diff options
Diffstat (limited to 'drivers/iio/potentiostat/lmp91000.c')
| -rw-r--r-- | drivers/iio/potentiostat/lmp91000.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/iio/potentiostat/lmp91000.c b/drivers/iio/potentiostat/lmp91000.c index a0e5f530faa9..2cb11da18e0f 100644 --- a/drivers/iio/potentiostat/lmp91000.c +++ b/drivers/iio/potentiostat/lmp91000.c @@ -275,11 +275,20 @@ static int lmp91000_buffer_cb(const void *val, void *private) static const struct iio_trigger_ops lmp91000_trigger_ops = { }; -static int lmp91000_buffer_preenable(struct iio_dev *indio_dev) +static int lmp91000_buffer_postenable(struct iio_dev *indio_dev) { struct lmp91000_data *data = iio_priv(indio_dev); + int err; - return iio_channel_start_all_cb(data->cb_buffer); + err = iio_triggered_buffer_postenable(indio_dev); + if (err) + return err; + + err = iio_channel_start_all_cb(data->cb_buffer); + if (err) + iio_triggered_buffer_predisable(indio_dev); + + return err; } static int lmp91000_buffer_predisable(struct iio_dev *indio_dev) @@ -288,12 +297,11 @@ static int lmp91000_buffer_predisable(struct iio_dev *indio_dev) iio_channel_stop_all_cb(data->cb_buffer); - return 0; + return iio_triggered_buffer_predisable(indio_dev); } static const struct iio_buffer_setup_ops lmp91000_buffer_setup_ops = { - .preenable = lmp91000_buffer_preenable, - .postenable = iio_triggered_buffer_postenable, + .postenable = lmp91000_buffer_postenable, .predisable = lmp91000_buffer_predisable, }; |