Aquaris-M10-4G/drivers/misc/mediatek/hwmon/hwmsen/hwmsen_dev.c

/*
* Copyright(C)2014 MediaTek Inc.
* Modification based on code covered by the below mentioned copyright
* and/or permission notice(S).
*/

#include <linux/interrupt.h>
#include <linux/miscdevice.h>
#include <linux/platform_device.h>
#include <linux/uaccess.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/workqueue.h>
#include <linux/wait.h>
#include <linux/slab.h>
#include <linux/module.h>

#include <hwmsensor.h>
#include <hwmsen_helper.h>
#include <hwmsen_dev.h>
/* add for fix resume issue */

#ifdef CONFIG_PM_WAKELOCKS
#include <linux/pm_wakeup.h>
#else
#include <linux/wakelock.h>
#endif

/* add for fix resume issue end */

#include <cust_alsps.h>
#include <aal_control.h>

#define SENSOR_INVALID_VALUE -1
#define MAX_CHOOSE_G_NUM 5
#define MAX_CHOOSE_M_NUM 5
#if defined(CONFIG_HAS_EARLYSUSPEND)
static void hwmsen_early_suspend(struct early_suspend *h);
static void hwmsen_late_resume(struct early_suspend *h);
#endif
static void update_workqueue_polling_rate(int newDelay);

struct workqueue_struct *sensor_workqueue = NULL;

/******************************************************************************
 * structure / enumeration / macro / definition
 *****************************************************************************/

struct sensor_delay {
	int handle;
	uint32_t delay;
};

struct hwmsen_context {		/*sensor context */
	atomic_t enable;
	atomic_t delay;
	uint32_t delayCountSet;
	uint32_t delayCount;

	struct hwmsen_object obj;
};

#if defined(CONFIG_MTK_AUTO_DETECT_ACCELEROMETER)
static char gsensor_name[25];
static struct sensor_init_info *gsensor_init_list[MAX_CHOOSE_G_NUM] = { 0 };	/*modified*/
#endif
#if defined(CONFIG_MTK_AUTO_DETECT_MAGNETOMETER)
static char msensor_name[25];
static struct sensor_init_info *msensor_init_list[MAX_CHOOSE_G_NUM] = { 0 };	/*modified*/
#endif
#if defined(CONFIG_MTK_AUTO_DETECT_ALSPS)
static char alsps_name[25];
static struct sensor_init_info *alsps_init_list[MAX_CHOOSE_G_NUM] = { 0 };	/*modified*/
#endif

/*----------------------------------------------------------------------------*/
struct dev_context {
	int polling_running;
	struct mutex lock;
	struct hwmsen_context *cxt[MAX_ANDROID_SENSOR_NUM + 1];
};
/*-------------Sensor daa-----------------------------------------------------*/
struct hwmsen_data {
	struct hwm_sensor_data sensors_data[MAX_ANDROID_SENSOR_NUM + 1];
	int data_updata[MAX_ANDROID_SENSOR_NUM + 1];
	struct mutex lock;
};
/*----------------------------------------------------------------------------*/
enum HWM_TRC {
	HWM_TRC_REPORT_NUM = 0x0001,
	HWM_TRC_REPORT_EVT = 0x0002,
	HWM_TRC_REPORT_INF = 0X0004,
};
/*----------------------------------------------------------------------------*/
#define C_MAX_OBJECT_NUM 1
struct hwmdev_object {
	struct input_dev *idev;
	struct miscdevice mdev;
	struct dev_context *dc;
	struct work_struct report;
	atomic_t delay;		/*polling period for reporting input event */
	atomic_t wake;		/*user-space request to wake-up, used with stop */
	struct hrtimer      hrTimer;
	ktime_t             target_ktime;
	atomic_t trace;
	struct workqueue_struct *hwmsen_workqueue;
	uint64_t active_sensor;	/* Active, but hwmsen don't need data sensor. Maybe other need it's data.*/
	uint64_t active_data_sensor;	/* Active and hwmsen need data sensor.*/
#if defined(CONFIG_HAS_EARLYSUSPEND)
	/* add for fix resume issue */
	struct early_suspend early_drv;
#ifdef CONFIG_PM_WAKELOCKS
	struct wakeup_source read_data_wake_lock;
#else
	struct wake_lock read_data_wake_lock;
#endif
	atomic_t early_suspend;
	/* add for fix resume end */
#endif				/*#if defined(CONFIG_HAS_EARLYSUSPEND)*/
};

static bool enable_again;
static struct hwmdev_object *hwm_obj;
/******************************************************************************
 * static variables
 *****************************************************************************/

static struct hwmsen_data obj_data = {
	.lock = __MUTEX_INITIALIZER(obj_data.lock),
};

static struct dev_context dev_cxt = {
	.lock = __MUTEX_INITIALIZER(dev_cxt.lock),
};

/*----------------------------------------------------------------------------*/

static void initTimer(struct hrtimer *timer, enum hrtimer_restart (*callback)(struct hrtimer *))
{
	hrtimer_init(timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
	timer->function = callback;
}

static void startTimer(struct hrtimer *timer, int delay_ms, bool first)
{
	struct hwmdev_object *obj = (struct hwmdev_object *)container_of(timer, struct hwmdev_object, hrTimer);

	if (obj == NULL) {
		HWM_ERR("NULL pointer\n");
		return;
	}

	if (first)
		obj->target_ktime = ktime_add_ns(ktime_get(), (int64_t)delay_ms*1000000);
	else
		obj->target_ktime = ktime_add_ns(obj->target_ktime, (int64_t)delay_ms*1000000);

	hrtimer_start(timer, obj->target_ktime, HRTIMER_MODE_ABS);
}

static void stopTimer(struct hrtimer *timer)
{
	hrtimer_cancel(timer);
}


/* AAL functions********************************************************************** */
int hwmsen_aal_enable(int en)
{
	struct hwmsen_context *cxt = NULL;
	int err = 0;


	if (!hwm_obj) {
		HWM_ERR("AAL hwmdev obj pointer is NULL!\n");
		return -EINVAL;
	} else if ((hwm_obj->dc->cxt[ID_LIGHT]) == NULL) {
		HWM_ERR("the sensor (%d) is not attached!!\n", ID_LIGHT);
		return -ENODEV;
	}

	mutex_lock(&hwm_obj->dc->lock);
	cxt = hwm_obj->dc->cxt[ID_LIGHT];

	if (en == 1) {
		if ((hwm_obj->active_data_sensor & (1LL << ID_LIGHT)) == 0) {
			HWM_LOG("enable sensor(%d) by AAL operation\n", ID_LIGHT);
			if (cxt->obj.
			    sensor_operate(cxt->obj.self, SENSOR_ENABLE, &en, sizeof(int), NULL, 0,
					   NULL) != 0) {
				HWM_ERR("enable sensor(%d) err = %d\n", ID_LIGHT, err);
				err = -EINVAL;
			}
		}
	} else {
		if ((hwm_obj->active_data_sensor & (1LL << ID_LIGHT)) == 0) {
			HWM_LOG("disable sensor(%d) by AAL operation\n", ID_LIGHT);
			if (cxt->obj.
			    sensor_operate(cxt->obj.self, SENSOR_ENABLE, &en, sizeof(int), NULL, 0,
					   NULL) != 0) {
				HWM_ERR("disable sensor(%d) err = %d\n", ID_LIGHT, err);
				err = -EINVAL;
			}
		}
	}
	mutex_unlock(&hwm_obj->dc->lock);

	return err;
}

int hwmsen_aal_get_data(void)
{
	struct hwmsen_context *cxt = NULL;
	int err = 0;
	int out_size;
	struct hwm_sensor_data sensor_data;
	int als_data = 0;

