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| author | Anton V. Shokurov <shokurov.anton.v@yandex.ru> | 2015-10-18 19:01:26 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-12-18 15:21:34 -0200 |
| commit | 1ab8c3fc750321726313b222230343de897744b1 (patch) | |
| tree | 72987f1be44bf1af186205f98d6cca30a3a9ee2a /drivers/media/usb/uvc | |
| parent | f0b0faff78c2c2e8efe843de55405a1f0470b8c4 (diff) | |
| download | linux-1ab8c3fc750321726313b222230343de897744b1.tar.gz linux-1ab8c3fc750321726313b222230343de897744b1.tar.bz2 linux-1ab8c3fc750321726313b222230343de897744b1.zip | |
[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.c | 3 |
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, |