diff options
Diffstat (limited to 'drivers/iio/kfifo_buf.c')
| -rw-r--r-- | drivers/iio/kfifo_buf.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/iio/kfifo_buf.c b/drivers/iio/kfifo_buf.c index b2beea01c49b..847ca561afe0 100644 --- a/drivers/iio/kfifo_buf.c +++ b/drivers/iio/kfifo_buf.c @@ -83,9 +83,6 @@ static int iio_store_to_kfifo(struct iio_buffer *r, ret = kfifo_in(&kf->kf, data, 1); if (ret != 1) return -EBUSY; - - wake_up_interruptible_poll(&r->pollq, POLLIN | POLLRDNORM); - return 0; } @@ -109,16 +106,16 @@ static int iio_read_first_n_kfifo(struct iio_buffer *r, return copied; } -static bool iio_kfifo_buf_data_available(struct iio_buffer *r) +static size_t iio_kfifo_buf_data_available(struct iio_buffer *r) { struct iio_kfifo *kf = iio_to_kfifo(r); - bool empty; + size_t samples; mutex_lock(&kf->user_lock); - empty = kfifo_is_empty(&kf->kf); + samples = kfifo_len(&kf->kf); mutex_unlock(&kf->user_lock); - return !empty; + return samples; } static void iio_kfifo_buffer_release(struct iio_buffer *buffer) |