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authorNiklas Söderlund <niklas.soderlund@ragnatech.se>2019-02-20 02:33:29 +0100
committerNiklas Söderlund <niklas.soderlund@ragnatech.se>2019-02-25 23:14:39 +0100
commit374c102073bf8712dc5433f778ca39f85bb97f9c (patch)
tree5bbe6f16b9d4815bfb350c0938a8dc8f0a62cb6c /test/v4l2_device
parent71e84c22dafbc45836c971f2154463ccf20077fc (diff)
cam: Improve when usage information is printed
Running the cam tool without any options results in the tool to exit with EXIT_FAILURE but no usage being printed, this is confusing. Improve this by also printing the usage text. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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