Linux 6.7-rc7
[linux-modified.git] / Documentation / ABI / testing / configfs-usb-gadget-uac1
1 What:           /config/usb-gadget/gadget/functions/uac1.name
2 Date:           June 2017
3 KernelVersion:  4.14
4 Description:
5                 The attributes:
6
7                 =====================   =======================================
8                 c_chmask                capture channel mask
9                 c_srate                 list of capture sampling rates (comma-separated)
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
14                                         (in 1/256 dB)
15                 c_volume_max            capture volume control max value
16                                         (in 1/256 dB)
17                 c_volume_res            capture volume control resolution
18                                         (in 1/256 dB)
19                 p_chmask                playback channel mask
20                 p_srate                 list of playback sampling rates (comma-separated)
21                 p_ssize                 playback sample size (bytes)
22                 p_mute_present          playback mute control enable
23                 p_volume_present        playback volume control enable
24                 p_volume_min            playback volume control min value
25                                         (in 1/256 dB)
26                 p_volume_max            playback volume control max value
27                                         (in 1/256 dB)
28                 p_volume_res            playback volume control resolution
29                                         (in 1/256 dB)
30                 req_number              the number of pre-allocated requests
31                                         for both capture and playback
32                 function_name           name of the interface
33                 =====================   =======================================