openssl - Mirror of https://github.com/openssl/openssl

Age	Commit message (Expand)	Author
2017-06-07	make error tables const and separate header file	Rich Salz
2016-05-17	Manual fixes after copyright consolidation	Rich Salz
2016-03-09	Use correct function ID in error path	Alessandro Ghedini
2016-03-07	Add dummy pipeline support for aes128_cbc_hmac_sha1	Matt Caswell
2016-03-07	Update the dasync engine to add a pipeline cipher	Matt Caswell
2016-02-29	GH758: e_dasync_err.h: honor no-filenames option	Viktor Szakats
2015-11-20	Add the Dummy Async engine (dasync)	Matt Caswell

/* * drivers/extcon/extcon_gpio.c * * Single-state GPIO extcon driver based on extcon class * * Copyright (C) 2008 Google, Inc. * Author: Mike Lockwood <lockwood@android.com> * * Modified by MyungJoo Ham <myungjoo.ham@samsung.com> to support extcon * (originally switch class is supported) * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and * may be copied, distributed, and modified under those terms. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/extcon.h> #include <linux/workqueue.h> #include <linux/gpio.h> #include <linux/extcon.h> #include <linux/extcon/extcon_gpio.h> struct gpio_extcon_data { struct extcon_dev edev; unsigned gpio; const char *state_on; const char *state_off; int irq; struct delayed_work work; unsigned long debounce_jiffies; }; static void gpio_extcon_work(struct work_struct *work) { int state; struct gpio_extcon_data *data = container_of(to_delayed_work(work), struct gpio_extcon_data, work); state = gpio_get_value(data->gpio); extcon_set_state(&data->edev, state); } static irqreturn_t gpio_irq_handler(int irq, void *dev_id) { struct gpio_extcon_data *extcon_data = dev_id; schedule_delayed_work(&extcon_data->work, extcon_data->debounce_jiffies); return IRQ_HANDLED; } static ssize_t extcon_gpio_print_state(struct extcon_dev *edev, char *buf) { struct gpio_extcon_data *extcon_data = container_of(edev, struct gpio_extcon_data, edev); const char *state; if (extcon_get_state(edev)) state = extcon_data->state_on; else state = extcon_data->state_off; if (state) return sprintf(buf, "%s\n", state); return -EINVAL; } static int __devinit gpio_extcon_probe(struct platform_device *pdev) { struct gpio_extcon_platform_data *pdata = pdev->dev.platform_data; struct gpio_extcon_data *extcon_data; int ret = 0; if (!pdata) return -EBUSY; if (!pdata->irq_flags) { dev_err(&pdev->dev, "IRQ flag is not specified.\n"); return -EINVAL; } extcon_data = devm_kzalloc(&pdev->dev, sizeof(struct gpio_extcon_data), GFP_KERNEL); if (!extcon_data) return -ENOMEM; extcon_data->edev.name = pdata->name; extcon_data->gpio = pdata->gpio; extcon_data->state_on = pdata->state_on; extcon_data->state_off = pdata->state_off; if (pdata->state_on && pdata->state_off) extcon_data->edev.print_state = extcon_gpio_print_state; extcon_data->debounce_jiffies = msecs_to_jiffies(pdata->debounce); ret = extcon_dev_register(&extcon_data->edev, &pdev->dev); if (ret < 0) return ret; ret = devm_gpio_request_one(&pdev->dev, extcon_data->gpio, GPIOF_DIR_IN, pdev->name); if (ret < 0) goto err; INIT_DELAYED_WORK(&extcon_data->work, gpio_extcon_work); extcon_data->irq = gpio_to_irq(extcon_data->gpio); if (extcon_data->irq < 0) { ret = extcon_data->irq; goto err; } ret = request_any_context_irq(extcon_data->irq, gpio_irq_handler, pdata->irq_flags, pdev->name, extcon_data); if (ret < 0) goto err; platform_set_drvdata(pdev, extcon_data); /* Perform initial detection */ gpio_extcon_work(&extcon_data->work.work); return 0; err: extcon_dev_unregister(&extcon_data->edev); return ret; } static int __devexit gpio_extcon_remove(struct platform_device *pdev) { struct gpio_extcon_data *extcon_data = platform_get_drvdata(pdev); cancel_delayed_work_sync(&extcon_data->work); free_irq(extcon_data->irq, extcon_data); extcon_dev_unregister(&extcon_data->edev); return 0; } static struct platform_driver gpio_extcon_driver = { .probe = gpio_extcon_probe, .remove = __devexit_p(gpio_extcon_remove), .driver = { .name = "extcon-gpio", .owner = THIS_MODULE, }, }; module_platform_driver(gpio_extcon_driver); MODULE_AUTHOR("Mike Lockwood <lockwood@android.com>"); MODULE_DESCRIPTION("GPIO extcon driver"); MODULE_LICENSE("GPL");