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Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/uvc/uvc_ctrl.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index 088437a5f60..f16aafe9cf1 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -837,7 +837,17 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev,
for (i = 0; i < entity->ncontrols; ++i) {
ctrl = &entity->controls[i];
- if (ctrl->info == NULL || !ctrl->dirty)
+ if (ctrl->info == NULL)
+ continue;
+
+ /* Reset the loaded flag for auto-update controls that were
+ * marked as loaded in uvc_ctrl_get/uvc_ctrl_set to prevent
+ * uvc_ctrl_get from using the cached value.
+ */
+ if (ctrl->info->flags & UVC_CONTROL_AUTO_UPDATE)
+ ctrl->loaded = 0;
+
+ if (!ctrl->dirty)
continue;
if (!rollback)
@@ -853,9 +863,6 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev,
uvc_ctrl_data(ctrl, UVC_CTRL_DATA_BACKUP),
ctrl->info->size);
- if ((ctrl->info->flags & UVC_CONTROL_GET_CUR) == 0)
- ctrl->loaded = 0;
-
ctrl->dirty = 0;
if (ret < 0)
@@ -913,8 +920,7 @@ int uvc_ctrl_get(struct uvc_video_device *video,
if (ret < 0)
return ret;
- if ((ctrl->info->flags & UVC_CONTROL_AUTO_UPDATE) == 0)
- ctrl->loaded = 1;
+ ctrl->loaded = 1;
}
xctrl->value = uvc_get_le_value(
@@ -965,8 +971,7 @@ int uvc_ctrl_set(struct uvc_video_device *video,
return ret;
}
- if ((ctrl->info->flags & UVC_CONTROL_AUTO_UPDATE) == 0)
- ctrl->loaded = 1;
+ ctrl->loaded = 1;
}
if (!ctrl->dirty) {