	HWM_LOG("hwmsen_aal_get_data1\n");
	if (!hwm_obj) {
		HWM_ERR("AAL hwmdev obj pointer is NULL!\n");
		return -EINVAL;
	} else if ((hwm_obj->dc->cxt[ID_LIGHT]) == NULL) {
		HWM_ERR("the sensor (%d) is not attached!!\n", ID_LIGHT);
		return -ENODEV;
	}

	mutex_lock(&hwm_obj->dc->lock);
	cxt = hwm_obj->dc->cxt[ID_LIGHT];
	HWM_LOG("hwmsen_aal_get_data2\n");
	err = cxt->obj.sensor_operate(cxt->obj.self, SENSOR_GET_DATA, NULL, 0,
				      &sensor_data, sizeof(struct hwm_sensor_data), &out_size);
	if (err) {
		mutex_unlock(&hwm_obj->dc->lock);
		HWM_ERR("get data from sensor (%d) fails!!\n", ID_LIGHT);
		return -ENODEV;
	}
	als_data = sensor_data.values[0];

	mutex_unlock(&hwm_obj->dc->lock);
	HWM_LOG("hwmsen_aal_get_data3\n");
	return als_data;
}

int hwmsen_aal_get_status(void)
{
	return 0;
}

/* ************************************************************************************ */

/******************************************************************************
 * Local functions
 *****************************************************************************/
static void hwmsen_work_func(struct work_struct *work)
{

	/* HWM_LOG("+++++++++++++++++++++++++hwmsen_work_func workqueue performed!+++++++++++++++++++++++++++++\n"); */
	/* struct hwmdev_object *obj = container_of(work, struct hwmdev_object, report); */
	struct hwmdev_object *obj = hwm_obj;
	struct hwmsen_context *cxt = NULL;
	int out_size;
	struct hwm_sensor_data sensor_data;
	uint64_t event_type = 0;
	int64_t nt;
	struct timespec time;
	int err, idx;
	/* int trc = atomic_read(&obj->trace); */

	if (obj == NULL) {
		HWM_ERR("obj point is NULL!\n");
		return;
	}


	if (atomic_read(&obj->wake)) {
		input_event(obj->idev, EV_SYN, SYN_CONFIG, 0);
		atomic_set(&obj->wake, 0);
		return;
	}

	memset(&sensor_data, 0, sizeof(sensor_data));
	time.tv_sec = time.tv_nsec = 0;
	get_monotonic_boottime(&time);
	nt = time.tv_sec * 1000000000LL + time.tv_nsec;
	/* mutex_lock(&obj_data.lock); */
	for (idx = 0; idx < MAX_ANDROID_SENSOR_NUM; idx++) {
		cxt = obj->dc->cxt[idx];
		if ((cxt == NULL) || (cxt->obj.sensor_operate == NULL)
		    || !(obj->active_data_sensor & (1LL << idx))) {
			continue;
		}
		/* Interrupt sensor */
		if (cxt->obj.polling == 0) {
			if (obj_data.data_updata[idx] == 1) {
				mutex_lock(&obj_data.lock);
				event_type |= (1LL << idx);
				obj_data.data_updata[idx] = 0;
				mutex_unlock(&obj_data.lock);
			}
			/* Evne if interrupt mode, try to take the initiative in querying a valid sensor data. */
			else if (obj_data.sensors_data[idx].values[0] != SENSOR_INVALID_VALUE)
				continue;
		}

		/* added to surpport set delay to specified sensor */
		if (cxt->delayCount > 0) {
			/*HWM_LOG("sensor(%d) delayCount = %d\n",idx,cxt->delayCount);*/
			cxt->delayCount--;
			if (0 == cxt->delayCount) {
				cxt->delayCount = cxt->delayCountSet;
				/*HWM_LOG("sensor(%d) go to get data\n",idx);*/
			} else {
				/*HWM_LOG("sensor(%d) wait for next work\n",idx);*/
				continue;
			}
		}

		err = cxt->obj.sensor_operate(cxt->obj.self, SENSOR_GET_DATA, NULL, 0,
					      &sensor_data, sizeof(struct hwm_sensor_data), &out_size);

		if (err) {
			HWM_ERR("get data from sensor (%d) fails!!\n", idx);
			continue;
		} else {
			if ((idx == ID_LIGHT) || (idx == ID_PRESSURE)
			    || (idx == ID_PROXIMITY) || (idx == ID_TEMPRERATURE)) {
				/* data changed, update the data */
				if (sensor_data.values[0] != obj_data.sensors_data[idx].values[0]) {
					mutex_lock(&obj_data.lock);
					obj_data.sensors_data[idx].values[0] =
					    sensor_data.values[0];
					obj_data.sensors_data[idx].value_divide =
					    sensor_data.value_divide;
					obj_data.sensors_data[idx].status = sensor_data.status;
					obj_data.sensors_data[idx].time = nt;
					event_type |= (1LL << idx);
					mutex_unlock(&obj_data.lock);
					/* HWM_LOG("get %d sensor, values: %d!\n", idx, sensor_data.values[0]); */
				}
			} else {
				/* data changed, update the data */
				if ((sensor_data.values[0] != obj_data.sensors_data[idx].values[0])
				    || (sensor_data.values[1] !=
					obj_data.sensors_data[idx].values[1])
				    || (sensor_data.values[2] !=
					obj_data.sensors_data[idx].values[2])
				    || (idx == ID_MAGNETIC) || (idx == ID_ACCELEROMETER)
				    || (idx == ID_GYROSCOPE) || (idx == ID_ORIENTATION)) {
					if ((0 == sensor_data.values[0]
					     && 0 == sensor_data.values[1]
					     && 0 == sensor_data.values[2])
					    && (idx != ID_GYROSCOPE)) {
						continue;
					}
					mutex_lock(&obj_data.lock);
					obj_data.sensors_data[idx].values[0] =
					    sensor_data.values[0];
					obj_data.sensors_data[idx].values[1] =
					    sensor_data.values[1];
					obj_data.sensors_data[idx].values[2] =
					    sensor_data.values[2];
					obj_data.sensors_data[idx].value_divide =
					    sensor_data.value_divide;
					obj_data.sensors_data[idx].status = sensor_data.status;
					obj_data.sensors_data[idx].time = nt;
					event_type |= (1LL << idx);
					mutex_unlock(&obj_data.lock);
					/*HWM_LOG("get %d sensor, values: %d, %d, %d!\n", idx,*/
					/*sensor_data.values[0], sensor_data.values[1], sensor_data.values[2]);*/
				}
			}
		}
	}

