Hi!
> This adds support for controlling the LEDs attached to the Embedded
> Controller on a Dell Wyse 3020 "Ariel" board.
>
> Signed-off-by: Lubomir Rintel <lkundrak@xxxxx>
Does not look bad.
> +static int ariel_led_probe(struct platform_device *pdev)
> +{
> + struct device *dev = &pdev->dev;
> + struct ariel_led *leds;
> + struct regmap *ec_ram;
> + int ret;
> +
> + leds = devm_kcalloc(dev, 3, sizeof(*leds), GFP_KERNEL);
> + if (!leds)
> + return -ENOMEM;
> +
> + ec_ram = dev_get_regmap(dev->parent, "ec_ram");
> + if (!ec_ram)
> + return -ENODEV;
> +
> + leds[0].ec_ram = ec_ram;
> + leds[0].ec_index = EC_BLUE_LED;
> + leds[0].led_cdev.name = "ariel:blue:power",
> + leds[0].led_cdev.brightness_get = ariel_led_get;
> + leds[0].led_cdev.brightness_set = ariel_led_set;
> + leds[0].led_cdev.blink_set = ariel_blink_set;
> + leds[0].led_cdev.default_trigger = "default-on";
Move common settings to a loop?
Definitely delete "ariel:" prefix.
> + leds[1].led_cdev.name = "ariel:amber:status",
> + leds[2].led_cdev.name = "ariel:green:status",
Do the LEDs have some label, or some kind of common function? Calling
it ":status" is not too useful...
> + ret = devm_led_classdev_register(dev, &leds[2].led_cdev);
> + if (ret)
> + return ret;
> +
> + dev_info(dev, "Dell Wyse 3020 LEDs\n");
> + return 0;
> +}
Just return ret; no need to print anything into the syslog.
Thanks!
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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