > @@ -33,6 +35,14 @@ Example:
> > label = "pca:green:power";
> > type = <PCA9532_TYPE_LED>;
> > };
> > + kernel-booting {
> > + type = <PCA9532_TYPE_LED>;
> > + default-state = "on";
> > + };
> > + sys-stat {
> > + type = <PCA9532_TYPE_LED>;
> > + default-state = "keep"; // don't touch, was set by U-Boot
> > + };
>
> Adjusted above indentation to match the preceding lines.
> > @@ -475,6 +494,16 @@ pca9532_of_populate_pdata(struct device *dev, struct
> > device_node *np)
> > of_property_read_u32(child, "type", &pdata->leds[i].type);
> > of_property_read_string(child, "linux,default-trigger",
> > &pdata->leds[i].default_trigger);
> > + if (!of_property_read_string(child, "default-state", &state)) {
> > + if (!strcmp(state, "on"))
> > + pdata->leds[i].state = PCA9532_ON;
> > + else if (!strcmp(state, "keep"))
> > + pdata->leds[i].state = PCA9532_KEEP;
> > + else if (!strcmp(state, "pwm0"))
> > + pdata->leds[i].state = PCA9532_PWM0;
> > + else if (!strcmp(state, "pwm1"))
> > + pdata->leds[i].state = PCA9532_PWM1;
> > + }
> > if (++i >= maxleds) {
> > of_node_put(child);
> > break;
This seems to look for "pwm0" and "pwm1" strings, which do not seem to
be documented.
Plus... is it useful to have default-state? We already have default
trigger. If we keep the value by default (on PC, we do something like
that) this patch should not be neccessary?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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