	/*  */
	/* mutex_unlock(&obj_data.lock); */

	if (enable_again == true) {
		event_type = obj->active_data_sensor;
		enable_again = false;
		/* filter -1 value */
		for (idx = 0; idx <= MAX_ANDROID_SENSOR_NUM; idx++) {
			if (ID_ACCELEROMETER == idx || ID_MAGNETIC == idx || ID_ORIENTATION == idx
			    || ID_GYROSCOPE == idx || ID_TEMPRERATURE == idx
			    || ID_LINEAR_ACCELERATION == idx || ID_ROTATION_VECTOR == idx
			    || ID_GRAVITY == idx) {
				if (SENSOR_INVALID_VALUE == obj_data.sensors_data[idx].values[0] ||
				    SENSOR_INVALID_VALUE == obj_data.sensors_data[idx].values[1] ||
				    SENSOR_INVALID_VALUE == obj_data.sensors_data[idx].values[2]) {
					event_type &= ~(1LL << idx);
					/*HWM_LOG("idx=%d,obj->active_sensor after clear: %d\n",idx);*/
				}
			}

			if (ID_PROXIMITY == idx || ID_LIGHT == idx || ID_PRESSURE == idx) {
				if (SENSOR_INVALID_VALUE == obj_data.sensors_data[idx].values[0]) {
					event_type &= ~(1LL << idx);
					/*HWM_LOG("idx=%d,obj->active_sensor after clear: %d\n",idx);*/
				}
			}
		}
		/* HWM_LOG("event type after enable: %d\n", event_type); */
	}

	if ((event_type & (1LL << ID_PROXIMITY))
	    && SENSOR_INVALID_VALUE == obj_data.sensors_data[ID_PROXIMITY].values[0]) {
		event_type &= ~(1LL << ID_PROXIMITY);
		/* HWM_LOG("remove ps event!!!!!!!!!!!\n"); */
	}

	if (event_type != 0) {
		input_report_rel(obj->idev, EVENT_TYPE_SENSOR, event_type);
		input_report_rel(obj->idev, EVENT_TYPE_SENSOR_EXT, event_type >> 32);
		input_sync(obj->idev);	/*modified*/
		/*HWM_LOG("event type: %d\n", event_type);*/
	} else {
		/*HWM_LOG("no available sensor!!\n");*/
	}

	if (obj->dc->polling_running == 1)
		startTimer(&obj->hrTimer, atomic_read(&obj->delay), false);
}

/******************************************************************************
 * export functions
 *****************************************************************************/
int hwmsen_get_interrupt_data(int sensor, struct hwm_sensor_data *data)
{
	/*HWM_LOG("++++++++++++++++++++++++++++hwmsen_get_interrupt_data function sensor = %d\n",sensor);*/
	struct dev_context *mcxt = &dev_cxt;
	struct hwmdev_object *obj = hwm_obj;
	int64_t nt;
	struct timespec time;

	if ((sensor > MAX_ANDROID_SENSOR_NUM) || (mcxt->cxt[sensor] == NULL)
	    || (mcxt->cxt[sensor]->obj.polling != 0)) {
		HWM_ERR("sensor %d!\n", sensor);
		return -EINVAL;
	}

	time.tv_sec = time.tv_nsec = 0;
		get_monotonic_boottime(&time);
	nt = time.tv_sec * 1000000000LL + time.tv_nsec;
	if ((sensor == ID_LIGHT) || (sensor == ID_PRESSURE)
		|| (sensor == ID_PROXIMITY) || (sensor == ID_TEMPRERATURE)) {
		/* data changed, update the data */
		if (data->values[0] != obj_data.sensors_data[sensor].values[0]) {
			mutex_lock(&obj_data.lock);
			obj_data.data_updata[sensor] = 1;
			obj_data.sensors_data[sensor].values[0] = data->values[0];
			obj_data.sensors_data[sensor].time = nt;
			obj_data.sensors_data[sensor].value_divide = data->value_divide;
			mutex_unlock(&obj_data.lock);
		}
	} else {
		/* data changed, update the data */
		if ((data->values[0] != obj_data.sensors_data[sensor].values[0])
		    || (data->values[1] != obj_data.sensors_data[sensor].values[1])
		    || (data->values[2] != obj_data.sensors_data[sensor].values[2])) {
			mutex_lock(&obj_data.lock);
			obj_data.sensors_data[sensor].values[0] = data->values[0];
			obj_data.sensors_data[sensor].values[1] = data->values[1];
			obj_data.sensors_data[sensor].values[2] = data->values[2];
			obj_data.sensors_data[sensor].value_divide = data->value_divide;
			obj_data.data_updata[sensor] = 1;
			obj_data.sensors_data[sensor].time = nt;
			mutex_unlock(&obj_data.lock);
		}
	}

	if (obj->dc->polling_running == 1)
		hwmsen_work_func(NULL);

	return 0;
}

/*----------------------------------------------------------------------------*/
EXPORT_SYMBOL_GPL(hwmsen_get_interrupt_data);

/*----------------------------------------------------------------------------*/
enum hrtimer_restart hwmsen_poll(struct hrtimer *timer)
{
	struct hwmdev_object *obj = (struct hwmdev_object *)container_of(timer, struct hwmdev_object, hrTimer);

	queue_work(obj->hwmsen_workqueue, &obj->report);

	return HRTIMER_NORESTART;
}

/*----------------------------------------------------------------------------*/
static struct hwmdev_object *hwmsen_alloc_object(void)
{

	struct hwmdev_object *obj = kzalloc(sizeof(*obj), GFP_KERNEL);

	HWM_FUN(f);

	if (!obj) {
		HWM_ERR("Alloc hwmsen object error!\n");
		return NULL;
	}

	obj->dc = &dev_cxt;
	obj->active_data_sensor = 0;
	obj->active_sensor = 0;
	atomic_set(&obj->delay, 200);	/*5Hz *//* set work queue delay time 200ms*/
	atomic_set(&obj->wake, 0);
	sensor_workqueue = create_singlethread_workqueue("sensor_polling");
	if (!sensor_workqueue) {
		kfree(obj);
		return NULL;
	}
	INIT_WORK(&obj->report, hwmsen_work_func);
	obj->hwmsen_workqueue = NULL;
	obj->hwmsen_workqueue = create_workqueue("hwmsen_polling");
	if (!obj->hwmsen_workqueue) {
		kfree(obj);
		return NULL;
	}
	initTimer(&obj->hrTimer, hwmsen_poll);
	return obj;
}

/*Sensor device driver attach to hwmsen device------------------------------------------------*/
int hwmsen_attach(int sensor, struct hwmsen_object *obj)
{

	struct dev_context *mcxt = &dev_cxt;
	int err = 0;

	HWM_FUN(f);
	if ((mcxt == NULL) || (sensor > MAX_ANDROID_SENSOR_NUM)) {
		err = -EINVAL;
		goto err_exit;
	}

	mutex_lock(&mcxt->lock);
	if (mcxt->cxt[sensor] != NULL) {
		err = -EEXIST;
		goto err_exit;
	} else {
		mcxt->cxt[sensor] = kzalloc(sizeof(struct hwmsen_context), GFP_KERNEL);
		if (mcxt->cxt[sensor] == NULL) {
			err = -EPERM;
			goto err_exit;
		}
		atomic_set(&mcxt->cxt[sensor]->enable, 0);
		memcpy(&mcxt->cxt[sensor]->obj, obj, sizeof(*obj));

		/* add for android2.3 set  sensors default polling delay time is 200ms*/
		atomic_set(&mcxt->cxt[sensor]->delay, 200);


	}

err_exit:
	mutex_unlock(&mcxt->lock);
	return err;
}

/*----------------------------------------------------------------------------*/
EXPORT_SYMBOL_GPL(hwmsen_attach);
/*----------------------------------------------------------------------------*/
int hwmsen_detach(int sensor)
{

	int err = 0;
	struct dev_context *mcxt = &dev_cxt;

