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authorThomas Chou <thomas@wytron.com.tw>2010-06-09 13:32:46 +0800
committerScott McNutt <smcnutt@psyent.com>2010-07-12 11:30:52 -0400
commitec3b4981923396ba43f3b173eeffda60123e8d9d (patch)
tree1f8132b848942630e59d5e14c66d62a0b3259ec2 /drivers/misc
parent6db6c18b5074f959882bb199c850359ded54778f (diff)
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gpio_led: add gpio_request to __led_init
This patch adds the gpio usage request. The polarity is changed to positive as suggested by Mike Frysinger. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: Scott McNutt <smcnutt@psyent.com>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/gpio_led.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/misc/gpio_led.c b/drivers/misc/gpio_led.c
index acd6a90..3fedddc 100644
--- a/drivers/misc/gpio_led.c
+++ b/drivers/misc/gpio_led.c
@@ -2,26 +2,22 @@
* Status LED driver based on GPIO access conventions of Linux
*
* Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
- *
- * 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
- * published by the Free Software Foundation.
+ * Licensed under the GPL-2 or later.
*/
#include <common.h>
#include <status_led.h>
#include <asm/gpio.h>
-/* assume led is active low */
-
void __led_init(led_id_t mask, int state)
{
- gpio_direction_output(mask, (state == STATUS_LED_ON) ? 0 : 1);
+ gpio_request(mask, "gpio_led");
+ gpio_direction_output(mask, state == STATUS_LED_ON);
}
void __led_set(led_id_t mask, int state)
{
- gpio_set_value(mask, (state == STATUS_LED_ON) ? 0 : 1);
+ gpio_set_value(mask, state == STATUS_LED_ON);
}
void __led_toggle(led_id_t mask)