diff options
| author | Olivier Moysan <olivier.moysan@foss.st.com> | 2024-07-30 10:46:32 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-08-10 11:17:34 +0100 |
| commit | 2530d7d44ca6dc0c1c059f143cdcb2be8600c59a (patch) | |
| tree | 533dbb8c550b4f106b3ed5c76954bd088887a381 | |
| parent | 0737158aabc278526c784f63b8dd8963cdc558a9 (diff) | |
iio: add enable and disable services to iio backend framework
Add iio_backend_disable() and iio_backend_enable() APIs to allow
IIO backend consumer to request backend disabling and enabling.
Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240730084640.1307938-3-olivier.moysan@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | drivers/iio/industrialio-backend.c | 25 | ||||
| -rw-r--r-- | include/linux/iio/backend.h | 2 |
2 files changed, 26 insertions, 1 deletions
diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-backend.c index dfaa5f34a7a5..8a7ff783ae29 100644 --- a/drivers/iio/industrialio-backend.c +++ b/drivers/iio/industrialio-backend.c @@ -292,6 +292,29 @@ static void __iio_backend_disable(void *back) } /** + * iio_backend_disable - Backend disable + * @back: Backend device + */ +void iio_backend_disable(struct iio_backend *back) +{ + __iio_backend_disable(back); +} +EXPORT_SYMBOL_NS_GPL(iio_backend_disable, IIO_BACKEND); + +/** + * iio_backend_enable - Backend enable + * @back: Backend device + * + * RETURNS: + * 0 on success, negative error number on failure. + */ +int iio_backend_enable(struct iio_backend *back) +{ + return iio_backend_op_call(back, enable); +} +EXPORT_SYMBOL_NS_GPL(iio_backend_enable, IIO_BACKEND); + +/** * devm_iio_backend_enable - Device managed backend enable * @dev: Consumer device for the backend * @back: Backend device @@ -303,7 +326,7 @@ int devm_iio_backend_enable(struct device *dev, struct iio_backend *back) { int ret; - ret = iio_backend_op_call(back, enable); + ret = iio_backend_enable(back); if (ret) return ret; diff --git a/include/linux/iio/backend.h b/include/linux/iio/backend.h index 838092b0de3d..b0b663163ff4 100644 --- a/include/linux/iio/backend.h +++ b/include/linux/iio/backend.h @@ -144,6 +144,8 @@ struct iio_backend_info { int iio_backend_chan_enable(struct iio_backend *back, unsigned int chan); int iio_backend_chan_disable(struct iio_backend *back, unsigned int chan); int devm_iio_backend_enable(struct device *dev, struct iio_backend *back); +int iio_backend_enable(struct iio_backend *back); +void iio_backend_disable(struct iio_backend *back); int iio_backend_data_format_set(struct iio_backend *back, unsigned int chan, const struct iio_backend_data_fmt *data); int iio_backend_data_source_set(struct iio_backend *back, unsigned int chan, |