hc
2023-12-08 01573e231f18eb2d99162747186f59511f56b64d
kernel/Documentation/ABI/testing/configfs-usb-gadget-uac2
....@@ -4,9 +4,35 @@
44 Description:
55 The attributes:
66
7
- c_chmask - capture channel mask
8
- c_srate - capture sampling rate
9
- c_ssize - capture sample size (bytes)
10
- p_chmask - playback channel mask
11
- p_srate - playback sampling rate
12
- p_ssize - playback sample size (bytes)
7
+ ===================== =======================================
8
+ c_chmask capture channel mask
9
+ c_srate list of capture sampling rates (comma-separated)
10
+ c_ssize capture sample size (bytes)
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+ c_hs_bint capture bInterval for HS/SS (1-4: fixed, 0: auto)
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+ c_sync capture synchronization type
13
+ (async/adaptive)
14
+ c_mute_present capture mute control enable
15
+ c_volume_present capture volume control enable
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+ c_volume_min capture volume control min value
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+ (in 1/256 dB)
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+ c_volume_max capture volume control max value
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+ (in 1/256 dB)
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+ c_volume_res capture volume control resolution
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+ (in 1/256 dB)
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+ fb_max maximum extra bandwidth in async mode
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+ p_chmask playback channel mask
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+ p_srate list of playback sampling rates (comma-separated)
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+ p_ssize playback sample size (bytes)
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+ p_hs_bint playback bInterval for HS/SS (1-4: fixed, 0: auto)
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+ p_mute_present playback mute control enable
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+ p_volume_present playback volume control enable
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+ p_volume_min playback volume control min value
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+ (in 1/256 dB)
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+ p_volume_max playback volume control max value
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+ (in 1/256 dB)
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+ p_volume_res playback volume control resolution
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+ (in 1/256 dB)
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+ req_number the number of pre-allocated requests
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+ for both capture and playback
37
+ function_name name of the interface
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+ ===================== =======================================