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authorPaul Kocialkowski <contact@paulk.fr>2014-01-26 11:54:55 +0100
committerWolfgang Wiedmeyer <wolfgit@wiedmeyer.de>2017-06-07 01:26:48 +0200
commit8a7ed241f03ab7cf5dd88af34a8f35fc8cda87e5 (patch)
treed81496269475fe7b939fed50e28f0b7a331fb186
parentb2105ed1d5afdb12e03aac0f0898d778346f9e5c (diff)
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sensors: K3DH cannot be enabled or disabled twice in a row
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
-rw-r--r--sensors/k3dh.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sensors/k3dh.c b/sensors/k3dh.c
index aa80292..6335122 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;