/* * LED Triggers Core * * Copyright 2005-2006 Openedhand Ltd. * * Author: Richard Purdie <rpurdie@openedhand.com> * * 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/config.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/leds.h> #include <asm/hardware/scoop.h> #include <asm/mach-types.h> #include <asm/arch/hardware.h> #include <asm/arch/pxa-regs.h> #include <asm/arch/spitz.h> static void spitzled_amber_set(struct led_classdev *led_cdev, enum led_brightness value) { if (value) set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_ORANGE); else reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_ORANGE); } static void spitzled_green_set(struct led_classdev *led_cdev, enum led_brightness value) { if (value) set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN); else reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN); } static struct led_classdev spitz_amber_led = { .name = "spitz:amber", .default_trigger = "sharpsl-charge", .brightness_set = spitzled_amber_set, }; static struct led_classdev spitz_green_led = { .name = "spitz:green", .default_trigger = "ide-disk", .brightness_set = spitzled_green_set, }; #ifdef CONFIG_PM static int spitzled_suspend(struct platform_device *dev, pm_message_t state) { #ifdef CONFIG_LEDS_TRIGGERS if (spitz_amber_led.trigger && strcmp(spitz_amber_led.trigger->name, "sharpsl-charge")) #endif led_classdev_suspend(&spitz_amber_led); led_classdev_suspend(&spitz_green_led); return 0; } static int spitzled_resume(struct platform_device *dev) { led_classdev_resume(&spitz_amber_led); led_classdev_resume(&spitz_green_led); return 0; } #endif static int spitzled_probe(struct platform_device *pdev) { int ret; if (machine_is_akita()) spitz_green_led.default_trigger = "nand-disk"; ret = led_classdev_register(&pdev->dev, &spitz_amber_led); if (ret < 0) return ret; ret = led_classdev_register(&pdev->dev, &spitz_green_led); if (ret < 0) led_classdev_unregister(&spitz_amber_led); return ret; } static int spitzled_remove(struct platform_device *pdev) { led_classdev_unregister(&spitz_amber_led); led_classdev_unregister(&spitz_green_led); return 0; } static struct platform_driver spitzled_driver = { .probe = spitzled_probe, .remove = spitzled_remove, #ifdef CONFIG_PM .suspend = spitzled_suspend, .resume = spitzled_resume, #endif .driver = { .name = "spitz-led", }, }; static int __init spitzled_init(void) { return platform_driver_register(&spitzled_driver); } static void __exit spitzled_exit(void) { platform_driver_unregister(&spitzled_driver); } module_init(spitzled_init); module_exit(spitzled_exit); MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>"); MODULE_DESCRIPTION("Spitz LED driver"); MODULE_LICENSE("GPL");