C++ (Cpp) initialize_magnetic Exemples

Exemple #1

Fichier : ssp_dev.c Projet : LuckJC/Adam-Kernel-GS3

static int ssp_probe(struct i2c_client *client,
	const struct i2c_device_id *devid)
{
	int iRet = 0;
	struct ssp_data *data;
	struct ssp_platform_data *pdata = client->dev.platform_data;

	if (pdata == NULL) {
		pr_err("[SSP]: %s - platform_data is null..\n", __func__);
		iRet = -ENOMEM;
		goto exit;
	}

	data = kzalloc(sizeof(*data), GFP_KERNEL);
	if (data == NULL) {
		pr_err("[SSP]: %s - failed to allocate memory for data\n",
			__func__);
		iRet = -ENOMEM;
		goto exit;
	}

	data->fw_dl_state = FW_DL_STATE_NONE;
	data->client = client;
	i2c_set_clientdata(client, data);

	data->wakeup_mcu = pdata->wakeup_mcu;
	data->check_mcu_ready = pdata->check_mcu_ready;
	data->check_mcu_busy = pdata->check_mcu_busy;
	data->set_mcu_reset = pdata->set_mcu_reset;
	data->check_ap_rev = pdata->check_ap_rev;

	if ((data->wakeup_mcu == NULL)
		|| (data->check_mcu_ready == NULL)
		|| (data->check_mcu_busy == NULL)
		|| (data->set_mcu_reset == NULL)
		|| (data->check_ap_rev == NULL)) {
		pr_err("[SSP]: %s - function callback is null\n", __func__);
		iRet = -EIO;
		goto err_reset_null;
	}

	pr_info("\n#####################################################\n");
	INIT_DELAYED_WORK(&data->work_firmware, work_function_firmware_update);

	/* check boot loader binary */
	data->fw_dl_state = check_fwbl(data);

	initialize_variable(data);

	if (data->fw_dl_state == FW_DL_STATE_NONE) {
		iRet = initialize_mcu(data);
		if (iRet == ERROR) {
			data->uResetCnt++;
			toggle_mcu_reset(data);
			msleep(SSP_SW_RESET_TIME);
			initialize_mcu(data);
		} else if (iRet < ERROR) {
			pr_err("[SSP]: %s - initialize_mcu failed\n", __func__);
			goto err_read_reg;
		}
	}

	wake_lock_init(&data->ssp_wake_lock,
		WAKE_LOCK_SUSPEND, "ssp_wake_lock");

	iRet = initialize_input_dev(data);
	if (iRet < 0) {
		pr_err("[SSP]: %s - could not create input device\n", __func__);
		goto err_input_register_device;
	}

	initialize_magnetic(data);

	iRet = misc_register(&data->akmd_device);
	if (iRet)
		goto err_akmd_device_register;

	iRet = initialize_debug_timer(data);
	if (iRet < 0) {
		pr_err("[SSP]: %s - could not create workqueue\n", __func__);
		goto err_create_workqueue;
	}

	iRet = initialize_irq(data);
	if (iRet < 0) {
		pr_err("[SSP]: %s - could not create irq\n", __func__);
		goto err_setup_irq;
	}

	iRet = initialize_sysfs(data);
	if (iRet < 0) {
		pr_err("[SSP]: %s - could not create sysfs\n", __func__);
		goto err_sysfs_create;
	}

	iRet = initialize_event_symlink(data);
	if (iRet < 0) {
		pr_err("[SSP]: %s - could not create symlink\n", __func__);
		goto err_symlink_create;
	}

#ifdef CONFIG_HAS_EARLYSUSPEND
	data->early_suspend.suspend = ssp_early_suspend;
	data->early_suspend.resume = ssp_late_resume;
	register_early_suspend(&data->early_suspend);
#endif

#ifdef CONFIG_SENSORS_SSP_SENSORHUB
	/* init sensorhub device */
	iRet = ssp_sensorhub_initialize(data);
	if (iRet < 0) {
		pr_err("%s: ssp_sensorhub_initialize err(%d)", __func__, iRet);
		ssp_sensorhub_remove(data);
	}
#endif

	data->bSspShutdown = false;
	enable_irq(data->iIrq);
	enable_irq_wake(data->iIrq);
	pr_info("[SSP]: %s - probe success!\n", __func__);

	enable_debug_timer(data);

	iRet = 0;

	if (data->fw_dl_state == FW_DL_STATE_NEED_TO_SCHEDULE) {
		pr_info("[SSP]: Firmware update is scheduled\n");
		schedule_delayed_work(&data->work_firmware,
				msecs_to_jiffies(3000));
		data->fw_dl_state = FW_DL_STATE_SCHEDULED;
	} else if (data->fw_dl_state == FW_DL_STATE_FAIL)
		data->bSspShutdown = true;

	goto exit;

err_symlink_create:
	remove_sysfs(data);
err_sysfs_create:
	free_irq(data->iIrq, data);
	gpio_free(data->client->irq);
err_setup_irq:
	destroy_workqueue(data->debug_wq);
err_create_workqueue:
	misc_deregister(&data->akmd_device);
err_akmd_device_register:
	remove_input_dev(data);
err_input_register_device:
	wake_lock_destroy(&data->ssp_wake_lock);
err_read_reg:
err_reset_null:
	kfree(data);
	pr_err("[SSP]: %s - probe failed!\n", __func__);
exit:
	pr_info("#####################################################\n\n");
	return iRet;
}

