diff options
| -rw-r--r-- | src/drivers/lsm303d/lsm303d.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/drivers/lsm303d/lsm303d.cpp b/src/drivers/lsm303d/lsm303d.cpp index 85ad74fdb..b5f01b942 100644 --- a/src/drivers/lsm303d/lsm303d.cpp +++ b/src/drivers/lsm303d/lsm303d.cpp @@ -1067,7 +1067,10 @@ LSM303D::mag_ioctl(struct file *filp, int cmd, unsigned long arg) return mag_self_test(); case MAGIOCGEXTERNAL: - /* no external mag board yet */ + /* Even if this sensor is on the "external" SPI bus + * it is still fixed to the autopilot assembly, + * so always return 0. + */ return 0; default: |