diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/mips/ath79/dev-leds-gpio.c |
Initial import
Diffstat (limited to 'arch/mips/ath79/dev-leds-gpio.c')
-rw-r--r-- | arch/mips/ath79/dev-leds-gpio.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/mips/ath79/dev-leds-gpio.c b/arch/mips/ath79/dev-leds-gpio.c new file mode 100644 index 000000000..dcb1debce --- /dev/null +++ b/arch/mips/ath79/dev-leds-gpio.c @@ -0,0 +1,54 @@ +/* + * Atheros AR71XX/AR724X/AR913X common GPIO LEDs support + * + * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * 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. + */ + +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/platform_device.h> + +#include "dev-leds-gpio.h" + +void __init ath79_register_leds_gpio(int id, + unsigned num_leds, + struct gpio_led *leds) +{ + struct platform_device *pdev; + struct gpio_led_platform_data pdata; + struct gpio_led *p; + int err; + + p = kmemdup(leds, num_leds * sizeof(*p), GFP_KERNEL); + if (!p) + return; + + pdev = platform_device_alloc("leds-gpio", id); + if (!pdev) + goto err_free_leds; + + memset(&pdata, 0, sizeof(pdata)); + pdata.num_leds = num_leds; + pdata.leds = p; + + err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); + if (err) + goto err_put_pdev; + + err = platform_device_add(pdev); + if (err) + goto err_put_pdev; + + return; + +err_put_pdev: + platform_device_put(pdev); + +err_free_leds: + kfree(p); +} |