	HWM_FUN(f);
	if ((sensor > MAX_ANDROID_SENSOR_NUM) || (mcxt->cxt[sensor] == NULL)) {
		err = -EINVAL;
		goto err_exit;
	}

	mutex_lock(&mcxt->lock);
	kfree(mcxt->cxt[sensor]);
	mcxt->cxt[sensor] = NULL;

err_exit:
	mutex_unlock(&mcxt->lock);
	return 0;
}

/*----------------------------------------------------------------------------*/
EXPORT_SYMBOL_GPL(hwmsen_detach);
/*----------------------------------------------------------------------------*/
static int hwmsen_enable(struct hwmdev_object *obj, int sensor, int enable)
{
	struct hwmsen_context *cxt = NULL;
	int err = 0;
	uint64_t sensor_type;

	sensor_type = 1LL << sensor;


	if (sensor > MAX_ANDROID_SENSOR_NUM || sensor < 0) {
		HWM_ERR("handle %d!\n", sensor);
		return -EINVAL;
	}

	if (!obj) {
		HWM_ERR("hwmdev obj pointer is NULL!\n");
		return -EINVAL;
	} else if (obj->dc->cxt[sensor] == NULL) {
		HWM_ERR("the sensor (%d) is not attached!!\n", sensor);
		return -ENODEV;
	}

	if (sensor > MAX_ANDROID_SENSOR_NUM) {
		HWM_ERR("sensor %d!\n", sensor);
		return -EINVAL;
	}
	mutex_lock(&obj->dc->lock);
	cxt = obj->dc->cxt[sensor];

	if (enable == 1) {
		/*{@for mt6582 blocking issue work around*/
		if (sensor == 7) {
			HWM_LOG("P-sensor disable LDO low power\n");
			pmic_ldo_suspend_enable(0);
		}
		/*@}*/
		enable_again = true;
		obj->active_data_sensor |= sensor_type;
		if ((obj->active_sensor & sensor_type) == 0) {/* no no-data active*/
			if (cxt->obj.
			    sensor_operate(cxt->obj.self, SENSOR_ENABLE, &enable, sizeof(int), NULL,
					   0, NULL) != 0) {
				if (cxt->obj.
				    sensor_operate(cxt->obj.self, SENSOR_ENABLE, &enable,
						   sizeof(int), NULL, 0, NULL) != 0) {
					if (cxt->obj.
					    sensor_operate(cxt->obj.self, SENSOR_ENABLE, &enable,
							   sizeof(int), NULL, 0, NULL) != 0) {
						HWM_ERR("activate sensor(%d) 3 times err = %d\n",
							sensor, err);
						err = -EINVAL;
						goto exit;
					}
				}

			}
			update_workqueue_polling_rate(200);
			atomic_set(&cxt->enable, 1);
		}
		/* Need to complete the interrupt sensor work */
		if ((0 == obj->dc->polling_running) && (obj->active_data_sensor != 0)) {
			obj->dc->polling_running = 1;
			/* obj->timer.expires = jiffies + atomic_read(&obj->delay)/(1000/HZ); */
			/* add_timer(&obj->timer); */
			startTimer(&obj->hrTimer, atomic_read(&obj->delay), true);

		}

	} else if ((enable == 0)) {
		/*{@for mt6582 blocking issue work around*/
		if (sensor == 7) {
			HWM_LOG("P-sensor enable LDO low power\n");
			pmic_ldo_suspend_enable(1);

		}
		/*@}*/

		obj->active_data_sensor &= ~sensor_type;
		if ((obj->active_sensor & sensor_type) == 0) {/* no no-data active*/
#ifdef CONFIG_CUSTOM_KERNEL_ALSPS
			if (sensor == 4 && aal_use == 1) {
				HWM_ERR("AAL is used ingnore common light disable\n");
				err = 0;
			} else
#endif
			{

				if (cxt->obj.
				    sensor_operate(cxt->obj.self, SENSOR_ENABLE, &enable,
						   sizeof(int), NULL, 0, NULL) != 0) {
					HWM_ERR("deactiva sensor(%d) err = %d\n", sensor, err);
					err = -EINVAL;
					goto exit;
				}
			}

			atomic_set(&cxt->enable, 0);
			update_workqueue_polling_rate(200);	/* re-update workqueue polling rate*/
		}

		if ((1 == obj->dc->polling_running) && (obj->active_data_sensor == 0)) {
			obj->dc->polling_running = 0;
			stopTimer(&obj->hrTimer);
			cancel_work_sync(&obj->report);

		}

		obj_data.sensors_data[sensor].values[0] = SENSOR_INVALID_VALUE;
		obj_data.sensors_data[sensor].values[1] = SENSOR_INVALID_VALUE;
		obj_data.sensors_data[sensor].values[2] = SENSOR_INVALID_VALUE;

	}

	HWM_LOG("sensor(%d), flag(%d)\n", sensor, enable);

exit:

	mutex_unlock(&obj->dc->lock);
	return err;
}

/*-------------no data sensor enable/disable--------------------------------------*/
static int hwmsen_enable_nodata(struct hwmdev_object *obj, int sensor, int enable)
{
	struct hwmsen_context *cxt = NULL;
	int err = 0;
	uint64_t sensor_type;

	HWM_FUN(f);
	sensor_type = 1LL << sensor;

	if (sensor > MAX_ANDROID_SENSOR_NUM || sensor < 0) {
		HWM_ERR("handle %d!\n", sensor);
		return -EINVAL;
	}

	if (NULL == obj) {
		HWM_ERR("hwmdev obj pointer is NULL!\n");
		return -EINVAL;
	} else if (obj->dc->cxt[sensor] == NULL) {
		HWM_ERR("the sensor (%d) is not attached!!\n", sensor);
		return -ENODEV;
	}

	if (sensor > MAX_ANDROID_SENSOR_NUM) {
		HWM_ERR("sensor %d!\n", sensor);
		return -EINVAL;
	}
	mutex_lock(&obj->dc->lock);
	cxt = obj->dc->cxt[sensor];

	if (enable == 1) {
		obj->active_sensor |= sensor_type;

		if ((obj->active_data_sensor & sensor_type) == 0)	{/* no data active*/
			if (cxt->obj.
			    sensor_operate(cxt->obj.self, SENSOR_ENABLE, &enable, sizeof(int), NULL,
					   0, NULL) != 0) {
				HWM_ERR("activate sensor(%d) err = %d\n", sensor, err);
				err = -EINVAL;
				goto exit;
			}

			atomic_set(&cxt->enable, 1);
		}
	} else {
		obj->active_sensor &= ~sensor_type;

		if ((obj->active_data_sensor & sensor_type) == 0)	{/* no data active*/
			if (cxt->obj.
			    sensor_operate(cxt->obj.self, SENSOR_ENABLE, &enable, sizeof(int), NULL,
					   0, NULL) != 0) {
				HWM_ERR("Deactivate sensor(%d) err = %d\n", sensor, err);
				err = -EINVAL;
				goto exit;
			}

			atomic_set(&cxt->enable, 0);
		}

	}

exit:

	mutex_unlock(&obj->dc->lock);
	return err;
}

/*------------set delay--------------------------------------------------------*/
static int hwmsen_set_delay(int delay, int handle)
{
	int err = 0;
	struct hwmsen_context *cxt = NULL;

	if (handle > MAX_ANDROID_SENSOR_NUM || handle < 0) {
		HWM_ERR("handle %d!\n", handle);
		return -EINVAL;
	}

	if (handle > MAX_ANDROID_SENSOR_NUM) {
		HWM_ERR("handle %d!\n", handle);
		return -EINVAL;
	}
	cxt = hwm_obj->dc->cxt[handle];
	if (NULL == cxt || (cxt->obj.sensor_operate == NULL)) {
		HWM_ERR("have no this sensor %d or operator point is null!\r\n", handle);
	} else {/*if(atomic_read(&cxt->enable) != 0)*/ /*always update delay even sensor is not enabled.*/
		if (cxt->obj.
		    sensor_operate(cxt->obj.self, SENSOR_DELAY, &delay, sizeof(int), NULL, 0,
				   NULL) != 0) {
			HWM_ERR("%d sensor's sensor_operate function error %d!\r\n", handle, err);
			return err;
		}
		/* record sensor delay */
		atomic_set(&cxt->delay, delay);
	}
	return err;
}

