linux-kernel - [PATCH] lm3532: right registration to work with LED-backlight

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Message-ID: <20190917124032.GA27465@amd>
Date:   Tue, 17 Sep 2019 14:40:32 +0200
From:   Pavel Machek <pavel@....cz>
To:     Jacek Anaszewski <jacek.anaszewski@...il.com>
Cc:     Tony Lindgren <tony@...mide.com>,
        kernel list <linux-kernel@...r.kernel.org>, sre@...nel.org,
        nekit1000@...il.com, mpartap@....net, merlijn@...zup.org,
        Dan Murphy <dmurphy@...com>, linux-leds@...r.kernel.org
Subject: [PATCH] lm3532: right registration to work with LED-backlight


Use new registration support, which will eventually be needed for
proper backlight support.

Signed-off-by: Pavel Machek <pavel@....cz>

diff --git a/drivers/leds/leds-lm3532.c b/drivers/leds/leds-lm3532.c
index 0507c65..23f49b6 100644
--- a/drivers/leds/leds-lm3532.c
+++ b/drivers/leds/leds-lm3532.c
@@ -577,6 +577,12 @@ static int lm3532_parse_node(struct lm3532_data *priv)
 		priv->runtime_ramp_down = lm3532_get_ramp_index(ramp_time);
 
 	device_for_each_child_node(priv->dev, child) {
+		struct led_init_data idata = {
+			.fwnode = child,
+			.default_label = ":",
+			.devicename = priv->client->name,
+		};
+
 		led = &priv->leds[i];
 
 		ret = fwnode_property_read_u32(child, "reg", &control_bank);
@@ -651,7 +657,7 @@ static int lm3532_parse_node(struct lm3532_data *priv)
 		led->led_dev.name = led->label;
 		led->led_dev.brightness_set_blocking = lm3532_brightness_set;
 
-		ret = devm_led_classdev_register(priv->dev, &led->led_dev);
+		ret = devm_led_classdev_register_ext(priv->dev, &led->led_dev, &idata);
 		if (ret) {
 			dev_err(&priv->client->dev, "led register err: %d\n",
 				ret);


-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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