mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-04-13 09:40:36 -04:00
Code Issues Packages Projects Releases Wiki Activity

iio: add enable and disable services to iio backend framework

Browse Source 
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>
This commit is contained in:
Olivier Moysan
2024-07-30 10:46:32 +02:00
committed by Jonathan Cameron
parent 0737158aab
commit 2530d7d44c
2 changed files with 26 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/iio/industrialio-backend.c
View File

@@ -291,6 +291,29 @@ static void __iio_backend_disable(void *back)
iio_backend_void_op_call(back, disable);
}
/**
* 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
@@ -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;

2
include/linux/iio/backend.h
View File

@@ -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,