Exemple #1
0
static int  mma7660_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
	struct mma7660_data *mma7660;
	int err;
	
	Xaverage = Yaverage = Zaverage = RawDataNum = 0;

	mma7660 = kzalloc(sizeof(struct mma7660_data), GFP_KERNEL);
	if (!mma7660) {
		rk28printk("[mma7660]:alloc data failed.\n");
		err = -ENOMEM;
		goto exit_alloc_data_failed;
	}
    
	INIT_WORK(&mma7660->work, mma7660_work_func);
	INIT_DELAYED_WORK(&mma7660->delaywork, mma7660_delaywork_func);

	mma7660->client = client;
	//mma7660->swap_xy = 
	i2c_set_clientdata(client, mma7660);

	this_client = client;

	err = mma7660_init_client(client);
	if (err < 0) {
		rk28printk(KERN_ERR
		       "mma7660_probe: mma7660_init_client failed\n");
		goto exit_request_gpio_irq_failed;
	}
		
	mma7660->input_dev = input_allocate_device();
	if (!mma7660->input_dev) {
		err = -ENOMEM;
		rk28printk(KERN_ERR
		       "mma7660_probe: Failed to allocate input device\n");
		goto exit_input_allocate_device_failed;
	}

	set_bit(EV_ABS, mma7660->input_dev->evbit);

	/* x-axis acceleration */
	input_set_abs_params(mma7660->input_dev, ABS_X, -1500, 1500, 0, 0);
	/* y-axis acceleration */
	input_set_abs_params(mma7660->input_dev, ABS_Y, -1500, 1500, 0, 0);
	/* z-axis acceleration */
	input_set_abs_params(mma7660->input_dev, ABS_Z, -1500, 1500, 0, 0);

	mma7660->input_dev->name = "gsensor";
	mma7660->input_dev->dev.parent = &client->dev;

	err = input_register_device(mma7660->input_dev);
	if (err < 0) {
		rk28printk(KERN_ERR
		       "mma7660_probe: Unable to register input device: %s\n",
		       mma7660->input_dev->name);
		goto exit_input_register_device_failed;
	}

    mma7660_device.parent = &client->dev;
	err = misc_register(&mma7660_device);
	if (err < 0) {
		rk28printk(KERN_ERR
		       "mma7660_probe: mmad_device register failed\n");
		goto exit_misc_device_register_mma7660_device_failed;
	}

	err = gsensor_sysfs_init();
	if (err < 0) {
		rk28printk(KERN_ERR
            "mma7660_probe: gsensor sysfs init failed\n");
		goto exit_gsensor_sysfs_init_failed;
	}
	
#ifdef CONFIG_HAS_EARLYSUSPEND
    mma7660_early_suspend.suspend = mma7660_suspend;
    mma7660_early_suspend.resume = mma7660_resume;
    mma7660_early_suspend.level = 0x2;
    register_early_suspend(&mma7660_early_suspend);
#endif
	rk28printk(KERN_INFO "mma7660 probe ok\n");
	mma7660->status = -1;
#if 1	
	mma7660_start(client, MMA7660_RATE_32);
#endif
	return 0;

exit_gsensor_sysfs_init_failed:
    misc_deregister(&mma7660_device);
exit_misc_device_register_mma7660_device_failed:
    input_unregister_device(mma7660->input_dev);
exit_input_register_device_failed:
	input_free_device(mma7660->input_dev);
exit_input_allocate_device_failed:
    free_irq(client->irq, mma7660);
exit_request_gpio_irq_failed:
	kfree(mma7660);	
exit_alloc_data_failed:
    ;
	return err;
}
Exemple #2
0
static int  mma7660_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
	struct mma7660_data *mma7660;
	int err;
	
	mma7660 = kzalloc(sizeof(struct mma7660_data), GFP_KERNEL);
	if (!mma7660) {
		WPRINTK("[mma7660]:alloc data failed.\n");
		err = -ENOMEM;
		goto exit_alloc_data_failed;
	}
    
	mma7660->mma7660_wq = create_singlethread_workqueue("mma7660_wq");
	if (!mma7660->mma7660_wq )
	{
		err = -ENOMEM;
		goto err_create_workqueue_failed;
	}
	INIT_WORK(&mma7660->work, mma7660_work_func);
//	INIT_DELAYED_WORK(&mma7660->delaywork, mma7660_delaywork_func);

	mma7660->client = client;

	i2c_set_clientdata(client, mma7660);

	this_client = client;

