1 /* 2 * Status LED driver based on GPIO access conventions of Linux 3 * 4 * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw> 5 * Licensed under the GPL-2 or later. 6 */ 7 8 #include <common.h> 9 #include <status_led.h> 10 #include <asm/gpio.h> 11 12 void __led_init(led_id_t mask, int state) 13 { 14 gpio_request(mask, "gpio_led"); 15 gpio_direction_output(mask, state == STATUS_LED_ON); 16 } 17 18 void __led_set(led_id_t mask, int state) 19 { 20 gpio_set_value(mask, state == STATUS_LED_ON); 21 } 22 23 void __led_toggle(led_id_t mask) 24 { 25 gpio_set_value(mask, !gpio_get_value(mask)); 26 } 27