/*----------------------------------------------------------------------------*/
static int hwmsen_wakeup(struct hwmdev_object *obj)
{
	HWM_LOG("hwmsen_wakeup\n");
	if (obj == NULL) {
		HWM_ERR("null pointer!!\n");
		return -EINVAL;
	}

	input_event(obj->idev, EV_SYN, SYN_CONFIG, 0);

	return 0;
}

/*----------------------------------------------------------------------------*/
static ssize_t hwmsen_show_hwmdev(struct device *dev, struct device_attribute *attr, char *buf)
{
	int len = 0;

	HWM_LOG("sensor test: hwmsen_show_hwmdev function!\n");
/*
    if (!devobj || !devobj->dc) {
	HWM_ERR("null pointer: %p, %p", devobj, (!devobj) ? (NULL) : (devobj->dc));
	return 0;
    }
    for (idx = 0; idx < C_MAX_HWMSEN_NUM; idx++)
	len += snprintf(buf+len, PAGE_SIZE-len, "    %d", idx);
    len += snprintf(buf+len, PAGE_SIZE-len, "\n");
    for (idx = 0; idx < C_MAX_HWMSEN_NUM; idx++)
	len += snprintf(buf+len, PAGE_SIZE-len, "    %d", atomic_read(&devobj->dc->cxt[idx].enable));
    len += snprintf(buf+len, PAGE_SIZE-len, "\n");
    */
	return len;
}

/*----------------------------------------------------------------------------*/
static ssize_t hwmsen_store_active(struct device *dev, struct device_attribute *attr,
				   const char *buf, size_t count)
{
/*
	printk("sensor test: hwmsen_store_active function!\n");
    struct hwmdev_object *devobj = (struct hwmdev_object*)dev_get_drvdata(dev);
    int sensor, enable, err, idx;

    if (!devobj || !devobj->dc) {
	HWM_ERR("null pointer!!\n");
	return count;
    }

    if (!strncmp(buf, "all-start", 9)) {
	for (idx = 0; idx < C_MAX_HWMSEN_NUM; idx++)
	    hwmsen_enable(devobj, idx, 1);
    } else if (!strncmp(buf, "all-stop", 8)) {
	for (idx = 0; idx < C_MAX_HWMSEN_NUM; idx++)
	    hwmsen_enable(devobj, idx, 0);
    } else if (2 == sscanf(buf, "%d %d", &sensor, &enable)) {
	if ((err = hwmsen_enable(devobj, sensor, enable)))
	    HWM_ERR("sensor enable failed: %d\n", err);
    }
*/
	return count;
}

/*----------------------------------------------------------------------------*/
static ssize_t hwmsen_show_delay(struct device *dev, struct device_attribute *attr, char *buf)
{
/*
    struct hwmdev_object *devobj = (struct hwmdev_object*)dev_get_drvdata(dev);
printk("sensor test: hwmsen_show_delay function!\n");
    if (!devobj || !devobj->dc) {
	HWM_ERR("null pointer!!\n");
	return 0;
    }

    return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&devobj->delay));
*/

	return 0;

}

/*----------------------------------------------------------------------------*/
static ssize_t hwmsen_store_delay(struct device *dev, struct device_attribute *attr,
				  const char *buf, size_t count)
{
/*
    struct hwmdev_object *devobj = (struct hwmdev_object*)dev_get_drvdata(dev);
    int delay;
printk("sensor test: hwmsen_show_delay function!\n");
    if (!devobj || !devobj->dc) {
	HWM_ERR("null pointer!!\n");
	return count;
    }

    if (1 != sscanf(buf, "%d", &delay)) {
	HWM_ERR("invalid format!!\n");
	return count;
    }

    atomic_set(&devobj->delay, delay);
   */
	return count;
}

/*----------------------------------------------------------------------------*/
static ssize_t hwmsen_show_wake(struct device *dev, struct device_attribute *attr, char *buf)
{
/*
	printk("sensor test: hwmsen_show_wake function!\n");
    struct hwmdev_object *devobj = (struct hwmdev_object*)dev_get_drvdata(dev);

    if (!devobj || !devobj->dc) {
	HWM_ERR("null pointer!!\n");
	return 0;
    }
    return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&devobj->wake));
    */
	return 0;
}

/*----------------------------------------------------------------------------*/
static ssize_t hwmsen_store_wake(struct device *dev, struct device_attribute *attr,
				 const char *buf, size_t count)
{
/*
    struct hwmdev_object *devobj = (struct hwmdev_object*)dev_get_drvdata(dev);
    int wake, err;
printk("sensor test: hwmsen_store_wake function!\n");
    if (!devobj || !devobj->dc) {
	HWM_ERR("null pointer!!\n");
	return count;
    }

    if (1 != sscanf(buf, "%d", &wake)) {
	HWM_ERR("invalid format!!\n");
	return count;
    }

    if ((err = hwmsen_wakeup(devobj))) {
	HWM_ERR("wakeup sensor fail, %d\n", err);
	return count;
    }
   */
	return count;
}

/*----------------------------------------------------------------------------*/
static ssize_t hwmsen_show_trace(struct device *dev, struct device_attribute *attr, char *buf)
{

	struct i2c_client *client = to_i2c_client(dev);
	struct hwmdev_object *obj = i2c_get_clientdata(client);

	HWM_FUN(f);

	return snprintf(buf, PAGE_SIZE, "0x%08X\n", atomic_read(&obj->trace));
}

/*----------------------------------------------------------------------------*/
static ssize_t hwmsen_store_trace(struct device *dev,
				  struct device_attribute *attr, const char *buf, size_t count)
{
	struct i2c_client *client = to_i2c_client(dev);
	struct hwmdev_object *obj = i2c_get_clientdata(client);
	int trc;

	HWM_FUN(f);

	if (1 == sscanf(buf, "0x%x\n", &trc))
		atomic_set(&obj->trace, trc);
	else
		HWM_ERR("set trace level fail!!\n");

	return count;
}

/*----------------------------------------------------------------------------*/
static ssize_t hwmsen_show_sensordevnum(struct device *dev,
					struct device_attribute *attr, char *buf)
{
	const char *devname = NULL;

	devname = dev_name(&hwm_obj->idev->dev);

	return snprintf(buf, PAGE_SIZE, "%s\n", devname + 5);
}

DEVICE_ATTR(hwmdev, S_IRUGO, hwmsen_show_hwmdev, NULL);
DEVICE_ATTR(active, S_IWUSR | S_IRUGO, hwmsen_show_hwmdev, hwmsen_store_active);
DEVICE_ATTR(delay, S_IWUSR | S_IRUGO, hwmsen_show_delay, hwmsen_store_delay);
DEVICE_ATTR(wake, S_IWUSR | S_IRUGO, hwmsen_show_wake, hwmsen_store_wake);
DEVICE_ATTR(trace, S_IWUSR | S_IRUGO, hwmsen_show_trace, hwmsen_store_trace);
DEVICE_ATTR(hwmsensordevnum, S_IRUGO, hwmsen_show_sensordevnum, NULL);
/*----------------------------------------------------------------------------*/
static struct device_attribute *hwmsen_attr_list[] = {
	&dev_attr_hwmdev,
	&dev_attr_active,
	&dev_attr_delay,
	&dev_attr_wake,
	&dev_attr_trace,
	&dev_attr_hwmsensordevnum,
};


