From 0c53fee973a9adfa4ad21433d397adae12b2120b Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Tue, 22 Mar 2016 07:30:28 -0300 Subject: [media] vidioc-enum-dv-timings.xml: explicitly state that pad and reserved should be zeroed The ENUM_DV_TIMINGS documentation did not clearly state that the pad and reserved fields should be zeroed (pad only when used with a video device node). Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- Documentation/DocBook/media/v4l/vidioc-enum-dv-timings.xml | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'Documentation/DocBook/media') diff --git a/Documentation/DocBook/media/v4l/vidioc-enum-dv-timings.xml b/Documentation/DocBook/media/v4l/vidioc-enum-dv-timings.xml index 6e3cadd4e1f9..70ca76d1e6d2 100644 --- a/Documentation/DocBook/media/v4l/vidioc-enum-dv-timings.xml +++ b/Documentation/DocBook/media/v4l/vidioc-enum-dv-timings.xml @@ -61,8 +61,9 @@ of known supported timings. Call &VIDIOC-DV-TIMINGS-CAP; to check if it also sup standards or even custom timings that are not in this list. To query the available timings, applications initialize the -index field and zero the reserved array of &v4l2-enum-dv-timings; -and call the VIDIOC_ENUM_DV_TIMINGS ioctl on a video node with a +index field, set the pad field to 0, +zero the reserved array of &v4l2-enum-dv-timings; and call the +VIDIOC_ENUM_DV_TIMINGS ioctl on a video node with a pointer to this structure. Drivers fill the rest of the structure or return an &EINVAL; when the index is out of bounds. To enumerate all supported DV timings, applications shall begin at index zero, incrementing by one until the -- cgit v1.2.3