102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
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/*
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* Copyright (C) 2020, Samsung Electronics Co. Ltd. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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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#include "../sensormanager/shub_sensor.h"
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#include "../sensormanager/shub_sensor_manager.h"
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#include "../utility/shub_utility.h"
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#include <linux/slab.h>
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int init_super(bool en)
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{
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struct shub_sensor *sensor = get_sensor(SENSOR_TYPE_SENSORHUB);
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if (!sensor)
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return 0;
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if (en) {
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strcpy(sensor->name, "sensorhub_sensor");
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sensor->receive_event_size = 0;
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sensor->report_event_size = 3;
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sensor->event_buffer.value = kzalloc(sensor->report_event_size, GFP_KERNEL);
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if (!sensor->event_buffer.value)
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goto err_no_mem;
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} else {
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kfree(sensor->event_buffer.value);
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sensor->event_buffer.value = NULL;
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}
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return 0;
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err_no_mem:
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kfree(sensor->event_buffer.value);
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sensor->event_buffer.value = NULL;
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return -ENOMEM;
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}
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int get_hub_debugger_value(char *dataframe, int *index, struct sensor_event *event, int frame_len)
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{
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u16 length = 0;
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u8 *buf;
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memcpy(&length, dataframe + *index, 2);
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if (*index + length > frame_len)
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return -EINVAL;
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*index += 2;
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buf = kzalloc(length, GFP_KERNEL);
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memcpy(buf, dataframe + *index, length);
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shub_info("[M] %s", buf);
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*index += length;
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kfree(buf);
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return 0;
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}
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int init_hub_debugger(bool en)
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{
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struct shub_sensor *sensor = get_sensor(SENSOR_TYPE_HUB_DEBUGGER);
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if (!sensor)
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return 0;
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if (en) {
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strcpy(sensor->name, "hub_debugger");
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sensor->hal_sensor = false;
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sensor->receive_event_size = 0;
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sensor->report_event_size = 0;
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sensor->funcs = kzalloc(sizeof(struct sensor_funcs), GFP_KERNEL);
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if (!sensor->funcs)
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goto err_no_mem;
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sensor->funcs->get_sensor_value = get_hub_debugger_value;
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} else {
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kfree(sensor->funcs);
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sensor->funcs = NULL;
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}
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return 0;
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err_no_mem:
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kfree(sensor->funcs);
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sensor->funcs = NULL;
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return -ENOMEM;
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}
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