diff options
Diffstat (limited to 'drivers/iio/gyro/itg3200_core.c')
| -rw-r--r-- | drivers/iio/gyro/itg3200_core.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/iio/gyro/itg3200_core.c b/drivers/iio/gyro/itg3200_core.c index 7adecb562c81..998fb8d66fe3 100644 --- a/drivers/iio/gyro/itg3200_core.c +++ b/drivers/iio/gyro/itg3200_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * itg3200_core.c -- support InvenSense ITG3200 * Digital 3-Axis Gyroscope driver @@ -6,10 +7,6 @@ * Copyright (c) 2011 Manuel Stahl <manuel.stahl@iis.fraunhofer.de> * Copyright (c) 2012 Thorsten Nowak <thorsten.nowak@iis.fraunhofer.de> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * TODO: * - Support digital low pass filter * - Support power management @@ -242,6 +239,20 @@ err_ret: return ret; } +static const struct iio_mount_matrix * +itg3200_get_mount_matrix(const struct iio_dev *indio_dev, + const struct iio_chan_spec *chan) +{ + struct itg3200 *data = iio_priv(indio_dev); + + return &data->orientation; +} + +static const struct iio_chan_spec_ext_info itg3200_ext_info[] = { + IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, itg3200_get_mount_matrix), + { } +}; + #define ITG3200_ST \ { .sign = 's', .realbits = 16, .storagebits = 16, .endianness = IIO_BE } @@ -255,6 +266,7 @@ err_ret: .address = ITG3200_REG_GYRO_ ## _mod ## OUT_H, \ .scan_index = ITG3200_SCAN_GYRO_ ## _mod, \ .scan_type = ITG3200_ST, \ + .ext_info = itg3200_ext_info, \ } static const struct iio_chan_spec itg3200_channels[] = { @@ -297,6 +309,11 @@ static int itg3200_probe(struct i2c_client *client, st = iio_priv(indio_dev); + ret = iio_read_mount_matrix(&client->dev, "mount-matrix", + &st->orientation); + if (ret) + return ret; + i2c_set_clientdata(client, indio_dev); st->i2c = client; |