diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2019-08-31 13:18:22 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2019-09-08 12:35:08 +0100 |
| commit | 85ae3aeedeccb6febb0c6f9d5346d9c6419ad925 (patch) | |
| tree | 96f5a792a6dc5610a800a122116616eaf6a7d770 /drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c | |
| parent | de10ac47597e7a3596b27631d0d5ce5f48d2c099 (diff) | |
| download | linux-85ae3aeedeccb6febb0c6f9d5346d9c6419ad925.tar.gz | |
iio: imu: st_lsm6dsx: forbid 0 sensor sensitivity
Do not allow configuring null sensor gain since it will force to 0
device outputs
Fixes: c8d4066c7246 ("iio: imu: st_lsm6dsx: remove invalid gain value for LSM9DS1")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c')
| -rw-r--r-- | drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c index 66fbcd94642d..f5fca2171954 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c @@ -61,6 +61,7 @@ static const struct st_lsm6dsx_ext_dev_settings st_lsm6dsx_ext_dev_table[] = { .gain = 1500, .val = 0x0, }, /* 1500 uG/LSB */ + .fs_len = 1, }, .temp_comp = { .addr = 0x60, @@ -555,13 +556,9 @@ static ssize_t st_lsm6dsx_shub_scale_avail(struct device *dev, int i, len = 0; settings = sensor->ext_info.settings; - for (i = 0; i < ST_LSM6DSX_FS_LIST_SIZE; i++) { - u16 val = settings->fs_table.fs_avl[i].gain; - - if (val > 0) - len += scnprintf(buf + len, PAGE_SIZE - len, "0.%06u ", - val); - } + for (i = 0; i < settings->fs_table.fs_len; i++) + len += scnprintf(buf + len, PAGE_SIZE - len, "0.%06u ", + settings->fs_table.fs_avl[i].gain); buf[len - 1] = '\n'; return len; |