Dateien
android_kernel_samsung_sm86…/st/fts_aoi_event.c
Fei Mao cb9d543e8a touch: add drivers
Add all drivers for new platforms.

Change-Id: Ie9947b0c6f8ddfee7dab6dfa80d6aca62323f4da
Signed-off-by: Fei Mao <feim1@codeaurora.org>
2021-10-22 18:18:20 +08:00

154 Zeilen
3.3 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
*/
#include <linux/device.h>
#include <linux/i2c.h>
#include "fts.h"
static ssize_t touch_event_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return 0;
}
ssize_t aoi_set_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
struct i2c_client *client = to_i2c_client(dev);
struct fts_ts_info *info = i2c_get_clientdata(client);
int left, top, right, bottom;
ret = sscanf(buf, "%d %d %d %d", &left, &top, &right, &bottom);
if (ret != 4)
return -EINVAL;
if (right > X_AXIS_MAX)
right = X_AXIS_MAX;
if (bottom > Y_AXIS_MAX)
bottom = Y_AXIS_MAX;
if (left < 0 || left > X_AXIS_MAX || right < 0 ||
top > Y_AXIS_MAX || bottom < 0)
return -EINVAL;
if (left >= right || top >= bottom) {
info->aoi_left = 0;
info->aoi_top = 0;
info->aoi_right = 0;
info->aoi_bottom = 0;
info->aoi_notify_enabled = false;
return count;
}
info->aoi_left = left;
info->aoi_top = top;
info->aoi_right = right;
info->aoi_bottom = bottom;
info->aoi_notify_enabled = true;
return count;
}
static ssize_t aoi_set_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct i2c_client *client = to_i2c_client(dev);
struct fts_ts_info *info = i2c_get_clientdata(client);
size_t len = 0;
len = scnprintf(buf + len, PAGE_SIZE,
"%d %d %d %d",
info->aoi_left,
info->aoi_top,
info->aoi_right,
info->aoi_bottom);
return len;
}
static ssize_t power_set_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int enable;
if (kstrtoint(buf, 10, &enable))
return -EINVAL;
return count;
}
static DEVICE_ATTR_RO(touch_event);
static DEVICE_ATTR_RW(aoi_set);
static DEVICE_ATTR_WO(power_set);
static struct attribute *aoi_cmd_attributes[] = {
&dev_attr_touch_event.attr,
&dev_attr_aoi_set.attr,
&dev_attr_power_set.attr,
NULL,
};
struct attribute_group aoi_cmd_attr_group = {
.attrs = aoi_cmd_attributes,
};
static ssize_t enable_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct fts_ts_info *info = dev_get_drvdata(dev);
int enable;
if (kstrtoint(buf, 10, &enable))
return -EINVAL;
if (!enable && info->aoi_notify_enabled) {
info->aoi_left = 0;
info->aoi_top = 0;
info->aoi_right = 0;
info->aoi_bottom = 0;
info->aoi_notify_enabled = false;
} else {
info->aoi_left = 0;
info->aoi_top = 0;
info->aoi_right = X_AXIS_MAX;
info->aoi_bottom = Y_AXIS_MAX;
info->aoi_notify_enabled = true;
}
return count;
}
static ssize_t enable_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct fts_ts_info *info = dev_get_drvdata(dev);
size_t len = 0;
len = scnprintf(buf, PAGE_SIZE,
"%d",
info->aoi_notify_enabled);
return len;
}
static DEVICE_ATTR_RW(enable);
static struct attribute *aoi_enable_attributes[] = {
&dev_attr_aoi_set.attr,
&dev_attr_enable.attr,
NULL,
};
struct attribute_group aoi_enable_attr_group = {
.attrs = aoi_enable_attributes,
};