diff options
| author | Antoniu Miclaus <antoniu.miclaus@analog.com> | 2025-05-16 11:26:23 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2025-06-09 07:45:34 +0100 |
| commit | 5ef4cc6d2414d115cf09a6a33c3155f12e58a27d (patch) | |
| tree | 43887786250921bfbeae57f365b274d0edb95bb3 | |
| parent | 995fd6e002b0d1ac435faed68005585906467e92 (diff) | |
iio: backend: add support for number of lanes
Add iio backend support for number of lanes to be enabled.
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://patch.msgid.link/20250516082630.8236-4-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | drivers/iio/industrialio-backend.c | 17 | ||||
| -rw-r--r-- | include/linux/iio/backend.h | 3 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-backend.c index 1fd71b520691..6b2d3dac52b3 100644 --- a/drivers/iio/industrialio-backend.c +++ b/drivers/iio/industrialio-backend.c @@ -850,6 +850,23 @@ int iio_backend_interface_data_align(struct iio_backend *back, u32 timeout_us) EXPORT_SYMBOL_NS_GPL(iio_backend_interface_data_align, "IIO_BACKEND"); /** + * iio_backend_num_lanes_set - Number of lanes enabled. + * @back: Backend device + * @num_lanes: Number of lanes. + * + * RETURNS: + * 0 on success, negative error number on failure. + */ +int iio_backend_num_lanes_set(struct iio_backend *back, unsigned int num_lanes) +{ + if (!num_lanes) + return -EINVAL; + + return iio_backend_op_call(back, num_lanes_set, num_lanes); +} +EXPORT_SYMBOL_NS_GPL(iio_backend_num_lanes_set, "IIO_BACKEND"); + +/** * iio_backend_ddr_enable - Enable interface DDR (Double Data Rate) mode * @back: Backend device * diff --git a/include/linux/iio/backend.h b/include/linux/iio/backend.h index c579eb523466..1f528fbd9d11 100644 --- a/include/linux/iio/backend.h +++ b/include/linux/iio/backend.h @@ -111,6 +111,7 @@ enum iio_backend_filter_type { * @debugfs_reg_access: Read or write register value of backend. * @filter_type_set: Set filter type. * @interface_data_align: Perform the data alignment process. + * @num_lanes_set: Set the number of lanes enabled. * @ddr_enable: Enable interface DDR (Double Data Rate) mode. * @ddr_disable: Disable interface DDR (Double Data Rate) mode. * @data_stream_enable: Enable data stream. @@ -166,6 +167,7 @@ struct iio_backend_ops { int (*filter_type_set)(struct iio_backend *back, enum iio_backend_filter_type type); int (*interface_data_align)(struct iio_backend *back, u32 timeout_us); + int (*num_lanes_set)(struct iio_backend *back, unsigned int num_lanes); int (*ddr_enable)(struct iio_backend *back); int (*ddr_disable)(struct iio_backend *back); int (*data_stream_enable)(struct iio_backend *back); @@ -211,6 +213,7 @@ int devm_iio_backend_request_buffer(struct device *dev, int iio_backend_filter_type_set(struct iio_backend *back, enum iio_backend_filter_type type); int iio_backend_interface_data_align(struct iio_backend *back, u32 timeout_us); +int iio_backend_num_lanes_set(struct iio_backend *back, unsigned int num_lanes); int iio_backend_ddr_enable(struct iio_backend *back); int iio_backend_ddr_disable(struct iio_backend *back); int iio_backend_data_stream_enable(struct iio_backend *back); |