struct fasync_struct *async_queue; /* queue for the misc device */
wait_queue_head_t misc_wait; /* Wait queue for the misc device */
unsigned long misc_opened; /* bit0: whether the device is open */
+ atomic_t wake_thread;
+ unsigned char irq_cfg;
struct lis3lv02d_platform_data *pdata; /* for passing board config */
struct mutex mutex; /* Serialize poll and selftest */