iio: adc: ltc2497: Get platform data via dev_get_platdata()

Access to platform data via dev_get_platdata() getter to make code cleaner.

While at it, drop duplicate NULL check that iio_map_array_register()
already has.

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://patch.msgid.link/20240902222824.1145571-7-andy.shevchenko@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Andy Shevchenko 2024-09-03 01:16:51 +03:00 • committed by Jonathan Cameron
commit d29ac01249