media: Documentation: dv-timings.rst: explain basic approach

Explain how the DV Timings API and the V4L2_EVENT_SOURCE_CHANGE
event work together to handle video source changes.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Hans Verkuil 2023-09-07 10:54:31 +02:00
commit cab0c4e94c