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iio: adc: ad799x: add reference voltage to ad7994

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AD7994 supports external reference voltage on REFIN
pin so if a vref-supply has been defined it shall be
used.

Signed-off-by: Stefano Manni <stefano.manni@gmail.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250807074850.130831-3-stefano.manni@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Stefano Manni 2025-08-07 09:48:50 +02:00 committed by Jonathan Cameron
parent ed187a201b
commit b515c701bb
1 changed files with 1 additions and 0 deletions
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drivers/iio/adc/ad799x.c
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@ -692,6 +692,7 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
},
[ad7994] = {
.num_channels = 5,
.has_vref = true,
.noirq_config = {
.channel = {
AD799X_CHANNEL(0, 12),