--- /dev/null
+
+#include "accel.h"
+
+static struct acc_context *acc_context_obj = NULL;
+
+
+static struct acc_init_info* gsensor_init_list[MAX_CHOOSE_G_NUM]= {0}; //modified
+static void acc_early_suspend(struct early_suspend *h);
+static void acc_late_resume(struct early_suspend *h);
+
+static void acc_work_func(struct work_struct *work)
+{
+
+ struct acc_context *cxt = NULL;
+ int out_size;
+ //hwm_sensor_data sensor_data;
+ int x,y,z,status,div;
+ int64_t nt;
+ struct timespec time;
+ int err, idx;
+
+ cxt = acc_context_obj;
+
+ if(NULL == cxt->acc_data.get_data)
+ {
+ ACC_LOG("acc driver not register data path\n");
+ }
+
+
+ time.tv_sec = time.tv_nsec = 0;
+ time = get_monotonic_coarse();
+ nt = time.tv_sec*1000000000LL+time.tv_nsec;
+
+ err = cxt->acc_data.get_data(&x,&y,&z,&status);
+
+ if(err)
+ {
+ ACC_ERR("get acc data fails!!\n" );
+ goto acc_loop;
+ }
+ else
+ {
+ {
+ if( 0 == x && 0==y
+ && 0 == z)
+ {
+ goto acc_loop;
+ }
+
+ cxt->drv_data.acc_data.values[0] = x;
+ cxt->drv_data.acc_data.values[1] = y;
+ cxt->drv_data.acc_data.values[2] = z;
+ cxt->drv_data.acc_data.status = status;
+ cxt->drv_data.acc_data.time = nt;
+
+ }
+ }
+
+ if(true == cxt->is_first_data_after_enable)
+ {
+ cxt->is_first_data_after_enable = false;
+ //filter -1 value
+ if(ACC_INVALID_VALUE == cxt->drv_data.acc_data.values[0] ||
+ ACC_INVALID_VALUE == cxt->drv_data.acc_data.values[1] ||
+ ACC_INVALID_VALUE == cxt->drv_data.acc_data.values[2])
+ {
+ ACC_LOG(" read invalid data \n");
+ goto acc_loop;
+
+ }
+ }
+ //report data to input device
+ //printk("new acc work run....\n");
+ //ACC_LOG("acc data[%d,%d,%d] \n" ,cxt->drv_data.acc_data.values[0],
+ //cxt->drv_data.acc_data.values[1],cxt->drv_data.acc_data.values[2]);
+
+ acc_data_report(cxt->drv_data.acc_data.values[0],
+ cxt->drv_data.acc_data.values[1],cxt->drv_data.acc_data.values[2],
+ cxt->drv_data.acc_data.status);
+
+ acc_loop:
+ if(true == cxt->is_polling_run)
+ {
+ mod_timer(&cxt->timer, jiffies + atomic_read(&cxt->delay)/(1000/HZ));
+ }
+}
+
+static void acc_poll(unsigned long data)
+{
+ struct acc_context *obj = (struct acc_context *)data;
+ if(obj != NULL)
+ {
+ schedule_work(&obj->report);
+ }
+}
+
+static struct acc_context *acc_context_alloc_object(void)
+{
+
+ struct acc_context *obj = kzalloc(sizeof(*obj), GFP_KERNEL);
+ ACC_LOG("acc_context_alloc_object++++\n");
+ if(!obj)
+ {
+ ACC_ERR("Alloc accel object error!\n");
+ return NULL;
+ }
+ atomic_set(&obj->delay, 200); /*5Hz*/// set work queue delay time 200ms
+ atomic_set(&obj->wake, 0);
+ INIT_WORK(&obj->report, acc_work_func);
+ init_timer(&obj->timer);
+ obj->timer.expires = jiffies + atomic_read(&obj->delay)/(1000/HZ);
+ obj->timer.function = acc_poll;
+ obj->timer.data = (unsigned long)obj;
+ obj->is_first_data_after_enable = false;
+ obj->is_polling_run = false;
+ mutex_init(&obj->acc_op_mutex);
+ obj->is_batch_enable = false;//for batch mode init
+ ACC_LOG("acc_context_alloc_object----\n");
+ return obj;
+}
+
+static int acc_real_enable(int enable)
+{
+ int err =0;
+ struct acc_context *cxt = NULL;
+ cxt = acc_context_obj;
+ if(1==enable)
+ {
+
+ if(true==cxt->is_active_data || true ==cxt->is_active_nodata)
