/*
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*
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* FocalTech ftxxxx TouchScreen driver.
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*
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* Copyright (c) 2012-2020, Focaltech Ltd. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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/*****************************************************************************
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*
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* File Name: focaltech_ex_mode.c
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*
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* Author: Focaltech Driver Team
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*
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* Created: 2016-08-31
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*
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* Abstract:
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*
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* Reference:
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*
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*****************************************************************************/
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/*****************************************************************************
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* 1.Included header files
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*****************************************************************************/
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#include "focaltech_core.h"
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/*****************************************************************************
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* 2.Private constant and macro definitions using #define
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*****************************************************************************/
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/*****************************************************************************
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* 3.Private enumerations, structures and unions using typedef
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*****************************************************************************/
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enum _ex_mode {
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MODE_GLOVE = 0,
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MODE_COVER,
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MODE_CHARGER,
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MODE_EARPHONE,
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MODE_EDGEPALM
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};
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/*****************************************************************************
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* 4.Static variables
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*****************************************************************************/
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/*****************************************************************************
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* 5.Global variable or extern global variabls/functions
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*****************************************************************************/
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/*****************************************************************************
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* 6.Static function prototypes
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*******************************************************************************/
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static int fts_ex_mode_set_reg(u8 mode_regaddr, u8 mode_regval)
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{
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int i = 0;
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u8 val = 0xFF;
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for (i = 0; i < FTS_MAX_RETRIES_WRITEREG; i++) {
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fts_read_reg(mode_regaddr, &val);
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if (val == mode_regval)
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break;
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fts_write_reg(mode_regaddr, mode_regval);
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fts_msleep(1);
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}
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if (i >= FTS_MAX_RETRIES_WRITEREG) {
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FTS_ERROR("set mode(%x) to %x failed,read val:%x", mode_regaddr, mode_regval, val);
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return -EIO;
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} else if (i > 0) {
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FTS_INFO("set mode(%x) to %x successfully", mode_regaddr, mode_regval);
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}
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return 0;
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}
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static int fts_ex_mode_switch(enum _ex_mode mode, int value)
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{
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int ret = 0;
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switch (mode) {
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case MODE_GLOVE:
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ret = fts_ex_mode_set_reg(FTS_REG_GLOVE_MODE_EN, (value ? 0x01 : 0x00));
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if (ret) FTS_ERROR("Set MODE_GLOVE to %d failed", value);
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break;
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case MODE_COVER:
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ret = fts_ex_mode_set_reg(FTS_REG_COVER_MODE_EN, (value ? 0x01 : 0x00));
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if (ret) FTS_ERROR("Set MODE_COVER to %d failed", value);
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break;
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case MODE_CHARGER:
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ret = fts_ex_mode_set_reg(FTS_REG_CHARGER_MODE_EN, (value ? 0x01 : 0x00));
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if (ret) FTS_ERROR("Set MODE_CHARGER to %d failed", value);
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break;
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case MODE_EARPHONE:
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ret = fts_ex_mode_set_reg(FTS_REG_EARPHONE_MODE_EN, (value ? 0x01 : 0x00));
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if (ret) FTS_ERROR("Set MODE_EARPHONE to %d failed", value);
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break;
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case MODE_EDGEPALM:
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/* FW defines the following values: 0:vertical, 1:horizontal, USB on the right,
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* 2:horizontal, USB on the left
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* If host set the value not defined above, you should have a transition.
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*/
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ret = fts_ex_mode_set_reg(FTS_REG_EDGEPALM_MODE_EN, (u8)value);
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if (ret) FTS_ERROR("Set MODE_EDGEPALM to %d failed", value);
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break;
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default:
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FTS_ERROR("mode(%d) unsupport", mode);
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ret = -EINVAL;
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break;
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}
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return ret;
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}
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static ssize_t fts_glove_mode_show(
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struct device *dev, struct device_attribute *attr, char *buf)
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{
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int count = 0;
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u8 reg_addr = FTS_REG_GLOVE_MODE_EN;
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u8 reg_val = 0;
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struct fts_ts_data *ts_data = dev_get_drvdata(dev);