/*----------------------------------------------------------------------------*/
static int hwmsen_create_attr(struct device *dev)
{
	int idx, err = 0;
	int num = (int)(sizeof(hwmsen_attr_list) / sizeof(hwmsen_attr_list[0]));

	HWM_FUN();
	if (!dev)
		return -EINVAL;

	for (idx = 0; idx < num; idx++) {
		err = device_create_file(dev, hwmsen_attr_list[idx]);
		if (err) {
			HWM_ERR("device_create_file (%s) = %d\n", hwmsen_attr_list[idx]->attr.name,
				err);
			break;
		}
	}

	return err;
}

/*----------------------------------------------------------------------------*/
static int hwmsen_delete_attr(struct device *dev)
{

	int idx, err = 0;
	int num = (int)(sizeof(hwmsen_attr_list) / sizeof(hwmsen_attr_list[0]));

	HWM_FUN(f);
	if (!dev)
		return -EINVAL;

	for (idx = 0; idx < num; idx++)
		device_remove_file(dev, hwmsen_attr_list[idx]);

	return err;
}

/*----------------------------------------------------------------*/
static int init_static_data(void)
{
	int i = 0;
/*      memset(&obj_data, 0, sizeof(struct hwmsen_data));*/
/*      obj_data.lock = __MUTEX_INITIALIZER(obj_data.lock);     */
	for (i = 0; i < MAX_ANDROID_SENSOR_NUM; i++) {
		/*dev_cxt.cxt[i] = NULL;                */
		memset(&obj_data.sensors_data[i], SENSOR_INVALID_VALUE, sizeof(struct hwm_sensor_data));
		obj_data.sensors_data[i].sensor = i;

	}
	return 0;
}

/*----------------------------------------------------------------*/
static int hwmsen_open(struct inode *node, struct file *fp)
{
	HWM_FUN(f);
	/*struct file_private* data = kzalloc(sizeof(struct file_private), GFP_KERNEL);*/
/*      fp->private_data = data;*/
	fp->private_data = NULL;
	return nonseekable_open(node, fp);
}

/*----------------------------------------------------------------------------*/
static int hwmsen_release(struct inode *node, struct file *fp)
{
	HWM_FUN(f);
	kfree(fp->private_data);
	fp->private_data = NULL;
	return 0;
}

/*----------------------------------------------------------------------------*/
static void update_workqueue_polling_rate(int newDelay)
{
	atomic_t delaytemp;
	int i = 0;
	int idx = 0;
	struct hwmsen_context *cxt = NULL;
	struct hwmdev_object *obj = hwm_obj;

	HWM_FUN(f);
	atomic_set(&delaytemp, 200);	/*used to finding fastest sensor polling rate*/

	for (i = 0; i < MAX_ANDROID_SENSOR_NUM; i++) {
		if (hwm_obj->active_data_sensor & 1LL << i) {
			if (atomic_read(&delaytemp) > atomic_read(&(hwm_obj->dc->cxt[i]->delay)))
				/* work queue polling delay base time*/
				atomic_set(&delaytemp, atomic_read(&(hwm_obj->dc->cxt[i]->delay)));
		}
	}
	/*use the fastest sensor polling delay as work queue polling delay base time*/
	if (atomic_read(&delaytemp) > newDelay) {
		atomic_set(&hwm_obj->delay, newDelay);	/* work queue polling delay base time*/
		HWM_LOG("set new workqueue base time=%d\n", atomic_read(&hwm_obj->delay));
	} else {
		atomic_set(&hwm_obj->delay, atomic_read(&delaytemp));
		HWM_LOG("set old fastest sensor delay as workqueue base time=%d\n",
			atomic_read(&hwm_obj->delay));
	}

	/*upadate all sensors delayCountSet*/
	for (idx = 0; idx < MAX_ANDROID_SENSOR_NUM; idx++) {
		cxt = obj->dc->cxt[idx];
		if ((cxt == NULL) || (cxt->obj.sensor_operate == NULL)
		    || !(obj->active_data_sensor & (1LL << idx))) {
			continue;
		}

		if (0 == atomic_read(&cxt->delay)) {
			cxt->delayCount = cxt->delayCountSet = 0;
			HWM_LOG("%s,set delayCountSet=0 delay =%d handle=%d\r\n", __func__,
				atomic_read(&cxt->delay), idx);
		}
		if (atomic_read(&cxt->delay) <= atomic_read(&hwm_obj->delay)) {
			cxt->delayCount = cxt->delayCountSet = 0;
			HWM_LOG("%s,set delayCountSet=0 delay =%d handle=%d\r\n", __func__,
				atomic_read(&cxt->delay), idx);
		} else {
			i = atomic_read(&cxt->delay) / atomic_read(&hwm_obj->delay);
			cxt->delayCount = cxt->delayCountSet = i;
			HWM_LOG("%s:set delayCountSet=%d delay =%d handle=%d\r\n", __func__, i,
				atomic_read(&cxt->delay), idx);
#if 0
			switch (i) {
			case 3:
				/* 200/60 ;60/20 */
				cxt->delayCount = cxt->delayCountSet = 3;
				HWM_LOG("%s:set delayCountSet=3 delay =%d handle=%d\r\n", __func__,
					atomic_read(&cxt->delay), idx);
				break;
			case 10:
				/* 200/20 */
				cxt->delayCount = cxt->delayCountSet = 10;
				HWM_LOG("%s:set delayCountSet=10 delay =%d handle=%d\r\n", __func__,
					atomic_read(&cxt->delay), idx);
				break;
			}
#endif
		}
	}
}

/* static int hwmsen_ioctl(struct inode *node, struct file *fp, */
/* unsigned int cmd, unsigned long arg) */
static long hwmsen_unlocked_ioctl(struct file *fp, unsigned int cmd, unsigned long arg)
{
	/*HWM_LOG("IO parament %d!\r\n", cmd); */
	void __user *argp = (void __user *)arg;
	uint32_t flag;
	struct sensor_delay delayPara;
	struct hwm_trans_data hwm_sensors_data;
	int i = 0;
	int idx = 0;
	atomic_t delaytemp;

	atomic_set(&delaytemp, 200);	/*used to finding fastest sensor polling rate*/
	/*int delaytemp=200;*/ /*used to finding fastest sensor polling rate*/

	if (!hwm_obj) {
		HWM_ERR("null pointer!!\n");
		return -EINVAL;
	}

	switch (cmd) {
	case HWM_IO_SET_DELAY:
		/* android2.3 sensor system has 4 sample delay 0ms 20ms 60ms 200ms */
		if (copy_from_user(&delayPara, argp, sizeof(delayPara))) {
			HWM_ERR("copy_from_user fail!!\n");
			return -EFAULT;
		}
		HWM_LOG("ioctl delay handle=%d,delay =%d\n", delayPara.handle, delayPara.delay);
		hwmsen_set_delay(delayPara.delay, delayPara.handle);	/*modified for android2.3*/
		update_workqueue_polling_rate(delayPara.delay);

		break;

	case HWM_IO_SET_WAKE:
		hwmsen_wakeup(hwm_obj);
		break;

	case HWM_IO_ENABLE_SENSOR:
		if (copy_from_user(&flag, argp, sizeof(flag))) {
			HWM_ERR("copy_from_user fail!!\n");
			return -EFAULT;
		}
		hwmsen_enable(hwm_obj, flag, 1);
		break;

	case HWM_IO_DISABLE_SENSOR:
		if (copy_from_user(&flag, argp, sizeof(flag))) {
			HWM_ERR("copy_from_user fail!!\n");
			return -EFAULT;
		}
		hwmsen_enable(hwm_obj, flag, 0);
		break;

