iio: adc: aspeed: clear reference voltage bits before configuring vref

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Ensures the reference voltage bits are cleared in the ADC engine
control register before configuring the voltage reference. This
avoids potential misconfigurations caused by residual bits.

Fixes: 1b5ceb55fe ("iio: adc: aspeed: Support ast2600 adc.")
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Billy Tsai 2026-03-03 10:38:26 +08:00 • committed by Jonathan Cameron

parent 2f16809417

commit 7cf2f6ed8e

1 changed files with 1 additions and 0 deletions

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drivers/iio/adc/aspeed_adc.c

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