From 1af587a5d42154a22a337a6e0d478835d12ac302 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 26 Aug 2009 16:55:17 -0300 Subject: v4l2-spec: Properly document the revision changes and use ≥ where applicable From: Mauro Carvalho Chehab Priority: normal Signed-off-by: Mauro Carvalho Chehab --- v4l2-spec/vidioc-queryctrl.sgml | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'v4l2-spec/vidioc-queryctrl.sgml') diff --git a/v4l2-spec/vidioc-queryctrl.sgml b/v4l2-spec/vidioc-queryctrl.sgml index 413930226..abf56b22e 100644 --- a/v4l2-spec/vidioc-queryctrl.sgml +++ b/v4l2-spec/vidioc-queryctrl.sgml @@ -306,15 +306,15 @@ and step size cannot be queried. V4L2_CTRL_TYPE_STRING - >=0 - >=1 - >=0 + ≥ 0 + ≥ 1 + ≥ 0 The minimum and maximum string lengths. The step size means that the string must be (minimum + N * step) characters long for -N >= 0. These lengths do not include the terminating zero, so in order to +N ≥ 0. These lengths do not include the terminating zero, so in order to pass a string of length 8 to &VIDIOC-S-EXT-CTRLS; you need to set the size field of &v4l2-ext-control; to 9. For &VIDIOC-G-EXT-CTRLS; you can -set the size field to maximum+1. +set the size field to maximum + 1. Which character encoding is used will depend on the string control itself and should be part of the control documentation. -- cgit v1.2.3