1 What: /config/usb-gadget/gadget/functions/uac1.name
7 ========== ===================================
8 c_chmask capture channel mask
9 c_srate capture sampling rate
10 c_ssize capture sample size (bytes)
11 c_mute_present capture mute control enable
12 c_volume_present capture volume control enable
13 c_volume_min capture volume control min value (in 1/256 dB)
14 c_volume_max capture volume control max value (in 1/256 dB)
15 c_volume_res capture volume control resolution (in 1/256 dB)
16 p_chmask playback channel mask
17 p_srate playback sampling rate
18 p_ssize playback sample size (bytes)
19 p_mute_present playback mute control enable
20 p_volume_present playback volume control enable
21 p_volume_min playback volume control min value (in 1/256 dB)
22 p_volume_max playback volume control max value (in 1/256 dB)
23 p_volume_res playback volume control resolution (in 1/256 dB)
24 req_number the number of pre-allocated request
25 for both capture and playback
26 ========== ===================================