	case HWM_IO_GET_SENSORS_DATA:
		if (copy_from_user(&hwm_sensors_data, argp, sizeof(hwm_sensors_data))) {
			HWM_ERR("copy_from_user fail!!\n");
			return -EFAULT;
		}

		mutex_lock(&obj_data.lock);
		/*memcpy(hwm_sensors_data.data, &(obj_data.sensors_data),
			sizeof(struct hwm_sensor_data) * MAX_ANDROID_SENSOR_NUM);*/
		for (i = 0, idx = 0;
		     i < MAX_ANDROID_SENSOR_NUM && idx < MAX_SENSOR_DATA_UPDATE_ONCE; i++) {
			if (hwm_sensors_data.data_type & (1LL << i)) {
				memcpy(&hwm_sensors_data.data[idx], &(obj_data.sensors_data[i]),
				       sizeof(struct hwm_sensor_data));
				hwm_sensors_data.data[idx].update = 1;
				idx++;
			}
		}
		if (idx < MAX_SENSOR_DATA_UPDATE_ONCE)
			hwm_sensors_data.data[idx].update = 0;
		mutex_unlock(&obj_data.lock);
		if (copy_to_user(argp, &hwm_sensors_data, sizeof(hwm_sensors_data))) {
			HWM_ERR("copy_to_user fail!!\n");
			return -EFAULT;
		}
		break;

	case HWM_IO_ENABLE_SENSOR_NODATA:
		if (copy_from_user(&flag, argp, sizeof(flag))) {
			HWM_ERR("copy_from_user fail!!\n");
			return -EFAULT;
		}
		hwmsen_enable_nodata(hwm_obj, flag, 1);
		break;

	case HWM_IO_DISABLE_SENSOR_NODATA:
		if (copy_from_user(&flag, argp, sizeof(flag))) {
			HWM_ERR("copy_from_user fail!!\n");
			return -EFAULT;
		}
		hwmsen_enable_nodata(hwm_obj, flag, 0);
		break;

	default:
		HWM_ERR("have no this paramenter %d!!\n", cmd);
		return -ENOIOCTLCMD;
	}

	return 0;
}

/*----------------------------------------------------------------------------*/
static const struct file_operations hwmsen_fops = {
/*      .owner  = THIS_MODULE,*/
	.open = hwmsen_open,
	.release = hwmsen_release,
/*      .ioctl  = hwmsen_ioctl,*/
	.unlocked_ioctl = hwmsen_unlocked_ioctl,
};

/*----------------------------------------------------------------------------*/
static int hwmsen_probe(void)
{

	int err;
	/* HWM_LOG("+++++++++++++++++hwmsen_probe!!\n"); */

	HWM_FUN(f);
	init_static_data();
	hwm_obj = hwmsen_alloc_object();
	if (!hwm_obj) {
		err = -ENOMEM;
		HWM_ERR("unable to allocate devobj!\n");
		goto exit_alloc_data_failed;
	}

	hwm_obj->idev = input_allocate_device();
	if (!hwm_obj->idev) {
		err = -ENOMEM;
		HWM_ERR("unable to allocate input device!\n");
		goto exit_alloc_input_dev_failed;
	}

	set_bit(EV_REL, hwm_obj->idev->evbit);
	set_bit(EV_SYN, hwm_obj->idev->evbit);

	input_set_capability(hwm_obj->idev, EV_REL, EVENT_TYPE_SENSOR);
	input_set_capability(hwm_obj->idev, EV_REL, EVENT_TYPE_SENSOR_EXT);
	hwm_obj->idev->name = HWM_INPUTDEV_NAME;
	err = input_register_device(hwm_obj->idev);
	if (err) {
		HWM_ERR("unable to register input device!\n");
		goto exit_input_register_device_failed;
	}
	input_set_drvdata(hwm_obj->idev, hwm_obj);

	hwm_obj->mdev.minor = MISC_DYNAMIC_MINOR;
	hwm_obj->mdev.name = HWM_SENSOR_DEV_NAME;
	hwm_obj->mdev.fops = &hwmsen_fops;
	err = misc_register(&hwm_obj->mdev);
	if (err) {
		HWM_ERR("unable to register sensor device!!\n");
		goto exit_misc_register_failed;
	}
	dev_set_drvdata(hwm_obj->mdev.this_device, hwm_obj);

	if (hwmsen_create_attr(hwm_obj->mdev.this_device) != 0) {
		HWM_ERR("unable to create attributes!!\n");
		goto exit_hwmsen_create_attr_failed;
	}
#if defined(CONFIG_HAS_EARLYSUSPEND) && defined(CONFIG_EARLYSUSPEND)
	/* add for fix resume bug */
	atomic_set(&(hwm_obj->early_suspend), 0);
	hwm_obj->early_drv.level = EARLY_SUSPEND_LEVEL_STOP_DRAWING - 1,
	    hwm_obj->early_drv.suspend = hwmsen_early_suspend,
	    hwm_obj->early_drv.resume = hwmsen_late_resume,
	    register_early_suspend(&hwm_obj->early_drv);
#ifdef CONFIG_PM_WAKELOCKS
	wakeup_source_init(&(hwm_obj->read_data_wake_lock), "read_data_wake_lock");
#else
	wake_lock_init(&(hwm_obj->read_data_wake_lock), WAKE_LOCK_SUSPEND, "read_data_wake_lock");
#endif
	/* add for fix resume bug end*/
#endif				/*#if defined(CONFIG_HAS_EARLYSUSPEND)*/
	return 0;

exit_hwmsen_create_attr_failed:
exit_misc_register_failed:
/*      exit_get_hwmsen_info_failed:*/
exit_input_register_device_failed:
	input_free_device(hwm_obj->idev);

exit_alloc_input_dev_failed:
	kfree(hwm_obj);

exit_alloc_data_failed:
	return err;
}

/*----------------------------------------------------------------------------*/
static int hwmsen_remove(void)
{
	HWM_FUN(f);

	input_unregister_device(hwm_obj->idev);
	hwmsen_delete_attr(hwm_obj->mdev.this_device);
	misc_deregister(&hwm_obj->mdev);
	kfree(hwm_obj);

	return 0;
}

#if defined(CONFIG_HAS_EARLYSUSPEND)
static void hwmsen_early_suspend(struct early_suspend *h)
{
	/*HWM_FUN(f);*/
	atomic_set(&(hwm_obj->early_suspend), 1);
	HWM_LOG(" hwmsen_early_suspend ok------->hwm_obj->early_suspend=%d.\n",
		atomic_read(&hwm_obj->early_suspend));
}

/*----------------------------------------------------------------------------*/
static void hwmsen_late_resume(struct early_suspend *h)
{
	/*HWM_FUN(f);*/
	atomic_set(&(hwm_obj->early_suspend), 0);
	HWM_LOG(" hwmsen_late_resume ok------->hwm_obj->early_suspend=%d.\n",
		atomic_read(&hwm_obj->early_suspend));
}
#endif				/*#if defined(CONFIG_HAS_EARLYSUSPEND)*/
/*----------------------------------------------------------------------------*/
#if defined(CONFIG_MTK_AUTO_DETECT_MAGNETOMETER)

int hwmsen_msensor_remove(struct platform_device *pdev)
{
	int err = 0;
	int i = 0;

	for (i = 0; i < MAX_CHOOSE_G_NUM; i++) {
		if (0 == strcmp(msensor_name, msensor_init_list[i]->name)) {
			if (NULL == msensor_init_list[i]->uninit) {
				HWM_LOG(" hwmsen_msensor_remove null pointer.\n");
				return -1;
			}
			msensor_init_list[i]->uninit();
		}
	}
	return 0;
}

static int msensor_probe(struct platform_device *pdev)
{
	int i = 0;
	int err = 0;

