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[92.34.204.253]) by smtp.gmail.com with ESMTPSA id r10sm168425lfe.110.2021.05.17.16.38.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 May 2021 16:38:50 -0700 (PDT) From: Linus Walleij To: Jonathan Cameron , linux-iio@vger.kernel.org Cc: Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Linus Walleij , Andy Shevchenko , Denis Ciocca , Daniel Drake , Stephan Gerhold Subject: [PATCH 5/5 v2] iio: gyro: st_gyro: Support mount matrix Date: Tue, 18 May 2021 01:33:22 +0200 Message-Id: <20210517233322.383043-5-linus.walleij@linaro.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210517233322.383043-1-linus.walleij@linaro.org> References: <20210517233322.383043-1-linus.walleij@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add support to read and present the mounting matrix on ST gyroscopes. Cc: Andy Shevchenko Cc: Denis Ciocca Cc: Daniel Drake Cc: Stephan Gerhold Signed-off-by: Linus Walleij --- 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;