baa8973d8f
update driver code version for kernel-5.15 Change-Id:Ia9aa2bdc4fd13832171d19d04db7e913d991508f Signed-off-by: lingwenk <quic_lingwenk@quicinc.com>
110 řádky
3.0 KiB
C
110 řádky
3.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* FTS Capacitive touch screen controller (FingerTipS)
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*
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* Copyright (C) 2016-2019, STMicroelectronics Limited.
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* Authors: AMG(Analog Mems Group) <marco.cali@st.com>
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*
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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*
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**************************************************************************
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** STMicroelectronics **
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**************************************************************************
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** marco.cali@st.com **
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**************************************************************************
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* *
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* FTS Utility for mesuring/handling the time *
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* *
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**************************************************************************
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***************************************************************************
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*/
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/platform_device.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/string.h>
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#include <stdarg.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
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#include <linux/serio.h>
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#include <linux/time.h>
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#include <linux/pm.h>
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#include <linux/delay.h>
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#include <linux/ctype.h>
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#include <linux/gpio.h>
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#include <linux/i2c.h>
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#include <linux/i2c-dev.h>
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#include <linux/fs.h>
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#include <linux/uaccess.h>
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#include <linux/power_supply.h>
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#include <linux/firmware.h>
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#include <linux/regulator/consumer.h>
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#include <linux/of_gpio.h>
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#include <linux/timekeeping.h>
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//#include <linux/sec_sysfs.h>
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#include "ftsCrossCompile.h"
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#include "ftsTime.h"
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void startStopWatch(struct StopWatch *w)
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{
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w->start = ktime_to_timespec64(ktime_get());
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}
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void stopStopWatch(struct StopWatch *w)
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{
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w->end = ktime_to_timespec64(ktime_get());
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}
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int elapsedMillisecond(struct StopWatch *w)
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{
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int result;
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result = ((w->end.tv_sec - w->start.tv_sec) * 1000)
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+ (w->end.tv_nsec - w->start.tv_nsec) / 1000000;
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return result;
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}
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int elapsedNanosecond(struct StopWatch *w)
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{
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int result;
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result = ((w->end.tv_sec - w->start.tv_sec) * 1000000000)
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+ (w->end.tv_nsec - w->start.tv_nsec);
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return result;
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}
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char *timestamp()
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{
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char *result = NULL;
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result = (char *)kmalloc_array(1, sizeof(char), GFP_KERNEL);
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if (result == NULL)
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return NULL;
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result[0] = ' ';
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return result;
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}
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void stdelay(unsigned long ms)
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{
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msleep(ms);
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}
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