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iio: backend: add support for data size set

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Add backend support for setting the data size used.
This setting can be adjusted within the IP cores interfacing devices.

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/20250214131955.31973-3-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Antoniu Miclaus
2025-02-14 15:19:48 +02:00
committed by Jonathan Cameron
parent 4018ab4263
commit fc3fdb835e
2 changed files with 24 additions and 0 deletions
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include/linux/iio/backend.h
+3
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@@ -95,6 +95,7 @@ enum iio_backend_interface_type {
* @ext_info_set: Extended info setter.
* @ext_info_get: Extended info getter.
* @interface_type_get: Interface type.
* @data_size_set: Data size.
* @read_raw: Read a channel attribute from a backend device
* @debugfs_print_chan_status: Print channel status into a buffer.
* @debugfs_reg_access: Read or write register value of backend.
@@ -137,6 +138,7 @@ struct iio_backend_ops {
const struct iio_chan_spec *chan, char *buf);
int (*interface_type_get)(struct iio_backend *back,
enum iio_backend_interface_type *type);
int (*data_size_set)(struct iio_backend *back, unsigned int size);
int (*read_raw)(struct iio_backend *back,
struct iio_chan_spec const *chan, int *val, int *val2,
long mask);
@@ -197,6 +199,7 @@ ssize_t iio_backend_ext_info_get(struct iio_dev *indio_dev, uintptr_t private,
const struct iio_chan_spec *chan, char *buf);
int iio_backend_interface_type_get(struct iio_backend *back,
enum iio_backend_interface_type *type);
int iio_backend_data_size_set(struct iio_backend *back, unsigned int size);
int iio_backend_read_raw(struct iio_backend *back,
struct iio_chan_spec const *chan, int *val, int *val2,
long mask);