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009905ec50
The subdev .s_stream() operation must not be called to start an already started subdev, or stop an already stopped one. This requirement has never been formally documented. Fix it, and catch possible offenders with a WARN_ON() in the call_s_stream() wrapper. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> |
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| linux | ||
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