| What: /config/usb-gadget/gadget/functions/uac1_legacy.name | |
| Date: Sep 2014 | |
| KernelVersion: 3.18 | |
| Description: | |
| The attributes: | |
| audio_buf_size - audio buffer size | |
| fn_cap - capture pcm device file name | |
| fn_cntl - control device file name | |
| fn_play - playback pcm device file name | |
| req_buf_size - ISO OUT endpoint request buffer size | |
| req_count - ISO OUT endpoint request count |