Messages in this thread Patch in this message | | | From | Gergő Köteles <> | Subject | [RFC PATCH 2/2] media: v4l2: map UVC_CT_ROLL_ABSOLUTE_CONTROL | Date | Thu, 3 Aug 2023 23:28:58 +0200 |
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Logitech Streamcam can be mounted in 'portrait mode' as well. It reports the current roll (-90, 0, 90, 180) with UVC_CT_ROLL_ABSOLUTE_CONTROL.
Map UVC_CT_ROLL_ABSOLUTE_CONTROL to V4L2_CID_ROLL_ABSOLUTE to make it available to userspace.
Signed-off-by: Gergő Köteles <soyer@irl.hu> --- drivers/media/usb/uvc/uvc_ctrl.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 5e9d3da862dd..2801a1ee04a2 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -748,6 +748,15 @@ static const struct uvc_control_mapping uvc_ctrl_mappings[] = { .v4l2_type = V4L2_CTRL_TYPE_BOOLEAN, .data_type = UVC_CTRL_DATA_TYPE_BOOLEAN, }, + { + .id = V4L2_CID_ROLL_ABSOLUTE, + .entity = UVC_GUID_UVC_CAMERA, + .selector = UVC_CT_ROLL_ABSOLUTE_CONTROL, + .size = 16, + .offset = 0, + .v4l2_type = V4L2_CTRL_TYPE_INTEGER, + .data_type = UVC_CTRL_DATA_TYPE_SIGNED, + }, }; const struct uvc_control_mapping uvc_ctrl_power_line_mapping_limited = { -- 2.41.0
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