diff options
Diffstat (limited to 'drivers/iio/industrialio-buffer.c')
| -rw-r--r-- | drivers/iio/industrialio-buffer.c | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 2aec8b85f40d..a7d7e5143ed2 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -971,24 +971,29 @@ static int iio_enable_buffers(struct iio_dev *indio_dev, goto err_disable_buffers; } + if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { + ret = iio_trigger_attach_poll_func(indio_dev->trig, + indio_dev->pollfunc); + if (ret) + goto err_disable_buffers; + } + if (indio_dev->setup_ops->postenable) { ret = indio_dev->setup_ops->postenable(indio_dev); if (ret) { dev_dbg(&indio_dev->dev, "Buffer not started: postenable failed (%d)\n", ret); - goto err_disable_buffers; + goto err_detach_pollfunc; } } - if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { - ret = iio_trigger_attach_poll_func(indio_dev->trig, - indio_dev->pollfunc); - if (ret) - goto err_disable_buffers; - } - return 0; +err_detach_pollfunc: + if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { + iio_trigger_detach_poll_func(indio_dev->trig, + indio_dev->pollfunc); + } err_disable_buffers: list_for_each_entry_continue_reverse(buffer, &iio_dev_opaque->buffer_list, buffer_list) @@ -1014,11 +1019,6 @@ static int iio_disable_buffers(struct iio_dev *indio_dev) if (list_empty(&iio_dev_opaque->buffer_list)) return 0; - if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { - iio_trigger_detach_poll_func(indio_dev->trig, - indio_dev->pollfunc); - } - /* * If things go wrong at some step in disable we still need to continue * to perform the other steps, otherwise we leave the device in a @@ -1032,6 +1032,11 @@ static int iio_disable_buffers(struct iio_dev *indio_dev) ret = ret2; } + if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { + iio_trigger_detach_poll_func(indio_dev->trig, + indio_dev->pollfunc); + } + list_for_each_entry(buffer, &iio_dev_opaque->buffer_list, buffer_list) { ret2 = iio_buffer_disable(buffer, indio_dev); if (ret2 && !ret) |