+ {
+ err = cxt->acc_ctl.enable_nodata(1);
+ if(err)
+ {
+ err = cxt->acc_ctl.enable_nodata(1);
+ if(err)
+ {
+ err = cxt->acc_ctl.enable_nodata(1);
+ if(err)
+ ACC_ERR("acc enable(%d) err 3 timers = %d\n", enable, err);
+ }
+ }
+ ACC_LOG("acc real enable \n" );
+ }
+
+ }
+ if(0==enable)
+ {
+ if(false==cxt->is_active_data && false ==cxt->is_active_nodata)
+ {
+ err = cxt->acc_ctl.enable_nodata(0);
+ if(err)
+ {
+ ACC_ERR("acc enable(%d) err = %d\n", enable, err);
+ }
+ ACC_LOG("acc real disable \n" );
+ }
+
+ }
+
+ return err;
+}
+static int acc_enable_data(int enable)
+{
+ struct acc_context *cxt = NULL;
+ int err =0;
+ cxt = acc_context_obj;
+ if(NULL == cxt->acc_ctl.open_report_data)
+ {
+ ACC_ERR("no acc control path\n");
+ return -1;
+ }
+
+ if(1 == enable)
+ {
+ ACC_LOG("ACC enable data\n");
+ cxt->is_active_data =true;
+ cxt->is_first_data_after_enable = true;
+ cxt->acc_ctl.open_report_data(1);
+ if(false == cxt->is_polling_run && cxt->is_batch_enable == false)
+ {
+ if(false == cxt->acc_ctl.is_report_input_direct)
+ {
+ mod_timer(&cxt->timer, jiffies + atomic_read(&cxt->delay)/(1000/HZ));
+ cxt->is_polling_run = true;
+ }
+ }
+ }
+ if(0 == enable)
+ {
+ ACC_LOG("ACC disable \n");
+
+ cxt->is_active_data =false;
+ cxt->acc_ctl.open_report_data(0);
+ if(true == cxt->is_polling_run)
+ {
+ if(false == cxt->acc_ctl.is_report_input_direct)
+ {
+ cxt->is_polling_run = false;
+ del_timer_sync(&cxt->timer);
+ cancel_work_sync(&cxt->report);
+ cxt->drv_data.acc_data.values[0] = ACC_INVALID_VALUE;
+ cxt->drv_data.acc_data.values[1] = ACC_INVALID_VALUE;
+ cxt->drv_data.acc_data.values[2] = ACC_INVALID_VALUE;
+ }
+ }
+
+ }
+ acc_real_enable(enable);
+ return 0;
+}
+
+
+
+int acc_enable_nodata(int enable)
+{
+ struct acc_context *cxt = NULL;
+ int err =0;
+ cxt = acc_context_obj;
+ if(NULL == cxt->acc_ctl.enable_nodata)
+ {
+ ACC_ERR("acc_enable_nodata:acc ctl path is NULL\n");
+ return -1;
+ }
+
+ if(1 == enable)
+ {
+ cxt->is_active_nodata = true;
+ }
+
+ if(0 == enable)
+ {
+ cxt->is_active_nodata = false;
+ }
+ acc_real_enable(enable);
+ return 0;
+}
+
+
+static ssize_t acc_show_enable_nodata(struct device* dev,
+ struct device_attribute *attr, char *buf)
+{
+ int len = 0;
+ ACC_LOG(" not support now\n");
+ return len;
+}
+
+static ssize_t acc_store_enable_nodata(struct device* dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ ACC_LOG("acc_store_enable nodata buf=%s\n",buf);
+ mutex_lock(&acc_context_obj->acc_op_mutex);
+ struct acc_context *cxt = NULL;
+ int err =0;
+ cxt = acc_context_obj;
+ if(NULL == cxt->acc_ctl.enable_nodata)
+ {
+ ACC_LOG("acc_ctl enable nodata NULL\n");
+ mutex_unlock(&acc_context_obj->acc_op_mutex);
+ return count;
+ }
+ if (!strncmp(buf, "1", 1))
+ {
+ //cxt->acc_ctl.enable_nodata(1);
+ acc_enable_nodata(1);
+ }
+ else if (!strncmp(buf, "0", 1))
+ {
+ //cxt->acc_ctl.enable_nodata(0);
+ acc_enable_nodata(0);
+ }
+ else
+ {
+ ACC_ERR(" acc_store enable nodata cmd error !!\n");
+ }
+ mutex_unlock(&acc_context_obj->acc_op_mutex);
+}
+
+static ssize_t acc_store_active(struct device* dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ ACC_LOG("acc_store_active buf=%s\n",buf);
