diff options
| author | Antoniu Miclaus <antoniu.miclaus@analog.com> | 2025-02-14 15:19:47 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2025-02-16 15:11:25 +0000 |
| commit | 4018ab42636cbea1bcf4fd69afc31d51cd905ba0 (patch) | |
| tree | 3fb2bcc27052ef64dff588ca92a5377ef114f937 /drivers | |
| parent | ac856912f210bcff6a1cf8cf9cb2f6a1dfe85798 (diff) | |
iio: backend: add API for interface get
Add backend support for obtaining the interface type used.
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://patch.msgid.link/20250214131955.31973-2-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iio/industrialio-backend.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-backend.c index 363281272035..8bf3d570da1b 100644 --- a/drivers/iio/industrialio-backend.c +++ b/drivers/iio/industrialio-backend.c @@ -637,6 +637,30 @@ ssize_t iio_backend_ext_info_set(struct iio_dev *indio_dev, uintptr_t private, EXPORT_SYMBOL_NS_GPL(iio_backend_ext_info_set, "IIO_BACKEND"); /** + * iio_backend_interface_type_get - get the interface type used. + * @back: Backend device + * @type: Interface type + * + * RETURNS: + * 0 on success, negative error number on failure. + */ +int iio_backend_interface_type_get(struct iio_backend *back, + enum iio_backend_interface_type *type) +{ + int ret; + + ret = iio_backend_op_call(back, interface_type_get, type); + if (ret) + return ret; + + if (*type >= IIO_BACKEND_INTERFACE_MAX) + return -EINVAL; + + return 0; +} +EXPORT_SYMBOL_NS_GPL(iio_backend_interface_type_get, "IIO_BACKEND"); + +/** * iio_backend_extend_chan_spec - Extend an IIO channel * @back: Backend device * @chan: IIO channel |