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path: root/src/hal-api-device-bezel.c
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/*
 * Copyright (c) 2021 Samsung Electronics Co., Ltd All Rights Reserved
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <stdlib.h>
#include <stdio.h>

#include <hal/hal-common.h>

#include "hal-device-bezel-interface.h"
#include "common.h"

static hal_backend_device_bezel_funcs *hal_device_bezel_funcs = NULL;

int hal_device_bezel_get_backend(void)
{
	int ret;

	if (hal_device_bezel_funcs)
		return 0;

	hal_device_bezel_funcs = calloc(1, sizeof(hal_backend_device_bezel_funcs));
	if (!hal_device_bezel_funcs)
		return -ENOMEM;

	ret = hal_common_get_backend(HAL_MODULE_DEVICE_BEZEL, (void **)&hal_device_bezel_funcs);
	if (ret < 0) {
		_E("Failed to get device-bezel backend");
		free(hal_device_bezel_funcs);
		hal_device_bezel_funcs = NULL;
		return -ENOTSUP;
	}

	return 0;
}

int hal_device_bezel_put_backend(void)
{
	int ret = 0;

	if (!hal_device_bezel_funcs)
		return 0;

	ret = hal_common_put_backend(HAL_MODULE_DEVICE_BEZEL, (void *)hal_device_bezel_funcs);
	if (ret < 0) {
		_E("Failed to put device-bezel backend");
		return ret;
	}

	free(hal_device_bezel_funcs);
	hal_device_bezel_funcs = NULL;

	return 0;
}

int hal_device_bezel_get_state(hal_device_bezel_state_e *state)
{
	int ret;

	if (!state)
		return -EINVAL;

	if (!hal_device_bezel_funcs) {
		if ((ret = hal_device_bezel_get_backend()) < 0)
			return ret;
	}

	if (!hal_device_bezel_funcs ||
		!hal_device_bezel_funcs->get_state)
		return -ENOTSUP;

	return hal_device_bezel_funcs->get_state(state);
}

int hal_device_bezel_set_state(hal_device_bezel_state_e state)
{
	int ret;

	if (!hal_device_bezel_funcs) {
		if ((ret = hal_device_bezel_get_backend()) < 0)
			return ret;
	}

	if (!hal_device_bezel_funcs ||
		!hal_device_bezel_funcs->set_state)
		return -ENOTSUP;

	return hal_device_bezel_funcs->set_state(state);
}

int hal_device_bezel_get_sw_state(hal_device_bezel_state_e *state)
{
	int ret;

	if (!state)
		return -EINVAL;

	if (!hal_device_bezel_funcs) {
		if ((ret = hal_device_bezel_get_backend()) < 0)
			return ret;
	}

	if (!hal_device_bezel_funcs ||
		!hal_device_bezel_funcs->get_sw_state)
		return -ENOTSUP;

	return hal_device_bezel_funcs->get_sw_state(state);
}

int hal_device_bezel_set_sw_state(hal_device_bezel_state_e state)
{
	int ret;

	if (!hal_device_bezel_funcs) {
		if ((ret = hal_device_bezel_get_backend()) < 0)
			return ret;
	}

	if (!hal_device_bezel_funcs ||
		!hal_device_bezel_funcs->set_sw_state)
		return -ENOTSUP;

	return hal_device_bezel_funcs->set_sw_state(state);
}

int hal_device_bezel_get_vib_state(hal_device_bezel_vib_state_e *state)
{
	int ret;

	if (!state)
		return -EINVAL;

	if (!hal_device_bezel_funcs) {
		if ((ret = hal_device_bezel_get_backend()) < 0)
			return ret;
	}

	if (!hal_device_bezel_funcs ||
		!hal_device_bezel_funcs->get_vib_state)
		return -ENOTSUP;

	return hal_device_bezel_funcs->get_vib_state(state);
}

int hal_device_bezel_set_vib_state(hal_device_bezel_vib_state_e state)
{
	int ret;

	if (!hal_device_bezel_funcs) {
		if ((ret = hal_device_bezel_get_backend()) < 0)
			return ret;
	}

	if (!hal_device_bezel_funcs ||
		!hal_device_bezel_funcs->set_vib_state)
		return -ENOTSUP;

	return hal_device_bezel_funcs->set_vib_state(state);
}