/*
	err = mma7660_init_client(client);
	if (err < 0) {
		WPRINTK(KERN_ERR
		       "mma7660_probe: mma7660_init_client failed\n");
		goto exit_request_gpio_irq_failed;
	}
*/		
	mma7660->input_dev = input_allocate_device();
	if (!mma7660->input_dev) {
		err = -ENOMEM;
		WPRINTK(KERN_ERR
		       "mma7660_probe: Failed to allocate input device\n");
		goto exit_input_allocate_device_failed;
	}

	set_bit(EV_ABS, mma7660->input_dev->evbit);

	/* x-axis acceleration */
	input_set_abs_params(mma7660->input_dev, ABS_X, -MMA7660_RANGE, MMA7660_RANGE, 0, 0);
	/* y-axis acceleration */
	input_set_abs_params(mma7660->input_dev, ABS_Y, -MMA7660_RANGE, MMA7660_RANGE, 0, 0);
	/* z-axis acceleration */
	input_set_abs_params(mma7660->input_dev, ABS_Z, -MMA7660_RANGE, MMA7660_RANGE, 0, 0);

	mma7660->input_dev->name = "gsensor";
	mma7660->input_dev->dev.parent = &client->dev;

	err = input_register_device(mma7660->input_dev);
	if (err < 0) {
		WPRINTK(KERN_ERR
		       "mma7660_probe: Unable to register input device: %s\n",
		       mma7660->input_dev->name);
		goto exit_input_register_device_failed;
	}

	mma7660_device.parent = &client->dev;
	err = misc_register(&mma7660_device);
	if (err < 0) {
		pr_err("mma7660_probe: misc device register failed\n");
		goto exit_misc_device_register_mma7660_device_failed;
	}

	err = gsensor_sysfs_init();
	if (err < 0) {
		pr_err("mma7660_probe: gsensor sysfs init failed\n");
		goto exit_gsensor_sysfs_init_failed;
	}
	
	hrtimer_init(&mma7660->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
	mma7660->timer.function = mma7660_timer_func;
	hrtimer_start(&mma7660->timer, ktime_set(10, 0), HRTIMER_MODE_REL);
	
#ifdef CONFIG_HAS_EARLYSUSPEND
	mma7660->early_suspend.level = 50 + 1;
	mma7660->early_suspend.suspend = mma7660_early_suspend;
	mma7660->early_suspend.resume = mma7660_late_resume;
	register_early_suspend(&mma7660->early_suspend);
#endif

	pr_info("mma7660 probe ok\n");
	mma7660->status = -1;
	
#if 0	
	mma7660_start(client, MMA7660_RATE_32);
#endif

	return 0;

exit_gsensor_sysfs_init_failed:
    misc_deregister(&mma7660_device);
exit_misc_device_register_mma7660_device_failed:
    input_unregister_device(mma7660->input_dev);
exit_input_register_device_failed:
	input_free_device(mma7660->input_dev);
exit_input_allocate_device_failed:
	destroy_workqueue(mma7660->mma7660_wq);	
    //free_irq(client->irq, mma7660);
//exit_request_gpio_irq_failed:
//	kfree(mma7660);	
err_create_workqueue_failed:
	kfree(mma7660);	
exit_alloc_data_failed:
	pr_info("mma7660 probe failed!\n");
	return err;
}
Exemple #3
0
static int  mma8452_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
	struct mma8452_data *mma8452;
	struct mma8452_platform_data *pdata = pdata = client->dev.platform_data;
	int err;
	char devid;

	mmaprintkf("%s enter\n",__FUNCTION__);

	mma8452 = kzalloc(sizeof(struct mma8452_data), GFP_KERNEL);
	if (!mma8452) {
		mmaprintk("[mma8452]:alloc data failed.\n");
		err = -ENOMEM;
		goto exit_alloc_data_failed;
	}
    
