ENGR00295892-1: leds: leds-gpio: keep charger led state while system suspended

gpio-leds driver common framework didn't take care of this case if use CONFIG_OF
, add property "retain-state-suspended" in dts and check it while gpio-leds
device created.

Signed-off-by: Robin Gong <b38343@freescale.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index b02b679abf31..e234d5e470a0 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2007 8D Technologies inc.
  * Raphael Assenat <raph@8d.com>
- * Copyright (C) 2008 Freescale Semiconductor, Inc.
+ * Copyright (C) 2008, 2014 Freescale Semiconductor, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -203,6 +203,8 @@ static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev)
                         else
                                 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);