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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>
This commit is contained in:
Thomas Chou 2010-06-09 13:32:46 +08:00 committed by Scott McNutt
parent 6db6c18b50
commit ec3b498192
1 changed files with 4 additions and 8 deletions
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12
drivers/misc/gpio_led.c
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@ -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)