diff options
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/industrialio-buffer.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 7f9152c3c4d3..4dcc3a0f9930 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -37,6 +37,14 @@ static bool iio_buffer_is_active(struct iio_buffer *buf) return !list_empty(&buf->buffer_list); } +static bool iio_buffer_data_available(struct iio_buffer *buf) +{ + if (buf->access->data_available) + return buf->access->data_available(buf); + + return buf->stufftoread; +} + /** * iio_buffer_read_first_n_outer() - chrdev read for buffer access * @@ -70,7 +78,7 @@ unsigned int iio_buffer_poll(struct file *filp, return -ENODEV; poll_wait(filp, &rb->pollq, wait); - if (rb->stufftoread) + if (iio_buffer_data_available(rb)) return POLLIN | POLLRDNORM; /* need a way of knowing if there may be enough data... */ return 0; |