From: Pavel Machek <pavel@ucw.cz>
To: Sven Schuchmann <schuchmann@schleissheimer.de>
Cc: Dan Murphy <dmurphy@ti.com>,
linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/4] leds: lp50xx: add setting of default intensity from DT
Date: Thu, 4 Feb 2021 15:55:03 +0100 [thread overview]
Message-ID: <20210204145503.GD14305@duo.ucw.cz> (raw)
In-Reply-To: <20210204143803.28140-1-schuchmann@schleissheimer.de>
[-- Attachment #1: Type: text/plain, Size: 1423 bytes --]
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@schleissheimer.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
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 195 bytes --]
next prev parent reply other threads:[~2021-02-04 14:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-04 14:38 Sven Schuchmann
2021-02-04 14:55 ` Pavel Machek [this message]
2021-02-05 10:00 ` AW: " Sven Schuchmann
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210204145503.GD14305@duo.ucw.cz \
--to=pavel@ucw.cz \
--cc=dmurphy@ti.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-leds@vger.kernel.org \
--cc=schuchmann@schleissheimer.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®