Add support to read and present the mounting matrix on ST gyroscopes.
Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Cc: Denis Ciocca <denis.ciocca@xxxxxx>
Cc: Daniel Drake <drake@xxxxxxxxxxxx>
Cc: Stephan Gerhold <stephan@xxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
ChangeLog v1->v2:
- New patch because why not.
---
drivers/iio/gyro/st_gyro_core.c | 34 +++++++++++++++++++++++++++------
1 file changed, 28 insertions(+), 6 deletions(-)
diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c
index c8aa051995d3..bf06a531bed3 100644
--- a/drivers/iio/gyro/st_gyro_core.c
+++ b/drivers/iio/gyro/st_gyro_core.c
@@ -37,19 +37,36 @@
#define ST_GYRO_FS_AVL_500DPS 500
#define ST_GYRO_FS_AVL_2000DPS 2000
+static const struct iio_mount_matrix *
+st_gyro_get_mount_matrix(const struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan)
+{
+ struct st_sensor_data *gdata = iio_priv(indio_dev);
+
+ return &gdata->mount_matrix;
+}
+
+static const struct iio_chan_spec_ext_info st_gyro_mount_matrix_ext_info[] = {
+ IIO_MOUNT_MATRIX(IIO_SHARED_BY_ALL, st_gyro_get_mount_matrix),
+ { },
+};
+
static const struct iio_chan_spec st_gyro_16bit_channels[] = {
- ST_SENSORS_LSM_CHANNELS(IIO_ANGL_VEL,
+ ST_SENSORS_LSM_CHANNELS_EXT(IIO_ANGL_VEL,
BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
ST_SENSORS_SCAN_X, 1, IIO_MOD_X, 's', IIO_LE, 16, 16,
- ST_GYRO_DEFAULT_OUT_X_L_ADDR),
- ST_SENSORS_LSM_CHANNELS(IIO_ANGL_VEL,
+ ST_GYRO_DEFAULT_OUT_X_L_ADDR,
+ st_gyro_mount_matrix_ext_info),
+ ST_SENSORS_LSM_CHANNELS_EXT(IIO_ANGL_VEL,
BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
ST_SENSORS_SCAN_Y, 1, IIO_MOD_Y, 's', IIO_LE, 16, 16,
- ST_GYRO_DEFAULT_OUT_Y_L_ADDR),
- ST_SENSORS_LSM_CHANNELS(IIO_ANGL_VEL,
+ ST_GYRO_DEFAULT_OUT_Y_L_ADDR,
+ st_gyro_mount_matrix_ext_info),
+ ST_SENSORS_LSM_CHANNELS_EXT(IIO_ANGL_VEL,
BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
ST_SENSORS_SCAN_Z, 1, IIO_MOD_Z, 's', IIO_LE, 16, 16,
- ST_GYRO_DEFAULT_OUT_Z_L_ADDR),
+ ST_GYRO_DEFAULT_OUT_Z_L_ADDR,
+ st_gyro_mount_matrix_ext_info),
IIO_CHAN_SOFT_TIMESTAMP(3)
};
@@ -478,6 +495,11 @@ int st_gyro_common_probe(struct iio_dev *indio_dev)
indio_dev->channels = gdata->sensor_settings->ch;
indio_dev->num_channels = ST_SENSORS_NUMBER_ALL_CHANNELS;
+ err = iio_read_mount_matrix(gdata->dev, "mount-matrix",
+ &gdata->mount_matrix);
+ if (err)
+ goto st_gyro_power_off;
+
gdata->current_fullscale = &gdata->sensor_settings->fs.fs_avl[0];
gdata->odr = gdata->sensor_settings->odr.odr_avl[0].hz;
--
2.31.1
