cregit-Linux how code gets into the kernel

Release 4.11 drivers/input/misc/hisi_powerkey.c

/*
 * Hisilicon PMIC powerkey driver
 *
 * Copyright (C) 2013 Hisilicon Ltd.
 * Copyright (C) 2015, 2016 Linaro Ltd.
 *
 * This file is subject to the terms and conditions of the GNU General
 * Public License. See the file "COPYING" in the main directory of this
 * archive for more details.
 *
 * 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/platform_device.h>
#include <linux/interrupt.h>
#include <linux/reboot.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of_irq.h>
#include <linux/input.h>
#include <linux/slab.h>

/* the held interrupt will trigger after 4 seconds */

#define MAX_HELD_TIME	(4 * MSEC_PER_SEC)


static irqreturn_t hi65xx_power_press_isr(int irq, void *q) { struct input_dev *input = q; pm_wakeup_event(input->dev.parent, MAX_HELD_TIME); input_report_key(input, KEY_POWER, 1); input_sync(input); return IRQ_HANDLED; }

Contributors

PersonTokensPropCommitsCommitProp
Jorge Ramirez-Ortiz48100.00%1100.00%
Total48100.00%1100.00%


static irqreturn_t hi65xx_power_release_isr(int irq, void *q) { struct input_dev *input = q; pm_wakeup_event(input->dev.parent, MAX_HELD_TIME); input_report_key(input, KEY_POWER, 0); input_sync(input); return IRQ_HANDLED; }

Contributors

PersonTokensPropCommitsCommitProp
Jorge Ramirez-Ortiz48100.00%1100.00%
Total48100.00%1100.00%


static irqreturn_t hi65xx_restart_toggle_isr(int irq, void *q) { struct input_dev *input = q; int value = test_bit(KEY_RESTART, input->key); pm_wakeup_event(input->dev.parent, MAX_HELD_TIME); input_report_key(input, KEY_RESTART, !value); input_sync(input); return IRQ_HANDLED; }

Contributors

PersonTokensPropCommitsCommitProp
Jorge Ramirez-Ortiz61100.00%1100.00%
Total61100.00%1100.00%

static const struct { const char *name; irqreturn_t (*handler)(int irq, void *q); } hi65xx_irq_info[] = { { "down", hi65xx_power_press_isr }, { "up", hi65xx_power_release_isr }, { "hold 4s", hi65xx_restart_toggle_isr }, };
static int hi65xx_powerkey_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct input_dev *input; int irq, i, error; input = devm_input_allocate_device(dev); if (!input) { dev_err(dev, "failed to allocate input device\n"); return -ENOMEM; } input->phys = "hisi_on/input0"; input->name = "HISI 65xx PowerOn Key"; input_set_capability(input, EV_KEY, KEY_POWER); input_set_capability(input, EV_KEY, KEY_RESTART); for (i = 0; i < ARRAY_SIZE(hi65xx_irq_info); i++) { irq = platform_get_irq_byname(pdev, hi65xx_irq_info[i].name); if (irq < 0) { error = irq; dev_err(dev, "couldn't get irq %s: %d\n", hi65xx_irq_info[i].name, error); return error; } error = devm_request_any_context_irq(dev, irq, hi65xx_irq_info[i].handler, IRQF_ONESHOT, hi65xx_irq_info[i].name, input); if (error < 0) { dev_err(dev, "couldn't request irq %s: %d\n", hi65xx_irq_info[i].name, error); return error; } } error = input_register_device(input); if (error) { dev_err(dev, "failed to register input device: %d\n", error); return error; } device_init_wakeup(dev, 1); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Jorge Ramirez-Ortiz240100.00%1100.00%
Total240100.00%1100.00%

static struct platform_driver hi65xx_powerkey_driver = { .driver = { .name = "hi65xx-powerkey", }, .probe = hi65xx_powerkey_probe, }; module_platform_driver(hi65xx_powerkey_driver); MODULE_AUTHOR("Zhiliang Xue <xuezhiliang@huawei.com"); MODULE_DESCRIPTION("Hisi PMIC Power key driver"); MODULE_LICENSE("GPL v2");

Overall Contributors

PersonTokensPropCommitsCommitProp
Jorge Ramirez-Ortiz516100.00%1100.00%
Total516100.00%1100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.