linux-kernel - [PATCH RESEND v6 (corrected v2) 2/2] leds: ktd2692: Make aux-gpios optional

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Date:   Wed,  4 May 2022 18:38:11 +0300
From:   Markuss Broks <markuss.broks@...il.com>
To:     pavel@....cz
Cc:     Markuss Broks <markuss.broks@...il.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH RESEND v6 (corrected v2) 2/2] leds: ktd2692: Make aux-gpios optional

Make the AUX pin optional, since it isn't a core part of functionality,
and the device is designed to be operational with only one CTRL pin.

Also pick up maintenance for the LED driver and the yaml bindings.

Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
Signed-off-by: Markuss Broks <markuss.broks@...il.com>
---
 MAINTAINERS                       | 6 ++++++
 drivers/leds/flash/leds-ktd2692.c | 6 +++---
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 2db49ea7ae55..8ef5667a1d98 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10479,6 +10479,12 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/leds/backlight/kinetic,ktd253.yaml
 F:	drivers/video/backlight/ktd253-backlight.c
 
+KTD2692 FLASH LED DRIVER
+M:	Markuss Broks <markuss.broks@...il.com>
+S:	Maintained
+F:	Documentation/devicetree/bindings/leds/backlight/kinetic,ktd2692.yaml
+F:	drivers/leds/flash/leds-ktd2692.yaml
+
 KTEST
 M:	Steven Rostedt <rostedt@...dmis.org>
 M:	John Hawley <warthog9@...lescrag.net>
diff --git a/drivers/leds/flash/leds-ktd2692.c b/drivers/leds/flash/leds-ktd2692.c
index f341da1503a4..01ceea83af67 100644
--- a/drivers/leds/flash/leds-ktd2692.c
+++ b/drivers/leds/flash/leds-ktd2692.c
@@ -284,9 +284,9 @@ static int ktd2692_parse_dt(struct ktd2692_context *led, struct device *dev,
 		return ret;
 	}
 
-	led->aux_gpio = devm_gpiod_get(dev, "aux", GPIOD_ASIS);
-	ret = PTR_ERR_OR_ZERO(led->aux_gpio);
-	if (ret) {
+	led->aux_gpio = devm_gpiod_get_optional(dev, "aux", GPIOD_ASIS);
+	if (IS_ERR(led->aux_gpio)) {
+		ret = PTR_ERR(led->aux_gpio);
 		dev_err(dev, "cannot get aux-gpios %d\n", ret);
 		return ret;
 	}
-- 
2.35.1