// 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 #include #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, };