linux-kernel - [PATCH v1 1/2] leds: leds-gpio: add retain-state-suspended property

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Message-ID: <1390218087-14597-1-git-send-email-b38343@freescale.com>
Date:	Mon, 20 Jan 2014 19:41:26 +0800
From:	Robin Gong <b38343@...escale.com>
To:	<rob.herring@...xeda.com>, <pawel.moll@....com>,
	<mark.rutland@....com>, <ijc+devicetree@...lion.org.uk>,
	<galak@...eaurora.org>, <rob@...dley.net>, <cooloney@...il.com>,
	<rpurdie@...ys.net>, <grant.likely@...aro.org>
CC:	<devicetree@...r.kernel.org>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-leds@...r.kernel.org>
Subject: [PATCH v1 1/2] leds: leds-gpio: add retain-state-suspended property

Some gpio-leds need retain the state even in suspend, such as charger led.
But this property missed in devicetree, add it.

Signed-off-by: Robin Gong <b38343@...escale.com>
---
 drivers/leds/leds-gpio.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 78b0e27..1bb3f1a 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -204,6 +204,9 @@ static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev)
 				led.default_state = LEDS_GPIO_DEFSTATE_OFF;
 		}
 
+		if (of_get_property(child, "retain-state-suspended", NULL))
+			led.retain_state_suspended = 1;
+
 		ret = create_gpio_led(&led, &priv->leds[priv->num_leds++],
 				      &pdev->dev, NULL);
 		if (ret < 0) {
-- 
1.7.5.4


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