diff options
Diffstat (limited to 'drivers/iio/magnetometer')
| -rw-r--r-- | drivers/iio/magnetometer/ak8975.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 6915bd116e49..bf3ffc4ae5c7 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -399,6 +399,12 @@ static int ak8975_power_on(const struct ak8975_data *data) "Failed to enable specified Vid supply\n"); return ret; } + /* + * According to the datasheet the power supply rise time i 200us + * and the minimum wait time before mode setting is 100us, in + * total 300 us. Add some margin and say minimum 500us here. + */ + usleep_range(500, 1000); return 0; } |