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-rw-r--r--sensors/k3dh.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sensors/k3dh.c b/sensors/k3dh.c
index 54fbfa3..955f33a 100644
--- a/sensors/k3dh.c
+++ b/sensors/k3dh.c
@@ -246,6 +246,9 @@ int k3dh_activate(struct smdk4210_sensors_handlers *handlers)
if (handlers == NULL || handlers->data == NULL)
return -EINVAL;
+ if (handlers->activated == 1)
+ return 0;
+
data = (struct k3dh_data *) handlers->data;
device_fd = data->device_fd;
@@ -277,6 +280,9 @@ int k3dh_deactivate(struct smdk4210_sensors_handlers *handlers)
if (handlers == NULL || handlers->data == NULL)
return -EINVAL;
+ if (handlers->activated == 0)
+ return 0;
+
data = (struct k3dh_data *) handlers->data;
device_fd = data->device_fd;