From e1c5d708bfe0e4bc1a5ce3bded023c1908ec2e19 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Wed, 19 May 2021 01:07:22 +0200 Subject: [PATCH] iio: gyro: st_gyro: Support mount matrix Add support to read and present the mounting matrix on ST gyroscopes. Cc: Denis Ciocca Cc: Daniel Drake Cc: Stephan Gerhold Reviewed-by: Andy Shevchenko Signed-off-by: Linus Walleij Reviewed-by: Hans de Goede Link: https://lore.kernel.org/r/20210518230722.522446-5-linus.walleij@linaro.org Signed-off-by: Jonathan Cameron --- drivers/iio/gyro/st_gyro_core.c | 33 +++++++++++++++++++++++++++------ 1 file changed, 27 insertions(+), 6 deletions(-) diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c index ee3f0ea96ac5..b86ee4d940d9 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) }; @@ -479,6 +496,10 @@ 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, &gdata->mount_matrix); + if (err) + return err; + gdata->current_fullscale = &gdata->sensor_settings->fs.fs_avl[0]; gdata->odr = gdata->sensor_settings->odr.odr_avl[0].hz;