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([109.69.133.178]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-615a911567fsm8121712a12.61.2025.08.05.05.28.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Aug 2025 05:28:43 -0700 (PDT) From: Stefano Manni To: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Stefano Manni Subject: [PATCH] iio: adc: ad799x: add reference supply for ad7994 Date: Tue, 5 Aug 2025 16:24:23 +0200 Message-ID: <20250805142423.17710-1-stefano.manni@gmail.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" AD7994 supports the external reference voltage on pin REFIN. Signed-off-by: Stefano Manni --- drivers/iio/adc/ad799x.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c index 9c02f9199139..e5167dba925f 100644 --- a/drivers/iio/adc/ad799x.c +++ b/drivers/iio/adc/ad799x.c @@ -826,7 +826,8 @@ static int ad799x_probe(struct i2c_client *client) * Use external reference voltage if supported by hardware. * This is optional if voltage / regulator present, use VCC otherwise. */ - if ((st->id =3D=3D ad7991) || (st->id =3D=3D ad7995) || (st->id =3D=3D a= d7999)) { + if ((st->id =3D=3D ad7991) || (st->id =3D=3D ad7995) || (st->id =3D=3D a= d7999) + (st->id =3D=3D ad7994)) { dev_info(&client->dev, "Using external reference voltage\n"); extra_config |=3D AD7991_REF_SEL; ret =3D regulator_enable(st->vref); --=20 2.48.1