Exemple #2

Fichier : ssp_dev.c Projet : AndreiLux/Perseus-S3

static int ssp_probe(struct i2c_client *client,
	const struct i2c_device_id *devid)
{
	int iRet = 0;
	struct ssp_data *data;
	struct ssp_platform_data *pdata = client->dev.platform_data;

	if (pdata == NULL) {
		pr_err("[SSP]: %s - platform_data is null..\n", __func__);
		iRet = -ENOMEM;
		goto exit;
	}

	data = kzalloc(sizeof(*data), GFP_KERNEL);
	if (data == NULL) {
		pr_err("[SSP]: %s - failed to allocate memory for data\n",
			__func__);
		iRet = -ENOMEM;
		goto exit;
	}

	data->client = client;
	i2c_set_clientdata(client, data);

	data->wakeup_mcu = pdata->wakeup_mcu;
	data->check_mcu_ready = pdata->check_mcu_ready;
	data->check_mcu_busy = pdata->check_mcu_busy;
	data->set_mcu_reset = pdata->set_mcu_reset;
	data->check_ap_rev = pdata->check_ap_rev;

	if ((data->wakeup_mcu == NULL)
		|| (data->check_mcu_ready == NULL)
		|| (data->check_mcu_busy == NULL)
		|| (data->set_mcu_reset == NULL)
		|| (data->check_ap_rev == NULL)) {
		pr_err("[SSP]: %s - function callback is null\n", __func__);
		iRet = -EIO;
		goto err_reset_null;
	}

	pr_info("\n#####################################################\n");

	/* check boot loader binary */
	check_fwbl(data);

	initialize_variable(data);

	iRet = initialize_mcu(data);
	if (iRet < 0) {
		pr_err("[SSP]: %s - initialize_mcu failed\n", __func__);
		goto err_read_reg;
	}

	wake_lock_init(&data->ssp_wake_lock,
		WAKE_LOCK_SUSPEND, "ssp_wake_lock");

	iRet = initialize_input_dev(data);
	if (iRet < 0) {
		pr_err("[SSP]: %s - could not create input device\n", __func__);
		goto err_input_register_device;
	}

	initialize_magnetic(data);

	iRet = misc_register(&data->akmd_device);
	if (iRet)
		goto err_akmd_device_register;

	iRet = initialize_debug_timer(data);
	if (iRet < 0) {
		pr_err("[SSP]: %s - could not create workqueue\n", __func__);
		goto err_create_workqueue;
	}

	iRet = initialize_irq(data);
	if (iRet < 0) {
		pr_err("[SSP]: %s - could not create irq\n", __func__);
		goto err_setup_irq;
	}

	iRet = initialize_sysfs(data);
	if (iRet < 0) {
		pr_err("[SSP]: %s - could not create sysfs\n", __func__);
		goto err_sysfs_create;
	}

	iRet = initialize_event_symlink(data);
	if (iRet < 0) {
		pr_err("[SSP]: %s - could not create symlink\n", __func__);
		goto err_symlink_create;
	}

#ifdef CONFIG_HAS_EARLYSUSPEND
	data->early_suspend.suspend = ssp_early_suspend;
	data->early_suspend.resume = ssp_late_resume;
	register_early_suspend(&data->early_suspend);
#endif

#ifdef CONFIG_SENSORS_SSP_SENSORHUB
	/* init sensorhub device */
	iRet = ssp_initialize_sensorhub(data);
	if (iRet < 0) {
		pr_err("%s: ssp_initialize_sensorhub err(%d)", __func__, iRet);
		ssp_remove_sensorhub(data);
	}
#endif

	enable_irq(data->iIrq);
	enable_irq_wake(data->iIrq);
	pr_info("[SSP]: %s - probe success!\n", __func__);

	enable_debug_timer(data);

	iRet = 0;
	goto exit;

err_symlink_create:
	remove_sysfs(data);
err_sysfs_create:
	free_irq(data->iIrq, data);
	gpio_free(data->client->irq);
err_setup_irq:
	destroy_workqueue(data->debug_wq);
err_create_workqueue:
	misc_deregister(&data->akmd_device);
err_akmd_device_register:
	remove_input_dev(data);
err_input_register_device:
	wake_lock_destroy(&data->ssp_wake_lock);
err_read_reg:
err_reset_null:
	kfree(data);
	pr_err("[SSP]: %s - probe failed!\n", __func__);
exit:
	pr_info("#####################################################\n\n");
	return iRet;
}