linux-kernel - Re: [PATCH v2 4/4] leds: lp50xx: add setting of default intensity from DT

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Message-ID: <20210204145503.GD14305@duo.ucw.cz>
Date:   Thu, 4 Feb 2021 15:55:03 +0100
From:   Pavel Machek <pavel@....cz>
To:     Sven Schuchmann <schuchmann@...leissheimer.de>
Cc:     Dan Murphy <dmurphy@...com>, linux-leds@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/4] leds: lp50xx: add setting of default intensity
 from DT

On Thu 2021-02-04 14:38:03, Sven Schuchmann wrote:
> In order to use a multicolor-led together with a trigger
> the led needs to have an intensity set to see something.
> The trigger changes the brightness of the led but if there
> is no intensity we actually see nothing.
> 
> This patch adds the ability to set the default intensity
> of each multi-led node so that it is turned on from DT.
> If no intensity is given the led will be initialized
> with full intensity.

> Signed-off-by: Sven Schuchmann <schuchmann@...leissheimer.de>

Check your email headers, empty To: is strange.

> diff --git a/drivers/leds/leds-lp50xx.c b/drivers/leds/leds-lp50xx.c
> index 79bc071c31fb..e8aa36c7e963 100644
> --- a/drivers/leds/leds-lp50xx.c
> +++ b/drivers/leds/leds-lp50xx.c
> @@ -504,6 +504,24 @@ static int lp50xx_probe_dt(struct lp50xx *priv)
>  			num_colors++;
>  		}
>  
> +		if (fwnode_property_count_u32(child, "default-intensity")
> +			== num_colors) {
> +
> +			int j, def_int[LP50XX_LEDS_PER_MODULE];

No need for empty line?


> +			ret = fwnode_property_read_u32_array(child,
> +				"default-intensity", def_int, num_colors);
> +			if (ret) {
> +				dev_err(&priv->client->dev,
> +					"Cannot read default-intensity: %d\n",
> +					ret);
> +				goto child_out;
> +			}

Just ignore such error?

Best regards,
									Pavel
-- 
http://www.livejournal.com/~pavelmachek

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