mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 15:37:23 +00:00
ec3b498192
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>
26 lines
546 B
C
26 lines
546 B
C
/*
|
|
* Status LED driver based on GPIO access conventions of Linux
|
|
*
|
|
* Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
|
|
* Licensed under the GPL-2 or later.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <status_led.h>
|
|
#include <asm/gpio.h>
|
|
|
|
void __led_init(led_id_t mask, int state)
|
|
{
|
|
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);
|
|
}
|
|
|
|
void __led_toggle(led_id_t mask)
|
|
{
|
|
gpio_set_value(mask, !gpio_get_value(mask));
|
|
}
|