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authorAnton V. Shokurov <shokurov.anton.v@yandex.ru>2015-10-18 19:01:26 -0200
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-12-18 15:21:34 -0200
commit1ab8c3fc750321726313b222230343de897744b1 (patch)
tree72987f1be44bf1af186205f98d6cca30a3a9ee2a /drivers/media/usb/uvc
parentf0b0faff78c2c2e8efe843de55405a1f0470b8c4 (diff)
[media] uvcvideo: Fix reading the current exposure value of UVC
V4L2_CID_EXPOSURE_ABSOLUTE property does not return an updated value when autoexposure (V4L2_CID_EXPOSURE_AUTO) is turned on. This patch fixes this issue by adding the UVC_CTRL_FLAG_AUTO_UPDATE flag. Tested on a C920 camera. Signed-off-by: Anton V. Shokurov <shokurov.anton.v@yandex.ru> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/usb/uvc')
-rw-r--r--drivers/media/usb/uvc/uvc_ctrl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index 3e59b288b8a8..c2ee6e39fd0c 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -227,7 +227,8 @@ static struct uvc_control_info uvc_ctrls[] = {
.size = 4,
.flags = UVC_CTRL_FLAG_SET_CUR
| UVC_CTRL_FLAG_GET_RANGE
- | UVC_CTRL_FLAG_RESTORE,
+ | UVC_CTRL_FLAG_RESTORE
+ | UVC_CTRL_FLAG_AUTO_UPDATE,
},
{
.entity = UVC_GUID_UVC_CAMERA,