	HWM_LOG(" msensor_probe +\n");
	for (i = 0; i < MAX_CHOOSE_G_NUM; i++) {
		if (NULL != msensor_init_list[i]) {
			err = msensor_init_list[i]->init();
			if (0 == err) {
				strcpy(msensor_name, msensor_init_list[i]->name);
				HWM_LOG(" msensor %s probe ok\n", msensor_name);
				break;
			}
		}
	}
	return 0;
}


static struct platform_driver msensor_driver = {
	.probe = msensor_probe,
	.remove = hwmsen_msensor_remove,
	.driver = {
		   .name = "msensor",
/*              .owner = THIS_MODULE,*/
		   }
};

int hwmsen_msensor_add(struct sensor_init_info *obj)
{
	int err = 0;
	int i = 0;

	HWM_FUN(f);

	for (i = 0; i < MAX_CHOOSE_G_NUM; i++) {
		if (NULL == msensor_init_list[i]) {
			msensor_init_list[i] = kzalloc(sizeof(struct sensor_init_info), GFP_KERNEL);
			if (NULL == msensor_init_list[i]) {
				HWM_ERR("kzalloc error");
				return -1;
			}
			obj->platform_diver_addr = &msensor_driver;
			msensor_init_list[i] = obj;

			break;
		}
	}

	return err;
}
EXPORT_SYMBOL_GPL(hwmsen_msensor_add);

#endif



#if defined(CONFIG_MTK_AUTO_DETECT_ACCELEROMETER)

int hwmsen_gsensor_remove(struct platform_device *pdev)
{
	int i = 0;

	for (i = 0; i < MAX_CHOOSE_G_NUM; i++) {
		if (0 == strcmp(gsensor_name, gsensor_init_list[i]->name)) {
			if (NULL == gsensor_init_list[i]->uninit) {
				HWM_LOG(" hwmsen_gsensor_remove null pointer +\n");
				return -1;
			}
			gsensor_init_list[i]->uninit();
		}
	}
	return 0;
}

static int gsensor_probe(struct platform_device *pdev)
{
	int i = 0;
	int err = 0;

	HWM_LOG(" gsensor_probe +\n");

	/*  */
/*
     for(i = 0; i < MAX_CHOOSE_G_NUM; i++)
     {
       HWM_LOG(" gsensor_init_list[i]=%d\n",gsensor_init_list[i]);
     }
*/
	/*  */
	for (i = 0; i < MAX_CHOOSE_G_NUM; i++) {
		HWM_LOG(" i=%d\n", i);
		if (0 != gsensor_init_list[i]) {
			HWM_LOG(" !!!!!!!!\n");
			err = gsensor_init_list[i]->init();
			if (0 == err) {
				strcpy(gsensor_name, gsensor_init_list[i]->name);
				HWM_LOG(" gsensor %s probe ok\n", gsensor_name);
				break;
			}
		}
	}

	if (i == MAX_CHOOSE_G_NUM)
		HWM_LOG(" gsensor probe fail\n");

	return 0;
}


static struct platform_driver gsensor_driver = {
	.probe = gsensor_probe,
	.remove = hwmsen_gsensor_remove,
	.driver = {
		   .name = "gsensor",
/*              .owner = THIS_MODULE,*/
		   }
};

int hwmsen_gsensor_add(struct sensor_init_info *obj)
{
	int err = 0;
	int i = 0;

	HWM_FUN(f);

	for (i = 0; i < MAX_CHOOSE_G_NUM; i++) {
		if (NULL == gsensor_init_list[i]) {
			gsensor_init_list[i] = kzalloc(sizeof(struct sensor_init_info), GFP_KERNEL);
			if (NULL == gsensor_init_list[i]) {
				HWM_ERR("kzalloc error");
				return -1;
			}
			obj->platform_diver_addr = &gsensor_driver;
			gsensor_init_list[i] = obj;

			break;
		}
	}

	return err;
}
EXPORT_SYMBOL_GPL(hwmsen_gsensor_add);

#endif

#if defined(CONFIG_MTK_AUTO_DETECT_ALSPS)

int hwmsen_alsps_sensor_remove(struct platform_device *pdev)
{
	int err = 0;
	int i = 0;

	for (i = 0; i < MAX_CHOOSE_G_NUM; i++) {
		if (0 == strcmp(alsps_name, alsps_init_list[i]->name)) {
			if (NULL == alsps_init_list[i]->uninit) {
				HWM_LOG(" hwmsen_alsps_sensor_remove null pointer.\n");
				return -1;
			}
			alsps_init_list[i]->uninit();
		}
	}
	return 0;
}

static int alsps_sensor_probe(struct platform_device *pdev)
{
	int i = 0;
	int err = 0;

	HWM_LOG(" als_ps sensor_probe +\n");
	for (i = 0; i < MAX_CHOOSE_G_NUM; i++) {
		if (NULL != alsps_init_list[i]) {
			err = alsps_init_list[i]->init();
			if (0 == err) {
				strcpy(alsps_name, alsps_init_list[i]->name);
				HWM_LOG(" alsps sensor %s probe ok\n", alsps_name);
				break;
			}
		}
	}
	return 0;
}


static struct platform_driver alsps_sensor_driver = {
	.probe = alsps_sensor_probe,
	.remove = hwmsen_alsps_sensor_remove,
	.driver = {
		   .name = "als_ps",
		   }
};

int hwmsen_alsps_sensor_add(struct sensor_init_info *obj)
{
	int err = 0;
	int i = 0;

	HWM_FUN(f);

	for (i = 0; i < MAX_CHOOSE_G_NUM; i++) {
		if (NULL == alsps_init_list[i]) {
			alsps_init_list[i] = kzalloc(sizeof(struct sensor_init_info), GFP_KERNEL);
			if (NULL == alsps_init_list[i]) {
				HWM_ERR("kzalloc error");
				return -1;
			}
			obj->platform_diver_addr = &alsps_sensor_driver;
			alsps_init_list[i] = obj;

			break;
		}
	}

	return err;
}
EXPORT_SYMBOL_GPL(hwmsen_alsps_sensor_add);

#endif

/*----------------------------------------------------------------------------*/
static int __init hwmsen_init(void)
{
	HWM_FUN(f);
	if (0 != hwmsen_probe()) {
		HWM_ERR("failed to register sensor driver");
		return -ENODEV;
	}

#if defined(CONFIG_MTK_AUTO_DETECT_ACCELEROMETER)
	if (platform_driver_register(&gsensor_driver)) {
		HWM_ERR("failed to register gensor driver");
		return -ENODEV;
	}
#endif

#if defined(CONFIG_MTK_AUTO_DETECT_MAGNETOMETER)
	if (platform_driver_register(&msensor_driver)) {
		HWM_ERR("failed to register mensor driver");
		return -ENODEV;
	}
#endif

#if defined(CONFIG_MTK_AUTO_DETECT_ALSPS)
	if (platform_driver_register(&alsps_sensor_driver)) {
		HWM_ERR("failed to register alsps_sensor_driver driver");
		return -ENODEV;
	}
#endif


	return 0;
}

/*----------------------------------------------------------------------------*/
static void __exit hwmsen_exit(void)
{
	hwmsen_remove();
}
/*----------------------------------------------------------------------------*/
late_initcall(hwmsen_init);


MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("sensor device driver");
MODULE_AUTHOR("MTK");