iio: adc: ad7793: add dev variable

Add a local struct device pointer to simplify repeated &spi->dev
dereferences throughout the probe function.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Antoniu Miclaus 2026-03-30 14:18:47 +03:00 • committed by Jonathan Cameron
commit b659f18def