linux-kernel - Re: [PATCH v3] led/led-class: Handle LEDs with the same name

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Date:	Mon, 30 Mar 2015 10:43:39 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Cc:	Bryan Wu <cooloney@...il.com>, Richard Purdie <rpurdie@...ys.net>,
	"linux-leds@...r.kernel.org" <linux-leds@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] led/led-class: Handle LEDs with the same name

Hi Ricardo,

I forgot one thing:

On Sat, Mar 14, 2015 at 12:05 AM, Ricardo Ribalda Delgado
<ricardo.ribalda@...il.com> wrote:
> --- a/drivers/leds/led-class.c
> +++ b/drivers/leds/led-class.c
> @@ -212,6 +212,26 @@ static const struct dev_pm_ops leds_class_dev_pm_ops = {
>         .resume         = led_resume,
>  };
>
> +static int match_name(struct device *dev, const void *data)
> +{
> +       if (!dev_name(dev))
> +               return 0;
> +       return !strcmp(dev_name(dev), (char *)data);
> +}
> +
> +static int led_classdev_next_name(const char *init_name, char *name,
> +                                 size_t len)
> +{
> +       int i = 0;

unsigned int

> +
> +       strncpy(name, init_name, len);
> +
> +       while (class_find_device(leds_class, NULL, name, match_name))
> +               snprintf(name, len, "%s_%d", init_name, ++i);

%u

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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