	INIT_WORK(&mma8452->work, mma8452_work_func);
	INIT_DELAYED_WORK(&mma8452->delaywork, mma8452_delaywork_func);

	memset(&(mma8452->sense_data), 0, sizeof(struct mma8452_axis) );
	mutex_init(&(mma8452->sense_data_mutex) );

	atomic_set(&(mma8452->data_ready), 0);
	init_waitqueue_head(&(mma8452->data_ready_wq) );

	mma8452->start_count = 0;
	mutex_init(&(mma8452->operation_mutex) );

	mma8452->status = MMA8452_CLOSE;

	mma8452->client = client;
	i2c_set_clientdata(client, mma8452);

	this_client = client;

	devid = mma8452_get_devid(this_client);
	if ((MMA8452_DEVID != devid) && (MMA8451_DEVID != devid)) {
		pr_info("mma8452: invalid devid\n");
		goto exit_invalid_devid;
	}

	err = mma8452_init_client(client);
	if (err < 0) {
		mmaprintk(KERN_ERR
		       "mma8452_probe: mma8452_init_client failed\n");
		goto exit_request_gpio_irq_failed;
	}

	mma8452->input_dev = input_allocate_device();
	if (!mma8452->input_dev) {
		err = -ENOMEM;
		mmaprintk(KERN_ERR
		       "mma8452_probe: Failed to allocate input device\n");
		goto exit_input_allocate_device_failed;
	}

	set_bit(EV_ABS, mma8452->input_dev->evbit);

	/* x-axis acceleration */
	input_set_abs_params(mma8452->input_dev, ABS_X, -2000, 2000, 0, 0); //2g full scale range
	/* y-axis acceleration */
	input_set_abs_params(mma8452->input_dev, ABS_Y, -2000, 2000, 0, 0); //2g full scale range
	/* z-axis acceleration */
	input_set_abs_params(mma8452->input_dev, ABS_Z, -2000, 2000, 0, 0); //2g full scale range

	// mma8452->input_dev->name = "compass";
	mma8452->input_dev->name = "gsensor";
	mma8452->input_dev->dev.parent = &client->dev;

	err = input_register_device(mma8452->input_dev);
	if (err < 0) {
		mmaprintk(KERN_ERR
		       "mma8452_probe: Unable to register input device: %s\n",
		       mma8452->input_dev->name);
		goto exit_input_register_device_failed;
	}

    mma8452_device.parent = &client->dev;
	err = misc_register(&mma8452_device);
	if (err < 0) {
		mmaprintk(KERN_ERR
		       "mma8452_probe: mmad_device register failed\n");
		goto exit_misc_device_register_mma8452_device_failed;
	}

	err = gsensor_sysfs_init();
	if (err < 0) {
		mmaprintk(KERN_ERR
            "mma8452_probe: gsensor sysfs init failed\n");
		goto exit_gsensor_sysfs_init_failed;
	}
	
#ifdef CONFIG_HAS_EARLYSUSPEND
    mma8452_early_suspend.suspend = mma8452_suspend;
    mma8452_early_suspend.resume = mma8452_resume;
    mma8452_early_suspend.level = 0x2;
    register_early_suspend(&mma8452_early_suspend);
#endif

	printk(KERN_INFO "mma8452 probe ok\n");
#if  0	
//	mma8452_start_test(this_client);
	mma8452_start(client, MMA8452_RATE_12P5);
#endif
	return 0;

exit_gsensor_sysfs_init_failed:
    misc_deregister(&mma8452_device);
exit_misc_device_register_mma8452_device_failed:
    input_unregister_device(mma8452->input_dev);
exit_input_register_device_failed:
	input_free_device(mma8452->input_dev);
exit_input_allocate_device_failed:
	free_irq(client->irq, mma8452);
exit_request_gpio_irq_failed:
	cancel_delayed_work_sync(&mma8452->delaywork);
	cancel_work_sync(&mma8452->work);
exit_invalid_devid:
	kfree(mma8452);	
exit_alloc_data_failed:
    ;
	mmaprintk("%s error\n",__FUNCTION__);
	return -1;
}
static int  lis3dh_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
	struct lis3dh_data *lis3dh;
	struct lis3dh_platform_data *pdata = pdata = client->dev.platform_data;
	int liRet = -1;
	char devid;

	stprintkf("%s enter\n",__FUNCTION__);

	lis3dh = kzalloc(sizeof(struct lis3dh_data), GFP_KERNEL);
	if (!lis3dh)
	{
		stprintk("[lis3dh]:alloc data failed.\n");
		liRet = -ENOMEM;
		goto exit_alloc_data_failed;
	}
	else
	{
		//nothig
	}

