18c2ecf20Sopenharmony_ciWhat:		/config/usb-gadget/gadget/functions/uac1_legacy.name
28c2ecf20Sopenharmony_ciDate:		Sep 2014
38c2ecf20Sopenharmony_ciKernelVersion:	3.18
48c2ecf20Sopenharmony_ciDescription:
58c2ecf20Sopenharmony_ci		The attributes:
68c2ecf20Sopenharmony_ci
78c2ecf20Sopenharmony_ci		audio_buf_size - audio buffer size
88c2ecf20Sopenharmony_ci		fn_cap - capture pcm device file name
98c2ecf20Sopenharmony_ci		fn_cntl - control device file name
108c2ecf20Sopenharmony_ci		fn_play - playback pcm device file name
118c2ecf20Sopenharmony_ci		req_buf_size - ISO OUT endpoint request buffer size
128c2ecf20Sopenharmony_ci		req_count - ISO OUT endpoint request count
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