Re: [PATCH v5 2/3] leds: pwm: Allow automatic labels for DT based devices
From: Pavel Machek
Date: Sat Sep 19 2020 - 05:44:38 EST
On Sat 2020-09-19 07:31:44, Alexander Dahl wrote:
> If LEDs are configured through device tree and the property 'label' is
> omitted, the label is supposed to be generated from the properties
> 'function' and 'color' if present. While this works fine for e.g. the
> 'leds-gpio' driver, it did not for 'leds-pwm'.
> The reason is, you get this label naming magic only if you add a LED
> device through 'devm_led_classdev_register_ext()' and pass a pointer to
> the current device tree node.
> For the following node from dts the LED appeared as 'led-5' in sysfs
> before and as 'red:debug' after this change.
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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