	INIT_WORK(&lis3dh->work, lis3dh_work_func);
	INIT_DELAYED_WORK(&lis3dh->delaywork, lis3dh_delaywork_func);

    memset(&(lis3dh->sense_data), 0, sizeof(struct lis3dh_axis) );
    mutex_init(&(lis3dh->sense_data_mutex) );
    
	atomic_set(&(lis3dh->data_ready), 0);
    init_waitqueue_head(&(lis3dh->data_ready_wq) );

    lis3dh->start_count = 0;
    mutex_init(&(lis3dh->operation_mutex) );
    
	lis3dh->status = LIS3DH_CLOSE;
	lis3dh->client = client;
	
	i2c_set_clientdata(client, lis3dh);

	this_client = client;

	devid = lis3dh_get_devid(lis3dh);
	if (devid != WHOAMI_LIS3DH_ACC)
	{
		pr_info("lis3dh: invalid devid\n");
		goto exit_invalid_devid;
	}
	else
	{
		//nothing
	}

	liRet = lis3dh_init_device(lis3dh);
	if (devid < 0)
	{
		pr_info("lis3dh: init err\n");
		goto exit_invalid_devid;
	}
	else
	{
		//nothing
	}
 
	liRet = lis3dh_init_client(client);
	if (liRet < 0)
	{
		stprintk(KERN_ERR "lis3dh_probe: lis3dh_init_client failed\n");
		goto exit_request_irq_failed;
	}
	else
	{
		//nothing
	}

	lis3dh->input_dev = input_allocate_device();
	if (!lis3dh->input_dev)
	{
		liRet = -ENOMEM;
		stprintk(KERN_ERR "lis3dh_probe: Failed to allocate input device\n");
		goto exit_input_allocate_device_failed;
	}
	else
	{
		//nothing
	}

	set_bit(EV_ABS, lis3dh->input_dev->evbit);

	/* x-axis acceleration */
	input_set_abs_params(lis3dh->input_dev, ABS_X, -LIS3DH_RANGE, LIS3DH_RANGE, 0, 0); //2g full scale range
	/* y-axis acceleration */
	input_set_abs_params(lis3dh->input_dev, ABS_Y, -LIS3DH_RANGE, LIS3DH_RANGE, 0, 0); //2g full scale range
	/* z-axis acceleration */
	input_set_abs_params(lis3dh->input_dev, ABS_Z, -LIS3DH_RANGE, LIS3DH_RANGE, 0, 0); //2g full scale range

	lis3dh->input_dev->name = "gsensor";
	lis3dh->input_dev->dev.parent = &client->dev;

	liRet = input_register_device(lis3dh->input_dev);
	if (liRet < 0)
	{
		stprintk(KERN_ERR "lis3dh_probe: Unable to register input device: %s\n",lis3dh->input_dev->name);
		goto exit_input_register_device_failed;
	}
	else
	{
		//nothing
	}

    lis3dh_device.parent = &client->dev;
	liRet = misc_register(&lis3dh_device);
	if (liRet < 0) 
	{
		stprintk(KERN_ERR"lis3dh_probe: mmad_device register failed\n");
		goto exit_misc_device_failed;
	}
	else
	{
		//nothing
	}

	liRet = gsensor_sysfs_init();
	if (liRet < 0)
	{
		stprintk(KERN_ERR "lis3dh_probe: gsensor sysfs init failed\n");
		goto exit_gsensor_sysfs_init_failed;
	}
	else
	{
		//nothing
	}
	
#ifdef CONFIG_HAS_EARLYSUSPEND
    lis3dh_early_suspend.suspend	= lis3dh_suspend;
    lis3dh_early_suspend.resume		= lis3dh_resume;
    lis3dh_early_suspend.level		= 0x2;
    register_early_suspend(&lis3dh_early_suspend);
#endif
	printk(KERN_INFO "lis3dh probe ok\n");

	return 0;

exit_gsensor_sysfs_init_failed:
    misc_deregister(&lis3dh_device);
exit_misc_device_failed:
    input_unregister_device(lis3dh->input_dev);
exit_input_register_device_failed:
	input_free_device(lis3dh->input_dev);
exit_input_allocate_device_failed:
	free_irq(client->irq, lis3dh);
exit_request_irq_failed:
	cancel_delayed_work_sync(&lis3dh->delaywork);
	cancel_work_sync(&lis3dh->work);
exit_invalid_devid:
	kfree(lis3dh);	
exit_alloc_data_failed:
	stprintk("%s error\n",__FUNCTION__);
	return -1;
}