From: "H. Nikolaus Schaller" <hns@goldelico.com>
To: Linus Walleij <linus.walleij@linaro.org>,
Jonathan Cameron <jic23@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
"H. Nikolaus Schaller" <hns@goldelico.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Charles Keepax <ckeepax@opensource.cirrus.com>,
Song Qiang <songqiang1304521@gmail.com>,
Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>,
Martin Kelly <mkelly@xevo.com>,
Jonathan Marek <jonathan@marek.ca>,
Brian Masney <masneyb@onstation.org>,
Stephan Gerhold <stephan@gerhold.net>
Cc: letux-kernel@openphoenux.org, Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v2 05/10] iio: gyro: bmg160: add mount matrix support
Date: Thu, 21 Feb 2019 18:02:50 +0100 [thread overview]
Message-ID: <49a4b6c13b1d293050ad11bcdeb35f2694428574.1550768574.git.hns@goldelico.com> (raw)
In-Reply-To: <cover.1550768574.git.hns@goldelico.com>
This patch allows to read a mount-matrix device tree
property and report to user-space or in-kernel iio
clients.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
---
drivers/iio/gyro/bmg160_core.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/iio/gyro/bmg160_core.c b/drivers/iio/gyro/bmg160_core.c
index 63ca31628a93..e7b38adee39a 100644
--- a/drivers/iio/gyro/bmg160_core.c
+++ b/drivers/iio/gyro/bmg160_core.c
@@ -102,6 +102,7 @@ struct bmg160_data {
struct regmap *regmap;
struct iio_trigger *dready_trig;
struct iio_trigger *motion_trig;
+ struct iio_mount_matrix orientation;
struct mutex mutex;
s16 buffer[8];
u32 dps_range;
@@ -794,6 +795,20 @@ static int bmg160_write_event_config(struct iio_dev *indio_dev,
return 0;
}
+static const struct iio_mount_matrix *
+bmg160_get_mount_matrix(const struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan)
+{
+ struct bmg160_data *data = iio_priv(indio_dev);
+
+ return &data->orientation;
+}
+
+static const struct iio_chan_spec_ext_info bmg160_ext_info[] = {
+ IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, bmg160_get_mount_matrix),
+ { }
+};
+
static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("100 200 400 1000 2000");
static IIO_CONST_ATTR(in_anglvel_scale_available,
@@ -831,6 +846,7 @@ static const struct iio_event_spec bmg160_event = {
.storagebits = 16, \
.endianness = IIO_LE, \
}, \
+ .ext_info = bmg160_ext_info, \
.event_spec = &bmg160_event, \
.num_event_specs = 1 \
}
@@ -1075,6 +1091,11 @@ int bmg160_core_probe(struct device *dev, struct regmap *regmap, int irq,
data->irq = irq;
data->regmap = regmap;
+ ret = iio_read_mount_matrix(dev, "mount-matrix",
+ &data->orientation);
+ if (ret)
+ return ret;
+
ret = bmg160_chip_init(data);
if (ret < 0)
return ret;
--
2.19.1
next prev parent reply other threads:[~2019-02-21 17:03 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-21 17:02 [PATCH v2 00/10] iio mount matrix - revitalize missing bindings documentation and provide code for bmc150, bmg160, bma180, itg3200, hmc584x H. Nikolaus Schaller
2019-02-21 17:02 ` [PATCH v2 01/10] iio: Allow to read mount matrix from ACPI H. Nikolaus Schaller
2019-03-03 14:59 ` Jonathan Cameron
2019-02-21 17:02 ` [PATCH v2 02/10] iio: document bindings for mounting matrices H. Nikolaus Schaller
2019-02-22 23:42 ` Rob Herring
2019-02-25 16:32 ` Jonathan Corbet
2019-02-25 18:24 ` Linus Walleij
2019-02-25 18:29 ` Jonathan Corbet
2019-02-25 19:38 ` Rob Herring
2019-03-03 15:19 ` Jonathan Cameron
2019-03-07 12:53 ` H. Nikolaus Schaller
2019-07-23 7:42 ` Linus Walleij
2019-07-23 9:46 ` H. Nikolaus Schaller
2019-07-28 7:50 ` Jonathan Cameron
2019-07-28 10:07 ` Linus Walleij
2019-07-23 15:39 ` Andy Shevchenko
2019-02-21 17:02 ` [PATCH v2 03/10] iio: accel: bmc150: add mount matrix support H. Nikolaus Schaller
2019-03-03 15:20 ` Jonathan Cameron
2019-02-21 17:02 ` [PATCH v2 04/10] iio: accel: bma180: " H. Nikolaus Schaller
2019-03-03 15:20 ` Jonathan Cameron
2019-02-21 17:02 ` H. Nikolaus Schaller [this message]
2019-03-03 15:21 ` [PATCH v2 05/10] iio: gyro: bmg160: " Jonathan Cameron
2019-02-21 17:02 ` [PATCH v2 06/10] iio: gyro: itg3200: " H. Nikolaus Schaller
2019-03-03 15:22 ` Jonathan Cameron
2019-02-21 17:02 ` [PATCH v2 07/10] iio: magnetometer: bmc150: " H. Nikolaus Schaller
2019-03-03 15:23 ` Jonathan Cameron
2019-02-21 17:02 ` [PATCH v2 08/10] iio: magnetometer: hmc5843: " H. Nikolaus Schaller
2019-03-03 15:24 ` Jonathan Cameron
2019-02-21 17:02 ` [PATCH v2 09/10] iio: mpu6050: improve code readability H. Nikolaus Schaller
2019-03-03 15:30 ` Jonathan Cameron
2019-02-21 17:02 ` [PATCH v2 10/10] iio: ak8975: " H. Nikolaus Schaller
2019-03-03 15:30 ` Jonathan Cameron
2019-02-22 14:48 ` [PATCH v2 00/10] iio mount matrix - revitalize missing bindings documentation and provide code for bmc150, bmg160, bma180, itg3200, hmc584x Andy Shevchenko
2019-03-03 15:32 ` Jonathan Cameron
2019-04-04 6:29 ` H. Nikolaus Schaller
2019-04-07 11:41 ` Jonathan Cameron
2019-02-22 16:24 ` Linus Walleij
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