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Diffstat (limited to 'Documentation/video4linux/v4l2-controls.txt')
-rw-r--r-- | Documentation/video4linux/v4l2-controls.txt | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/Documentation/video4linux/v4l2-controls.txt b/Documentation/video4linux/v4l2-controls.txt index 26aa0573933e..e2492a9d1027 100644 --- a/Documentation/video4linux/v4l2-controls.txt +++ b/Documentation/video4linux/v4l2-controls.txt | |||
@@ -666,27 +666,6 @@ a control of this type whenever the first control belonging to a new control | |||
666 | class is added. | 666 | class is added. |
667 | 667 | ||
668 | 668 | ||
669 | Differences from the Spec | ||
670 | ========================= | ||
671 | |||
672 | There are a few places where the framework acts slightly differently from the | ||
673 | V4L2 Specification. Those differences are described in this section. We will | ||
674 | have to see whether we need to adjust the spec or not. | ||
675 | |||
676 | 1) It is no longer required to have all controls contained in a | ||
677 | v4l2_ext_control array be from the same control class. The framework will be | ||
678 | able to handle any type of control in the array. You need to set ctrl_class | ||
679 | to 0 in order to enable this. If ctrl_class is non-zero, then it will still | ||
680 | check that all controls belong to that control class. | ||
681 | |||
682 | If you set ctrl_class to 0 and count to 0, then it will only return an error | ||
683 | if there are no controls at all. | ||
684 | |||
685 | 2) Clarified the way error_idx works. For get and set it will be equal to | ||
686 | count if nothing was done yet. If it is less than count then only the controls | ||
687 | up to error_idx-1 were successfully applied. | ||
688 | |||
689 | |||
690 | Proposals for Extensions | 669 | Proposals for Extensions |
691 | ======================== | 670 | ======================== |
692 | 671 | ||