+ mutex_lock(&acc_context_obj->acc_op_mutex);
+ struct acc_context *cxt = NULL;
+ int err =0;
+ cxt = acc_context_obj;
+ if(NULL == cxt->acc_ctl.open_report_data)
+ {
+ ACC_LOG("acc_ctl enable NULL\n");
+ mutex_unlock(&acc_context_obj->acc_op_mutex);
+ return count;
+ }
+ if (!strncmp(buf, "1", 1))
+ {
+ // cxt->acc_ctl.enable(1);
+ acc_enable_data(1);
+
+ }
+ else if (!strncmp(buf, "0", 1))
+ {
+
+ //cxt->acc_ctl.enable(0);
+ acc_enable_data(0);
+ }
+ else
+ {
+ ACC_ERR(" acc_store_active error !!\n");
+ }
+ mutex_unlock(&acc_context_obj->acc_op_mutex);
+ ACC_LOG(" acc_store_active done\n");
+ return count;
+}
+/*----------------------------------------------------------------------------*/
+static ssize_t acc_show_active(struct device* dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct acc_context *cxt = NULL;
+ cxt = acc_context_obj;
+ int div=cxt->acc_data.vender_div;
+ ACC_LOG("acc vender_div value: %d\n", div);
+ return snprintf(buf, PAGE_SIZE, "%d\n", div);
+}
+
+static ssize_t acc_store_delay(struct device* dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ mutex_lock(&acc_context_obj->acc_op_mutex);
+ struct acc_context *devobj = (struct acc_context*)dev_get_drvdata(dev);
+ int delay;
+ int mdelay=0;
+ struct acc_context *cxt = NULL;
+ int err =0;
+ cxt = acc_context_obj;
+ if(NULL == cxt->acc_ctl.set_delay)
+ {
+ ACC_LOG("acc_ctl set_delay NULL\n");
+ mutex_unlock(&acc_context_obj->acc_op_mutex);
+ return count;
+ }
+
+ if (1 != sscanf(buf, "%d", &delay)) {
+ ACC_ERR("invalid format!!\n");
+ mutex_unlock(&acc_context_obj->acc_op_mutex);
+ return count;
+ }
+
+ if(false == cxt->acc_ctl.is_report_input_direct)
+ {
+ mdelay = (int)delay/1000/1000;
+ atomic_set(&acc_context_obj->delay, mdelay);
+ }
+ cxt->acc_ctl.set_delay(delay);
+ ACC_LOG(" acc_delay %d ns\n",delay);
+ mutex_unlock(&acc_context_obj->acc_op_mutex);
+ return count;
+}
+
+static ssize_t acc_show_delay(struct device* dev,
+ struct device_attribute *attr, char *buf)
+{
+ int len = 0;
+ ACC_LOG(" not support now\n");
+ return len;
+}
+
+static ssize_t acc_show_sensordevnum(struct device* dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct acc_context *cxt = NULL;
+ char *devname = NULL;
+ cxt = acc_context_obj;
+ devname = dev_name(&cxt->idev->dev);
+ return snprintf(buf, PAGE_SIZE, "%s\n", devname+5);
+}
+
+
+static ssize_t acc_store_batch(struct device* dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ ACC_LOG("acc_store_batch buf=%s\n",buf);
+ mutex_lock(&acc_context_obj->acc_op_mutex);
+ struct acc_context *cxt = NULL;
+ int err =0;
+ cxt = acc_context_obj;
+ if(cxt->acc_ctl.is_support_batch){
+ if (!strncmp(buf, "1", 1))
+ {
+ cxt->is_batch_enable = true;
+ }
+ else if (!strncmp(buf, "0", 1))
+ {
+ cxt->is_batch_enable = false;
+ }
+ else
+ {
+ ACC_ERR(" acc_store_batch error !!\n");
+ }
+ }else{
+ ACC_LOG(" acc_store_batch mot supported\n");
+ }
+ mutex_unlock(&acc_context_obj->acc_op_mutex);
+ ACC_LOG(" acc_store_batch done: %d\n", cxt->is_batch_enable);
+ return count;
+
+}
+
+static ssize_t acc_show_batch(struct device* dev,
+ struct device_attribute *attr, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n", 0);
