diff options
Diffstat (limited to 'target/linux/lantiq/files/arch/mips/lantiq/dev-gpio-leds.c')
| -rw-r--r-- | target/linux/lantiq/files/arch/mips/lantiq/dev-gpio-leds.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/target/linux/lantiq/files/arch/mips/lantiq/dev-gpio-leds.c b/target/linux/lantiq/files/arch/mips/lantiq/dev-gpio-leds.c new file mode 100644 index 000000000..89dc79de6 --- /dev/null +++ b/target/linux/lantiq/files/arch/mips/lantiq/dev-gpio-leds.c @@ -0,0 +1,57 @@ +/* + * Lantiq GPIO LED device support + * + * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * Parts of this file are based on Atheros' 2.6.15 BSP + * + * 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-gpio-leds.h> + +void __init ltq_add_device_gpio_leds(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 = kmalloc(num_leds * sizeof(*p), GFP_KERNEL); + if (!p) + return; + + memcpy(p, leds, num_leds * sizeof(*p)); + + 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); +} |