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From: Beniamin Bia <beniamin.bia@analog.com>
To: <jic23@kernel.org>
Cc: <lars@metafoo.de>, <Michael.Hennerich@analog.com>,
	<pmeerw@pmeerw.net>, <linux-iio@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <biabeniamin@outlook.com>,
	<knaack.h@gmx.de>, <robh+dt@kernel.org>, <mark.rutland@arm.com>,
	<devicetree@vger.kernel.org>,
	Beniamin Bia <beniamin.bia@analog.com>
Subject: [PATCH v4 2/5] iio: amplifiers: ad8366: Add write_raw_get_fmt function
Date: Wed, 29 Jan 2020 16:22:58 +0200	[thread overview]
Message-ID: <20200129142301.13918-3-beniamin.bia@analog.com> (raw)
In-Reply-To: <20200129142301.13918-1-beniamin.bia@analog.com>

This patch add write_raw_get_fmt function to specify conversion for
hardware gain.

Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
---
 drivers/iio/amplifiers/ad8366.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/iio/amplifiers/ad8366.c b/drivers/iio/amplifiers/ad8366.c
index 0176d3d8cc9c..95972ab60f42 100644
--- a/drivers/iio/amplifiers/ad8366.c
+++ b/drivers/iio/amplifiers/ad8366.c
@@ -180,9 +180,22 @@ static int ad8366_write_raw(struct iio_dev *indio_dev,
 	return ret;
 }
 
+static int ad8366_write_raw_get_fmt(struct iio_dev *indio_dev,
+				    struct iio_chan_spec const *chan,
+				    long mask)
+{
+	switch (mask) {
+	case IIO_CHAN_INFO_HARDWAREGAIN:
+		return IIO_VAL_INT_PLUS_MICRO_DB;
+	default:
+		return -EINVAL;
+	}
+}
+
 static const struct iio_info ad8366_info = {
 	.read_raw = &ad8366_read_raw,
 	.write_raw = &ad8366_write_raw,
+	.write_raw_get_fmt = &ad8366_write_raw_get_fmt,
 };
 
 #define AD8366_CHAN(_channel) {				\
-- 
2.17.1


  parent reply	other threads:[~2020-01-29 14:21 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-29 14:22 [PATCH v4 0/5] Add hmc425a support Beniamin Bia
2020-01-29 14:22 ` [PATCH v4 1/5] iio: core: Handle 'dB' suffix in core Beniamin Bia
2020-02-02 10:41   ` Jonathan Cameron
2020-01-29 14:22 ` Beniamin Bia [this message]
2020-01-29 14:22 ` [PATCH v4 3/5] iio: amplifiers: hmc425a: Add support for HMC425A attenuator Beniamin Bia
2020-02-02 10:52   ` Jonathan Cameron
2020-01-29 14:23 ` [PATCH v4 4/5] dt-bindings: iio: amplifiers: Add docs for HMC425A Step Attenuator Beniamin Bia
2020-02-02 10:53   ` Jonathan Cameron
2020-02-03 11:25     ` Ardelean, Alexandru
2020-02-06 10:26       ` Jonathan Cameron
2020-02-06 17:35   ` Rob Herring
2020-01-29 14:23 ` [PATCH v4 5/5] MAINTAINERS: add entry for hmc425a driver Beniamin Bia
2020-02-03 10:25   ` Andy Shevchenko

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