+}
+
+static ssize_t acc_store_flush(struct device* dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ mutex_lock(&acc_context_obj->acc_op_mutex);
+ struct acc_context *devobj = (struct acc_context*)dev_get_drvdata(dev);
+ //do read FIFO data function and report data immediately
+ mutex_unlock(&acc_context_obj->acc_op_mutex);
+ return count;
+}
+
+static ssize_t acc_show_flush(struct device* dev,
+ struct device_attribute *attr, char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n", 0);
+}
+
+static int gsensor_remove(struct platform_device *pdev)
+{
+ ACC_LOG("gsensor_remove\n");
+ return 0;
+}
+
+static int gsensor_probe(struct platform_device *pdev)
+{
+ ACC_LOG("gsensor_probe\n");
+ return 0;
+}
+
+static struct platform_driver gsensor_driver = {
+ .probe = gsensor_probe,
+ .remove = gsensor_remove,
+ .driver =
+ {
+ .name = "gsensor",
+ }
+};
+
+static int acc_real_driver_init(void)
+{
+ int i =0;
+ int err=0;
+ ACC_LOG(" acc_real_driver_init +\n");
+ for(i = 0; i < MAX_CHOOSE_G_NUM; i++)
+ {
+ ACC_LOG(" i=%d\n",i);
+ if(0 != gsensor_init_list[i])
+ {
+ ACC_LOG(" acc try to init driver %s\n", gsensor_init_list[i]->name);
+ err = gsensor_init_list[i]->init();
+ if(0 == err)
+ {
+ ACC_LOG(" acc real driver %s probe ok\n", gsensor_init_list[i]->name);
+ break;
+ }
+ }
+ }
+
+ if(i == MAX_CHOOSE_G_NUM)
+ {
+ ACC_LOG(" acc_real_driver_init fail\n");
+ err=-1;
+ }
+ return err;
+}
+
+ int acc_driver_add(struct acc_init_info* obj)
+{
+ int err=0;
+ int i =0;
+
+ ACC_FUN();
+
+ for(i =0; i < MAX_CHOOSE_G_NUM; i++ )
+ {
+ if(i == 0){
+ ACC_LOG("register gensor driver for the first time\n");
+ if(platform_driver_register(&gsensor_driver))
+ {
+ ACC_ERR("failed to register gensor driver already exist\n");
+ }
+ }
+
+ if(NULL == gsensor_init_list[i])
+ {
+ obj->platform_diver_addr = &gsensor_driver;
+ gsensor_init_list[i] = obj;
+ break;
+ }
+ }
+ if(NULL==gsensor_init_list[i])
+ {
+ ACC_ERR("ACC driver add err \n");
+ err=-1;
+ }
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(acc_driver_add);
+
+static int acc_misc_init(struct acc_context *cxt)
+{
+
+ int err=0;
+ cxt->mdev.minor = MISC_DYNAMIC_MINOR;
+ cxt->mdev.name = ACC_MISC_DEV_NAME;
+ if((err = misc_register(&cxt->mdev)))
+ {
+ ACC_ERR("unable to register acc misc device!!\n");
+ }
+ //dev_set_drvdata(cxt->mdev.this_device, cxt);
+ return err;
+}
+
+static void acc_input_destroy(struct acc_context *cxt)
+{
+ struct input_dev *dev = cxt->idev;
+
+ input_unregister_device(dev);
+ input_free_device(dev);
+}
+
+static int acc_input_init(struct acc_context *cxt)
+{
+ struct input_dev *dev;
+ int err = 0;
+
+ dev = input_allocate_device();
+ if (NULL == dev)
+ return -ENOMEM;
+
+ dev->name = ACC_INPUTDEV_NAME;
+
+ input_set_capability(dev, EV_ABS, EVENT_TYPE_ACCEL_X);
+ input_set_capability(dev, EV_ABS, EVENT_TYPE_ACCEL_Y);
+ input_set_capability(dev, EV_ABS, EVENT_TYPE_ACCEL_Z);
+ input_set_capability(dev, EV_ABS, EVENT_TYPE_ACCEL_STATUS);
+
+ input_set_abs_params(dev, EVENT_TYPE_ACCEL_X, ACC_VALUE_MIN, ACC_VALUE_MAX, 0, 0);
+ input_set_abs_params(dev, EVENT_TYPE_ACCEL_Y, ACC_VALUE_MIN, ACC_VALUE_MAX, 0, 0);
