iio: adc: ad799x: cache regulator voltages during probe

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Since the reference voltage for this ADC is not expected to
change at runtime, determine the active reference voltage (either VREF
or VCC) during probe() and cache it in a single variable in the state
structure.

Suggested-by: Jonathan Cameron <jic23@kernel.org>
Suggested-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Archit Anant <architanant5@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

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Archit Anant 2026-04-12 15:07:38 +05:30 • committed by Jonathan Cameron

parent 21450969a7

commit 97c3fae0db

1 changed files with 16 additions and 8 deletions

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drivers/iio/adc/ad799x.c

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