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Subject: v4l2-ctl.h: add cv4l_disable_trace Author: Hans Verkuil <hans.verk...@cisco.com> Date: Mon Jun 25 14:59:21 2018 +0200 Add simple class that can disable tracing until the object is destroyed. Signed-off-by: Hans Verkuil <hans.verk...@cisco.com> utils/v4l2-ctl/v4l2-ctl.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) --- http://git.linuxtv.org/cgit.cgi/v4l-utils.git/commit/?id=d5908ad0d28bd4d3fe58f26b74b038a6344a22ed diff --git a/utils/v4l2-ctl/v4l2-ctl.h b/utils/v4l2-ctl/v4l2-ctl.h index c93f18e4c480..43976d1bfff9 100644 --- a/utils/v4l2-ctl/v4l2-ctl.h +++ b/utils/v4l2-ctl/v4l2-ctl.h @@ -26,6 +26,22 @@ #include "cv4l-helpers.h" +class cv4l_disable_trace { +public: + cv4l_disable_trace(cv4l_fd &fd) : _fd(fd) + { + old_trace = _fd.g_trace(); + _fd.s_trace(0); + } + ~cv4l_disable_trace() + { + _fd.s_trace(old_trace); + } +private: + cv4l_fd &_fd; + unsigned int old_trace; +}; + /* Available options. Please keep the first part (options < 128) in alphabetical order. _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
