diff options
Diffstat (limited to 'include/linux/iio')
| -rw-r--r-- | include/linux/iio/consumer.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/iio/consumer.h b/include/linux/iio/consumer.h index e1e033d6a81f..3d672f72e7ec 100644 --- a/include/linux/iio/consumer.h +++ b/include/linux/iio/consumer.h @@ -92,6 +92,32 @@ struct iio_channel *iio_channel_get_all(struct device *dev); */ void iio_channel_release_all(struct iio_channel *chan); +/** + * devm_iio_channel_get_all() - Resource managed version of + * iio_channel_get_all(). + * @dev: Pointer to consumer device. + * + * Returns a pointer to negative errno if it is not able to get the iio channel + * otherwise returns an array of iio_channel structures terminated with one with + * null iio_dev pointer. + * + * This function is used by fairly generic consumers to get all the + * channels registered as having this consumer. + * + * The allocated iio channels are automatically released when the device is + * unbounded. + */ +struct iio_channel *devm_iio_channel_get_all(struct device *dev); + +/** + * devm_iio_channel_release_all() - Resource managed version of + * iio_channel_release_all(). + * @dev: Pointer to consumer device for which resource + * is allocared. + * @chan: Array channel to be released. + */ +void devm_iio_channel_release_all(struct device *dev, struct iio_channel *chan); + struct iio_cb_buffer; /** * iio_channel_get_all_cb() - register callback for triggered capture |