cregit-Linux how code gets into the kernel

Release 4.7 drivers/input/misc/retu-pwrbutton.c

/*
 * Retu power button driver.
 *
 * Copyright (C) 2004-2010 Nokia Corporation
 *
 * Original code written by Ari Saastamoinen, Juha Yrjölä and Felipe Balbi.
 * Rewritten by Aaro Koskinen.
 *
 * 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/irq.h>
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/input.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mfd/retu.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>


#define RETU_STATUS_PWRONX (1 << 5)


static irqreturn_t retu_pwrbutton_irq(int irq, void *_pwr) { struct input_dev *idev = _pwr; struct retu_dev *rdev = input_get_drvdata(idev); bool state; state = !(retu_read(rdev, RETU_REG_STATUS) & RETU_STATUS_PWRONX); input_report_key(idev, KEY_POWER, state); input_sync(idev); return IRQ_HANDLED; }

Contributors

PersonTokensPropCommitsCommitProp
aaro koskinenaaro koskinen64100.00%1100.00%
Total64100.00%1100.00%


static int retu_pwrbutton_probe(struct platform_device *pdev) { struct retu_dev *rdev = dev_get_drvdata(pdev->dev.parent); struct input_dev *idev; int irq; int error; irq = platform_get_irq(pdev, 0); if (irq < 0) return irq; idev = devm_input_allocate_device(&pdev->dev); if (!idev) return -ENOMEM; idev->name = "retu-pwrbutton"; idev->dev.parent = &pdev->dev; input_set_capability(idev, EV_KEY, KEY_POWER); input_set_drvdata(idev, rdev); error = devm_request_threaded_irq(&pdev->dev, irq, NULL, retu_pwrbutton_irq, IRQF_ONESHOT, "retu-pwrbutton", idev); if (error) return error; error = input_register_device(idev); if (error) return error; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
aaro koskinenaaro koskinen15199.34%150.00%
fabio estevamfabio estevam10.66%150.00%
Total152100.00%2100.00%


static int retu_pwrbutton_remove(struct platform_device *pdev) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
aaro koskinenaaro koskinen14100.00%1100.00%
Total14100.00%1100.00%

static struct platform_driver retu_pwrbutton_driver = { .probe = retu_pwrbutton_probe, .remove = retu_pwrbutton_remove, .driver = { .name = "retu-pwrbutton", }, }; module_platform_driver(retu_pwrbutton_driver); MODULE_ALIAS("platform:retu-pwrbutton"); MODULE_DESCRIPTION("Retu Power Button"); MODULE_AUTHOR("Ari Saastamoinen"); MODULE_AUTHOR("Felipe Balbi"); MODULE_AUTHOR("Aaro Koskinen <aaro.koskinen@iki.fi>"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
aaro koskinenaaro koskinen32399.69%150.00%
fabio estevamfabio estevam10.31%150.00%
Total324100.00%2100.00%
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