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100644 blob afe43fa5a6d7cac6901a5f1bc7c5043fc6d9fe6e	Makefile
040000 tree 5bf0d69e72599b51b85eff3d79ad1320b20c9dc8	bcm2835-audio
040000 tree 040709df12d34ca7e3970c2af1045c91046670f9	bcm2835-camera
040000 tree fe7bc18dc159af4b4434dfff9fe8c66a21e1a574	interface