iio: adc: ad_sigma_delta: allow COMPILE_TEST in isolation

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AD_SIGMA_DELTA is a hidden tristate that can only be enabled by
selecting drivers (AD7124, AD7192, etc.), all of which require SPI.
This prevents compile-testing the library code directly with allmodconfig
or by manually enabling it with COMPILE_TEST.

Add a prompt string guarded by "if COMPILE_TEST" so the symbol becomes
directly selectable when COMPILE_TEST is set.

Also add an explicit "depends on SPI" since the ad_sigma_delta library
directly calls SPI core symbols such as spi_bus_lock(), spi_bus_unlock(),
and spi_sync_locked().

Signed-off-by: Radu Sabau <radu.sabau@analog.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

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Radu Sabau 2026-06-08 12:02:54 +03:00 • committed by Jonathan Cameron

parent 8a4eb07a93

commit c2d11f5cc2

1 changed files with 2 additions and 1 deletions

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drivers/iio/adc/Kconfig

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