1 What: /config/usb-gadget/gadget/func 1 What: /config/usb-gadget/gadget/functions/uac1.name
2 Date: June 2017 2 Date: June 2017
3 KernelVersion: 4.14 3 KernelVersion: 4.14
4 Description: 4 Description:
5 The attributes: 5 The attributes:
6 6
7 ===================== ====== 7 ===================== =======================================
8 c_chmask captur 8 c_chmask capture channel mask
9 c_srate list o 9 c_srate list of capture sampling rates (comma-separated)
10 c_ssize captur 10 c_ssize capture sample size (bytes)
11 c_mute_present captur 11 c_mute_present capture mute control enable
12 c_volume_present captur 12 c_volume_present capture volume control enable
13 c_volume_min captur 13 c_volume_min capture volume control min value
14 (in 1/ 14 (in 1/256 dB)
15 c_volume_max captur 15 c_volume_max capture volume control max value
16 (in 1/ 16 (in 1/256 dB)
17 c_volume_res captur 17 c_volume_res capture volume control resolution
18 (in 1/ 18 (in 1/256 dB)
19 p_chmask playba 19 p_chmask playback channel mask
20 p_srate list o 20 p_srate list of playback sampling rates (comma-separated)
21 p_ssize playba 21 p_ssize playback sample size (bytes)
22 p_mute_present playba 22 p_mute_present playback mute control enable
23 p_volume_present playba 23 p_volume_present playback volume control enable
24 p_volume_min playba 24 p_volume_min playback volume control min value
25 (in 1/ 25 (in 1/256 dB)
26 p_volume_max playba 26 p_volume_max playback volume control max value
27 (in 1/ 27 (in 1/256 dB)
28 p_volume_res playba 28 p_volume_res playback volume control resolution
29 (in 1/ 29 (in 1/256 dB)
30 req_number the nu 30 req_number the number of pre-allocated requests
31 for bo 31 for both capture and playback
32 function_name name o 32 function_name name of the interface
33 p_it_name playba 33 p_it_name playback input terminal name
34 p_it_ch_name playba 34 p_it_ch_name playback channels name
35 p_ot_name playba 35 p_ot_name playback output terminal name
36 p_fu_vol_name playba 36 p_fu_vol_name playback mute/volume functional unit name
37 c_it_name captur 37 c_it_name capture input terminal name
38 c_it_ch_name captur 38 c_it_ch_name capture channels name
39 c_ot_name captur 39 c_ot_name capture output terminal name
40 c_fu_vol_name captur 40 c_fu_vol_name capture mute/volume functional unit name
41 ===================== ====== 41 ===================== =======================================
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