projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| d8fec1fc GJ |
1 | /* |
| 2 | * Atheros AR71XX/AR724X/AR913X common GPIO LEDs support | |
| 3 | * | |
| 4 | * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> | |
| 5 | * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify it | |
| 8 | * under the terms of the GNU General Public License version 2 as published | |
| 9 | * by the Free Software Foundation. | |
| 10 | */ | |
| 11 | ||
| 12 | #include <linux/init.h> | |
| 13 | #include <linux/slab.h> | |
| 14 | #include <linux/platform_device.h> | |
| 15 | ||
| 16 | #include "dev-leds-gpio.h" | |
| 17 | ||
| 18 | void __init ath79_register_leds_gpio(int id, | |
| 19 | unsigned num_leds, | |
| 20 | struct gpio_led *leds) | |
| 21 | { | |
| 22 | struct platform_device *pdev; | |
| 23 | struct gpio_led_platform_data pdata; | |
| 24 | struct gpio_led *p; | |
| 25 | int err; | |
| 26 | ||
| 97bf7a19 | 27 | p = kmemdup(leds, num_leds * sizeof(*p), GFP_KERNEL); |
| d8fec1fc GJ |
28 | if (!p) |
| 29 | return; | |
| 30 | ||
| d8fec1fc GJ |
31 | pdev = platform_device_alloc("leds-gpio", id); |
| 32 | if (!pdev) | |
| 33 | goto err_free_leds; | |
| 34 | ||
| 35 | memset(&pdata, 0, sizeof(pdata)); | |
| 36 | pdata.num_leds = num_leds; | |
| 37 | pdata.leds = p; | |
| 38 | ||
| 39 | err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); | |
| 40 | if (err) | |
| 41 | goto err_put_pdev; | |
| 42 | ||
| 43 | err = platform_device_add(pdev); | |
| 44 | if (err) | |
| 45 | goto err_put_pdev; | |
| 46 | ||
| 47 | return; | |
| 48 | ||
| 49 | err_put_pdev: | |
| 50 | platform_device_put(pdev); | |
| 51 | ||
| 52 | err_free_leds: | |
| 53 | kfree(p); | |
| 54 | } |