Messages in this thread | | | Date | Wed, 12 Apr 2023 14:50:18 +0300 | From | Sakari Ailus <> | Subject | Re: [libcamera-devel] [PATCH RFC 1/4] media: v4l2-ctrls: add lens group status controls for zoom and focus |
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Hi Michael,
On Wed, Apr 12, 2023 at 10:00:26AM +0200, Michael Riesch wrote: > - Different controls: If moving = (V4L2_CID_FOCUS_ABSOLUTE == current), > then what happens if the application performs a > V4L2_CID_FOCUS_RELATIVE with -3? current should reach 39, > V4L2_CID_FOCUS_ABSOLUTE is still at 42, the lens is still moving from > the application's point of view.
Would there be a reason to implement both of these controls in a single driver? AFAIU, the relative one should be used if there absolute value isn't known to the driver.
-- Kind regards,
Sakari Ailus
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