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mutex_lock(&ts_data->input_dev->mutex);
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fts_read_reg(reg_addr, ®_val);
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count = snprintf(buf + count, PAGE_SIZE, "Glove Mode:%s\n",
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ts_data->glove_mode ? "On" : "Off");
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count += snprintf(buf + count, PAGE_SIZE, "Glove Reg:0x%02x,val:%d\n", reg_addr, reg_val);
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mutex_unlock(&ts_data->input_dev->mutex);
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return count;
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}
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static ssize_t fts_glove_mode_store(
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struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct fts_ts_data *ts_data = dev_get_drvdata(dev);
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mutex_lock(&ts_data->input_dev->mutex);
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if (FTS_SYSFS_ECHO_ON(buf)) {
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FTS_DEBUG("enter glove mode");
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ts_data->glove_mode = ENABLE;
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fts_ex_mode_switch(MODE_GLOVE, ENABLE);
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} else if (FTS_SYSFS_ECHO_OFF(buf)) {
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FTS_DEBUG("exit glove mode");
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ts_data->glove_mode = DISABLE;
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fts_ex_mode_switch(MODE_GLOVE, DISABLE);
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}
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mutex_unlock(&ts_data->input_dev->mutex);
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return count;
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}
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static ssize_t fts_cover_mode_show(
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struct device *dev, struct device_attribute *attr, char *buf)
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{
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int count = 0;
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u8 reg_addr = FTS_REG_COVER_MODE_EN;
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u8 reg_val = 0;
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struct fts_ts_data *ts_data = dev_get_drvdata(dev);
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mutex_lock(&ts_data->input_dev->mutex);
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fts_read_reg(reg_addr, ®_val);
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count = snprintf(buf + count, PAGE_SIZE, "Cover Mode:%s\n",
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ts_data->cover_mode ? "On" : "Off");
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count += snprintf(buf + count, PAGE_SIZE, "Cover Reg:0x%02x,val:%d\n", reg_addr, reg_val);
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mutex_unlock(&ts_data->input_dev->mutex);
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return count;
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}
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static ssize_t fts_cover_mode_store(
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struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct fts_ts_data *ts_data = dev_get_drvdata(dev);
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mutex_lock(&ts_data->input_dev->mutex);
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if (FTS_SYSFS_ECHO_ON(buf)) {
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FTS_DEBUG("enter cover mode");
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ts_data->cover_mode = ENABLE;
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fts_ex_mode_switch(MODE_COVER, ENABLE);
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} else if (FTS_SYSFS_ECHO_OFF(buf)) {
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FTS_DEBUG("exit cover mode");
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ts_data->cover_mode = DISABLE;
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fts_ex_mode_switch(MODE_COVER, DISABLE);
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}
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mutex_unlock(&ts_data->input_dev->mutex);
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return count;
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}
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static ssize_t fts_charger_mode_show(
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struct device *dev, struct device_attribute *attr, char *buf)
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{
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int count = 0;
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u8 reg_addr = FTS_REG_CHARGER_MODE_EN;
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u8 reg_val = 0;
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struct fts_ts_data *ts_data = dev_get_drvdata(dev);
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mutex_lock(&ts_data->input_dev->mutex);
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fts_read_reg(reg_addr, ®_val);
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count = snprintf(buf + count, PAGE_SIZE, "Charger Mode:%s\n",
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ts_data->charger_mode ? "On" : "Off");
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count += snprintf(buf + count, PAGE_SIZE, "Charger Reg:0x%02x,val:%d\n", reg_addr, reg_val);
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mutex_unlock(&ts_data->input_dev->mutex);
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return count;
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}
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static ssize_t fts_charger_mode_store(
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struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct fts_ts_data *ts_data = dev_get_drvdata(dev);
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mutex_lock(&ts_data->input_dev->mutex);
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if (FTS_SYSFS_ECHO_ON(buf)) {
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FTS_DEBUG("enter charger mode");
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ts_data->charger_mode = ENABLE;
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fts_ex_mode_switch(MODE_CHARGER, ENABLE);
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} else if (FTS_SYSFS_ECHO_OFF(buf)) {
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FTS_DEBUG("exit charger mode");
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ts_data->charger_mode = DISABLE;
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fts_ex_mode_switch(MODE_CHARGER, DISABLE);
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}
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mutex_unlock(&ts_data->input_dev->mutex);
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return count;
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}
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/* sysfs node: fts_earphone_mode */
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static ssize_t fts_earphone_show(
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struct device *dev, struct device_attribute *attr, char *buf)
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{
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int count = 0;
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u8 reg_addr = FTS_REG_EARPHONE_MODE_EN;
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u8 reg_val = 0;
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struct fts_ts_data *ts_data = dev_get_drvdata(dev);
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mutex_lock(&ts_data->input_dev->mutex);
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fts_read_reg(reg_addr, ®_val);
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count = snprintf(buf + count, PAGE_SIZE, "Earphone Mode:%s\n",
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ts_data->earphone_mode ? "On" : "Off");
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count += snprintf(buf + count, PAGE_SIZE, "Earphone Reg:0x%02x,val:%d\n", reg_addr, reg_val);
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mutex_unlock(&ts_data->input_dev->mutex);
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return count;
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}
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static ssize_t fts_earphone_store(
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struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct fts_ts_data *ts_data = dev_get_drvdata(dev);
