diff options
-rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-dv-timings-cap.xml | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-dv-timings-cap.xml b/Documentation/DocBook/media/v4l/vidioc-dv-timings-cap.xml index 6673ce582050..cd7720d404ea 100644 --- a/Documentation/DocBook/media/v4l/vidioc-dv-timings-cap.xml +++ b/Documentation/DocBook/media/v4l/vidioc-dv-timings-cap.xml | |||
@@ -54,15 +54,9 @@ | |||
54 | interface and may change in the future.</para> | 54 | interface and may change in the future.</para> |
55 | </note> | 55 | </note> |
56 | 56 | ||
57 | <para>To query the available timings, applications initialize the | 57 | <para>To query the capabilities of the DV receiver/transmitter applications can call |
58 | <structfield>index</structfield> field and zero the reserved array of &v4l2-dv-timings-cap; | 58 | this ioctl and the driver will fill in the structure. Note that drivers may return |
59 | and call the <constant>VIDIOC_DV_TIMINGS_CAP</constant> ioctl with a pointer to this | 59 | different values after switching the video input or output.</para> |
60 | structure. Drivers fill the rest of the structure or return an | ||
61 | &EINVAL; when the index is out of bounds. To enumerate all supported DV timings, | ||
62 | applications shall begin at index zero, incrementing by one until the | ||
63 | driver returns <errorcode>EINVAL</errorcode>. Note that drivers may enumerate a | ||
64 | different set of DV timings after switching the video input or | ||
65 | output.</para> | ||
66 | 60 | ||
67 | <table pgwide="1" frame="none" id="v4l2-bt-timings-cap"> | 61 | <table pgwide="1" frame="none" id="v4l2-bt-timings-cap"> |
68 | <title>struct <structname>v4l2_bt_timings_cap</structname></title> | 62 | <title>struct <structname>v4l2_bt_timings_cap</structname></title> |
@@ -115,7 +109,7 @@ output.</para> | |||
115 | <row> | 109 | <row> |
116 | <entry>__u32</entry> | 110 | <entry>__u32</entry> |
117 | <entry><structfield>reserved</structfield>[16]</entry> | 111 | <entry><structfield>reserved</structfield>[16]</entry> |
118 | <entry></entry> | 112 | <entry>Reserved for future extensions. Drivers must set the array to zero.</entry> |
119 | </row> | 113 | </row> |
120 | </tbody> | 114 | </tbody> |
121 | </tgroup> | 115 | </tgroup> |