iio: amplifiers: hmc425a: move conversion logic

Move gain-dB<->code conversion logic from read_raw and write_raw to
chip_info callbacks.

Signed-off-by: Dumitru Ceclan <mitrutzceclan@gmail.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240220153553.2432-2-mitrutzceclan@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Dumitru Ceclan 2024-02-20 17:34:49 +02:00 • committed by Jonathan Cameron
commit 2edb22571e