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path: root/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c
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Diffstat (limited to 'drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c')
-rw-r--r--drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c
index 95ddd19d1aa7..947ca3a7dcaf 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c
@@ -88,6 +88,69 @@ static const struct st_lsm6dsx_ext_dev_settings st_lsm6dsx_ext_dev_table[] = {
.len = 6,
},
},
+ /* LIS3MDL */
+ {
+ .i2c_addr = { 0x1e },
+ .wai = {
+ .addr = 0x0f,
+ .val = 0x3d,
+ },
+ .id = ST_LSM6DSX_ID_MAGN,
+ .odr_table = {
+ .reg = {
+ .addr = 0x20,
+ .mask = GENMASK(4, 2),
+ },
+ .odr_avl[0] = { 1000, 0x0 },
+ .odr_avl[1] = { 2000, 0x1 },
+ .odr_avl[2] = { 3000, 0x2 },
+ .odr_avl[3] = { 5000, 0x3 },
+ .odr_avl[4] = { 10000, 0x4 },
+ .odr_avl[5] = { 20000, 0x5 },
+ .odr_avl[6] = { 40000, 0x6 },
+ .odr_avl[7] = { 80000, 0x7 },
+ .odr_len = 8,
+ },
+ .fs_table = {
+ .reg = {
+ .addr = 0x21,
+ .mask = GENMASK(6, 5),
+ },
+ .fs_avl[0] = {
+ .gain = 146,
+ .val = 0x00,
+ }, /* 4000 uG/LSB */
+ .fs_avl[1] = {
+ .gain = 292,
+ .val = 0x01,
+ }, /* 8000 uG/LSB */
+ .fs_avl[2] = {
+ .gain = 438,
+ .val = 0x02,
+ }, /* 12000 uG/LSB */
+ .fs_avl[3] = {
+ .gain = 584,
+ .val = 0x03,
+ }, /* 16000 uG/LSB */
+ .fs_len = 4,
+ },
+ .pwr_table = {
+ .reg = {
+ .addr = 0x22,
+ .mask = GENMASK(1, 0),
+ },
+ .off_val = 0x2,
+ .on_val = 0x0,
+ },
+ .bdu = {
+ .addr = 0x24,
+ .mask = BIT(6),
+ },
+ .out = {
+ .addr = 0x28,
+ .len = 6,
+ },
+ },
};
static void st_lsm6dsx_shub_wait_complete(struct st_lsm6dsx_hw *hw)
@@ -518,6 +581,36 @@ st_lsm6dsx_shub_read_raw(struct iio_dev *iio_dev,
}
static int
+st_lsm6dsx_shub_set_full_scale(struct st_lsm6dsx_sensor *sensor,
+ u32 gain)
+{
+ const struct st_lsm6dsx_fs_table_entry *fs_table;
+ int i, err;
+
+ fs_table = &sensor->ext_info.settings->fs_table;
+ if (!fs_table->reg.addr)
+ return -ENOTSUPP;
+
+ for (i = 0; i < fs_table->fs_len; i++) {
+ if (fs_table->fs_avl[i].gain == gain)
+ break;
+ }
+
+ if (i == fs_table->fs_len)
+ return -EINVAL;
+
+ err = st_lsm6dsx_shub_write_with_mask(sensor, fs_table->reg.addr,
+ fs_table->reg.mask,
+ fs_table->fs_avl[i].val);
+ if (err < 0)
+ return err;
+
+ sensor->gain = gain;
+
+ return 0;
+}
+
+static int
st_lsm6dsx_shub_write_raw(struct iio_dev *iio_dev,
struct iio_chan_spec const *chan,
int val, int val2, long mask)
@@ -539,6 +632,9 @@ st_lsm6dsx_shub_write_raw(struct iio_dev *iio_dev,
sensor->odr = val;
break;
}
+ case IIO_CHAN_INFO_SCALE:
+ err = st_lsm6dsx_shub_set_full_scale(sensor, val2);
+ break;
default:
err = -EINVAL;
break;