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mutex_lock(&ts_data->input_dev->mutex);
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if (FTS_SYSFS_ECHO_ON(buf)) {
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FTS_DEBUG("enter earphone mode");
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ts_data->earphone_mode = ENABLE;
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fts_ex_mode_switch(MODE_EARPHONE, ENABLE);
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} else if (FTS_SYSFS_ECHO_OFF(buf)) {
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FTS_DEBUG("exit earphone mode");
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ts_data->earphone_mode = DISABLE;
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fts_ex_mode_switch(MODE_EARPHONE, DISABLE);
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}
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mutex_unlock(&ts_data->input_dev->mutex);
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return count;
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}
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/* sysfs node: fts_edgepalm_mode */
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static ssize_t fts_edgepalm_show(
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struct device *dev, struct device_attribute *attr, char *buf)
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{
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int count = 0;
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u8 reg_addr = FTS_REG_EDGEPALM_MODE_EN;
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u8 reg_val = 0;
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struct fts_ts_data *ts_data = dev_get_drvdata(dev);
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mutex_lock(&ts_data->input_dev->mutex);
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fts_read_reg(reg_addr, ®_val);
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count = snprintf(buf + count, PAGE_SIZE, "Edgepalm Mode:%s,value:%d\n",
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ts_data->edgepalm_mode ? "On" : "Off", ts_data->edgepalm_value);
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count += snprintf(buf + count, PAGE_SIZE, "Edgepalm Reg:0x%02x,val:%d\n", reg_addr, reg_val);
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mutex_unlock(&ts_data->input_dev->mutex);
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return count;
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}
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static ssize_t fts_edgepalm_store(
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struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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int value = 0;
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int n = 0;
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struct fts_ts_data *ts_data = dev_get_drvdata(dev);
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mutex_lock(&ts_data->input_dev->mutex);
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n = sscanf(buf, "%d", &value);
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if (n == 1) {
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ts_data->edgepalm_value = value;
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ts_data->edgepalm_mode = !!value;
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fts_ex_mode_switch(MODE_EDGEPALM, value);
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}
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mutex_unlock(&ts_data->input_dev->mutex);
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return count;
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}
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/* read and write charger mode
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* read example: cat fts_glove_mode ---read glove mode
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* write example:echo 1 > fts_glove_mode ---write glove mode to 01
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*/
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static DEVICE_ATTR(fts_glove_mode, S_IRUGO | S_IWUSR, fts_glove_mode_show, fts_glove_mode_store);
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static DEVICE_ATTR(fts_cover_mode, S_IRUGO | S_IWUSR, fts_cover_mode_show, fts_cover_mode_store);
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static DEVICE_ATTR(fts_charger_mode, S_IRUGO | S_IWUSR, fts_charger_mode_show, fts_charger_mode_store);
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static DEVICE_ATTR(fts_earphone_mode, S_IRUGO | S_IWUSR, fts_earphone_show, fts_earphone_store);
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static DEVICE_ATTR(fts_edgepalm_mode, S_IRUGO | S_IWUSR, fts_edgepalm_show, fts_edgepalm_store);
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static struct attribute *fts_touch_mode_attrs[] = {
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&dev_attr_fts_glove_mode.attr,
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&dev_attr_fts_cover_mode.attr,
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&dev_attr_fts_charger_mode.attr,
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&dev_attr_fts_earphone_mode.attr,
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&dev_attr_fts_edgepalm_mode.attr,
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NULL,
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};
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static struct attribute_group fts_touch_mode_group = {
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.attrs = fts_touch_mode_attrs,
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};
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int fts_ex_mode_recovery(struct fts_ts_data *ts_data)
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{
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if (ts_data->glove_mode) {
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fts_ex_mode_switch(MODE_GLOVE, ENABLE);
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}
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if (ts_data->cover_mode) {
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fts_ex_mode_switch(MODE_COVER, ENABLE);
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}
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if (ts_data->charger_mode) {
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fts_ex_mode_switch(MODE_CHARGER, ENABLE);
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}
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if (ts_data->earphone_mode) {
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fts_ex_mode_switch(MODE_EARPHONE, ENABLE);
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}
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if (ts_data->edgepalm_mode) {
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fts_ex_mode_switch(MODE_EDGEPALM, ts_data->edgepalm_value);
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}
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return 0;
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}
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int fts_ex_mode_init(struct fts_ts_data *ts_data)
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{
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int ret = 0;
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ts_data->glove_mode = DISABLE;
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ts_data->cover_mode = DISABLE;
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ts_data->charger_mode = DISABLE;
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ts_data->earphone_mode = DISABLE;
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ts_data->edgepalm_mode = DISABLE;
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ret = sysfs_create_group(&ts_data->dev->kobj, &fts_touch_mode_group);
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if (ret < 0) {
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FTS_ERROR("create sysfs(ex_mode) fail");
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sysfs_remove_group(&ts_data->dev->kobj, &fts_touch_mode_group);
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return ret;
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} else {
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FTS_DEBUG("create sysfs(ex_mode) successfully");
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}
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return 0;
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}
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int fts_ex_mode_exit(struct fts_ts_data *ts_data)
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{
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sysfs_remove_group(&ts_data->dev->kobj, &fts_touch_mode_group);
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return 0;
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}
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