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100644 blob afe43fa5a6d7cac6901a5f1bc7c5043fc6d9fe6e	Makefile
040000 tree 4e0c8e79b98e69e70a1357676f7f239dca06633f	bcm2835-audio
040000 tree 1ef4c07537501faa5835bf4e0f98a12e56a4c01a	bcm2835-camera
040000 tree c702d5b1ac1512a7641285bd51cc07b2e4ba4026	interface