+ input_set_abs_params(dev, EVENT_TYPE_ACCEL_Z, ACC_VALUE_MIN, ACC_VALUE_MAX, 0, 0);
+ input_set_abs_params(dev, EVENT_TYPE_ACCEL_STATUS, ACC_STATUS_MIN, ACC_STATUS_MAX, 0, 0);
+ input_set_drvdata(dev, cxt);
+
+ err = input_register_device(dev);
+ if (err < 0) {
+ input_free_device(dev);
+ return err;
+ }
+ cxt->idev= dev;
+
+ return 0;
+}
+
+DEVICE_ATTR(accenablenodata, S_IWUSR | S_IRUGO, acc_show_enable_nodata, acc_store_enable_nodata);
+DEVICE_ATTR(accactive, S_IWUSR | S_IRUGO, acc_show_active, acc_store_active);
+DEVICE_ATTR(accdelay, S_IWUSR | S_IRUGO, acc_show_delay, acc_store_delay);
+DEVICE_ATTR(accbatch, S_IWUSR | S_IRUGO, acc_show_batch, acc_store_batch);
+DEVICE_ATTR(accflush, S_IWUSR | S_IRUGO, acc_show_flush, acc_store_flush);
+DEVICE_ATTR(accdevnum, S_IWUSR | S_IRUGO, acc_show_sensordevnum, NULL);
+
+static struct attribute *acc_attributes[] = {
+ &dev_attr_accenablenodata.attr,
+ &dev_attr_accactive.attr,
+ &dev_attr_accdelay.attr,
+ &dev_attr_accbatch.attr,
+ &dev_attr_accflush.attr,
+ &dev_attr_accdevnum.attr,
+ NULL
+};
+
+static struct attribute_group acc_attribute_group = {
+ .attrs = acc_attributes
+};
+
+int acc_register_data_path(struct acc_data_path *data)
+{
+ struct acc_context *cxt = NULL;
+ int err =0;
+ cxt = acc_context_obj;
+ cxt->acc_data.get_data = data->get_data;
+ cxt->acc_data.vender_div = data->vender_div;
+ ACC_LOG("acc register data path vender_div: %d\n", cxt->acc_data.vender_div);
+ if(NULL == cxt->acc_data.get_data)
+ {
+ ACC_LOG("acc register data path fail \n");
+ return -1;
+ }
+ return 0;
+}
+
+int acc_register_control_path(struct acc_control_path *ctl)
+{
+ struct acc_context *cxt = NULL;
+ int err =0;
+ cxt = acc_context_obj;
+ cxt->acc_ctl.set_delay = ctl->set_delay;
+ cxt->acc_ctl.open_report_data= ctl->open_report_data;
+ cxt->acc_ctl.enable_nodata = ctl->enable_nodata;
+ cxt->acc_ctl.is_support_batch = ctl->is_support_batch;
+ cxt->acc_ctl.is_report_input_direct= ctl->is_report_input_direct;
+
+ if(NULL==cxt->acc_ctl.set_delay || NULL==cxt->acc_ctl.open_report_data
+ || NULL==cxt->acc_ctl.enable_nodata)
+ {
+ ACC_LOG("acc register control path fail \n");
+ return -1;
+ }
+
+ //add misc dev for sensor hal control cmd
+ err = acc_misc_init(acc_context_obj);
+ if(err)
+ {
+ ACC_ERR("unable to register acc misc device!!\n");
+ return -2;
+ }
+ err = sysfs_create_group(&acc_context_obj->mdev.this_device->kobj,
+ &acc_attribute_group);
+ if (err < 0)
+ {
+ ACC_ERR("unable to create acc attribute file\n");
+ return -3;
+ }
+
+ kobject_uevent(&acc_context_obj->mdev.this_device->kobj, KOBJ_ADD);
+
+ return 0;
+}
+
+int acc_data_report(int x, int y, int z,int status)
+{
+ //ACC_LOG("+acc_data_report! %d, %d, %d, %d\n",x,y,z,status);
+ struct acc_context *cxt = NULL;
+ int err =0;
+ cxt = acc_context_obj;
+ input_report_abs(cxt->idev, EVENT_TYPE_ACCEL_X, x);
+ input_report_abs(cxt->idev, EVENT_TYPE_ACCEL_Y, y);
+ input_report_abs(cxt->idev, EVENT_TYPE_ACCEL_Z, z);
+ input_report_abs(cxt->idev, EVENT_TYPE_ACCEL_STATUS, status);
+ input_sync(cxt->idev);
+}
+
+static int acc_probe(struct platform_device *pdev)
+{
+
+ int err;
+ ACC_LOG("+++++++++++++accel_probe!!\n");
