iio: amplifiers: ad8366: prepare for device-tree support

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Drop switch case on the enum ID in favor of extended chip info table,
containing:
- gain_step, indicating with sign the start of the code range;
- num_channels, to indicate the number IIO channels;
- pack_code() function to describe how SPI buffer is populated;

Which allowed for a simplified read_raw() and write_raw() callbacks. The
probe() function was adjusted accordingly. The linux/array_size.h include
is removed as number of channels is provided by chip info table.

Signed-off-by: Rodrigo Alencar <rodrigo.alencar@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Rodrigo Alencar 2026-02-16 17:10:52 +00:00 • committed by Jonathan Cameron

parent ee4f8c56e4

commit 314b184b82

1 changed files with 44 additions and 90 deletions

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drivers/iio/amplifiers/ad8366.c

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