diff options
Diffstat (limited to 'drivers/iio/industrialio-event.c')
| -rw-r--r-- | drivers/iio/industrialio-event.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c index 10aa9ef86ce..6be65ef5faa 100644 --- a/drivers/iio/industrialio-event.c +++ b/drivers/iio/industrialio-event.c @@ -72,7 +72,8 @@ EXPORT_SYMBOL(iio_push_event); static unsigned int iio_event_poll(struct file *filep, struct poll_table_struct *wait) { - struct iio_event_interface *ev_int = filep->private_data; + struct iio_dev *indio_dev = filep->private_data; + struct iio_event_interface *ev_int = indio_dev->event_interface; unsigned int events = 0; poll_wait(filep, &ev_int->wait, wait); @@ -90,7 +91,8 @@ static ssize_t iio_event_chrdev_read(struct file *filep, size_t count, loff_t *f_ps) { - struct iio_event_interface *ev_int = filep->private_data; + struct iio_dev *indio_dev = filep->private_data; + struct iio_event_interface *ev_int = indio_dev->event_interface; unsigned int copied; int ret; @@ -121,7 +123,8 @@ error_unlock: static int iio_event_chrdev_release(struct inode *inode, struct file *filep) { - struct iio_event_interface *ev_int = filep->private_data; + struct iio_dev *indio_dev = filep->private_data; + struct iio_event_interface *ev_int = indio_dev->event_interface; spin_lock_irq(&ev_int->wait.lock); __clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); @@ -133,6 +136,8 @@ static int iio_event_chrdev_release(struct inode *inode, struct file *filep) kfifo_reset_out(&ev_int->det_events); spin_unlock_irq(&ev_int->wait.lock); + iio_device_put(indio_dev); + return 0; } @@ -158,12 +163,15 @@ int iio_event_getfd(struct iio_dev *indio_dev) return -EBUSY; } spin_unlock_irq(&ev_int->wait.lock); - fd = anon_inode_getfd("iio:event", - &iio_event_chrdev_fileops, ev_int, O_RDONLY); + iio_device_get(indio_dev); + + fd = anon_inode_getfd("iio:event", &iio_event_chrdev_fileops, + indio_dev, O_RDONLY); if (fd < 0) { spin_lock_irq(&ev_int->wait.lock); __clear_bit(IIO_BUSY_BIT_POS, &ev_int->flags); spin_unlock_irq(&ev_int->wait.lock); + iio_device_put(indio_dev); } return fd; } @@ -276,7 +284,7 @@ static int iio_device_add_event_sysfs(struct iio_dev *indio_dev, goto error_ret; } if (chan->modified) - mask = IIO_MOD_EVENT_CODE(chan->type, 0, chan->channel, + mask = IIO_MOD_EVENT_CODE(chan->type, 0, chan->channel2, i/IIO_EV_DIR_MAX, i%IIO_EV_DIR_MAX); else if (chan->differential) |