+
+ acc_context_obj = acc_context_alloc_object();
+ if (!acc_context_obj)
+ {
+ err = -ENOMEM;
+ ACC_ERR("unable to allocate devobj!\n");
+ goto exit_alloc_data_failed;
+ }
+
+ //init real acceleration driver
+ err = acc_real_driver_init();
+ if(err)
+ {
+ ACC_ERR("acc real driver init fail\n");
+ goto real_driver_init_fail;
+ }
+
+ //init input dev
+ err = acc_input_init(acc_context_obj);
+ if(err)
+ {
+ ACC_ERR("unable to register acc input device!\n");
+ goto exit_alloc_input_dev_failed;
+ }
+
+ atomic_set(&(acc_context_obj->early_suspend), 0);
+ acc_context_obj->early_drv.level = EARLY_SUSPEND_LEVEL_STOP_DRAWING - 1,
+ acc_context_obj->early_drv.suspend = acc_early_suspend,
+ acc_context_obj->early_drv.resume = acc_late_resume,
+ register_early_suspend(&acc_context_obj->early_drv);
+
+
+ ACC_LOG("----accel_probe OK !!\n");
+ return 0;
+
+ exit_hwmsen_create_attr_failed:
+ exit_misc_register_failed:
+
+ exit_err_sysfs:
+
+ if (err)
+ {
+ ACC_ERR("sysfs node creation error \n");
+ acc_input_destroy(acc_context_obj);
+ }
+
+ real_driver_init_fail:
+ exit_alloc_input_dev_failed:
+ kfree(acc_context_obj);
+
+ exit_alloc_data_failed:
+
+
+ ACC_LOG("----accel_probe fail !!!\n");
+ return err;
+}
+
+
+
+static int acc_remove(struct platform_device *pdev)
+{
+ ACC_FUN(f);
+ int err=0;
+ input_unregister_device(acc_context_obj->idev);
+ sysfs_remove_group(&acc_context_obj->idev->dev.kobj,
+ &acc_attribute_group);
+
+ if((err = misc_deregister(&acc_context_obj->mdev)))
+ {
+ ACC_ERR("misc_deregister fail: %d\n", err);
+ }
+ kfree(acc_context_obj);
+
+ return 0;
+}
+
+static void acc_early_suspend(struct early_suspend *h)
+{
+ atomic_set(&(acc_context_obj->early_suspend), 1);
+ ACC_LOG(" acc_early_suspend ok------->hwm_obj->early_suspend=%d \n",atomic_read(&(acc_context_obj->early_suspend)));
+ return ;
+}
+/*----------------------------------------------------------------------------*/
+static void acc_late_resume(struct early_suspend *h)
+{
+ atomic_set(&(acc_context_obj->early_suspend), 0);
+ ACC_LOG(" acc_late_resume ok------->hwm_obj->early_suspend=%d \n",atomic_read(&(acc_context_obj->early_suspend)));
+ return ;
+}
+
+static int acc_suspend(struct platform_device *dev, pm_message_t state)
+{
+ return 0;
+}
+/*----------------------------------------------------------------------------*/
+static int acc_resume(struct platform_device *dev)
+{
+ return 0;
+}
+
+static struct platform_driver acc_driver =
+{
+ .probe = acc_probe,
+ .remove = acc_remove,
+ .suspend = acc_suspend,
+ .resume = acc_resume,
+ .driver =
+ {
+ .name = ACC_PL_DEV_NAME,
+ }
+};
+
+static int __init acc_init(void)
+{
+ ACC_FUN();
+
+ if(platform_driver_register(&acc_driver))
+ {
+ ACC_ERR("failed to register acc driver\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static void __exit acc_exit(void)
+{
+ platform_driver_unregister(&acc_driver);
+ platform_driver_unregister(&gsensor_driver);
+}
+
+module_init(acc_init);
+module_exit(acc_exit);
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("ACCELEROMETER device driver");
+MODULE_AUTHOR("Mediatek");
+
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff