linux-kernel - [PATCH v2 2/2] iio: adc: ad799x: add reference voltage to ad7994

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Message-ID: <20250807074850.130831-3-stefano.manni@gmail.com>
Date: Thu,  7 Aug 2025 09:48:50 +0200
From: Stefano Manni <stefano.manni@...il.com>
To: lars@...afoo.de,
	Michael.Hennerich@...log.com,
	jic23@...nel.org,
	dlechner@...libre.com,
	nuno.sa@...log.com,
	andy@...nel.org
Cc: linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Stefano Manni <stefano.manni@...il.com>
Subject: [PATCH v2 2/2] iio: adc: ad799x: add reference voltage to ad7994

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@...il.com>
---
 drivers/iio/adc/ad799x.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c
index f645995b0929..108bb22162ef 100644
--- a/drivers/iio/adc/ad799x.c
+++ b/drivers/iio/adc/ad799x.c
@@ -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),
-- 
2.48.1