diff options
Diffstat (limited to 'drivers/misc/m4sensorhub_fusion.c')
| -rw-r--r-- | drivers/misc/m4sensorhub_fusion.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/misc/m4sensorhub_fusion.c b/drivers/misc/m4sensorhub_fusion.c index 6984ce8f4cd..c1debaf2780 100644 --- a/drivers/misc/m4sensorhub_fusion.c +++ b/drivers/misc/m4sensorhub_fusion.c @@ -373,6 +373,9 @@ static void m4fus_panic_restore(struct m4sensorhub_data *m4sensorhub, __func__); return; } + + mutex_lock(&(dd->mutex)); + size = m4sensorhub_reg_getsize(dd->m4, M4SH_REG_FUSION_SAMPLERATE); err = m4sensorhub_reg_write(dd->m4, M4SH_REG_FUSION_SAMPLERATE, (char *)&dd->samplerate, m4sh_no_mask); @@ -382,6 +385,8 @@ static void m4fus_panic_restore(struct m4sensorhub_data *m4sensorhub, m4fus_err("%s: Wrote %d bytes instead of %d.\n", __func__, err, size); } + + mutex_unlock(&(dd->mutex)); } static int m4fus_driver_init(struct init_calldata *p_arg) |