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 v5 2/5] iio: amplifiers: ad8366: Add write_raw_get_fmt function
Date: Thu, 6 Feb 2020 17:11:46 +0200 [thread overview]
Message-ID: <20200206151149.32122-2-beniamin.bia@analog.com> (raw)
In-Reply-To: <20200206151149.32122-1-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>
---
Changes in v5:
-nothing changed
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
next prev parent reply other threads:[~2020-02-06 15:10 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-06 15:11 [PATCH v5 1/5] iio: core: Handle 'dB' suffix in core Beniamin Bia
2020-02-06 15:11 ` Beniamin Bia [this message]
2020-02-14 14:05 ` [PATCH v5 2/5] iio: amplifiers: ad8366: Add write_raw_get_fmt function Jonathan Cameron
2020-02-06 15:11 ` [PATCH v5 3/5] iio: amplifiers: hmc425a: Add support for HMC425A attenuator Beniamin Bia
2020-02-14 14:09 ` Jonathan Cameron
2020-02-20 12:32 ` Bia, Beniamin
2020-03-08 17:31 ` Jonathan Cameron
2020-02-06 15:11 ` [PATCH v5 4/5] dt-bindings: iio: amplifiers: Add docs for HMC425A Step Attenuator Beniamin Bia
2020-02-06 21:34 ` Rob Herring
2020-02-14 14:14 ` Jonathan Cameron
2020-02-06 15:11 ` [PATCH v5 5/5] MAINTAINERS: add entry for hmc425a driver Beniamin Bia
2020-02-14 14:14 ` Jonathan Cameron
2020-02-14 14:04 ` [PATCH v5 1/5] iio: core: Handle 'dB' suffix in core Jonathan Cameron
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