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-rw-r--r--Documentation/usb/gadget-testing.rst12
1 files changed, 8 insertions, 4 deletions
diff --git a/Documentation/usb/gadget-testing.rst b/Documentation/usb/gadget-testing.rst
index cbbd948c626f..c6d034abce3a 100644
--- a/Documentation/usb/gadget-testing.rst
+++ b/Documentation/usb/gadget-testing.rst
@@ -726,7 +726,7 @@ The uac2 function provides these attributes in its function directory:
================ ====================================================
c_chmask capture channel mask
- c_srate capture sampling rate
+ c_srate list of capture sampling rates (comma-separated)
c_ssize capture sample size (bytes)
c_sync capture synchronization type (async/adaptive)
c_mute_present capture mute control enable
@@ -734,17 +734,20 @@ The uac2 function provides these attributes in its function directory:
c_volume_min capture volume control min value (in 1/256 dB)
c_volume_max capture volume control max value (in 1/256 dB)
c_volume_res capture volume control resolution (in 1/256 dB)
+ c_hs_bint capture bInterval for HS/SS (1-4: fixed, 0: auto)
fb_max maximum extra bandwidth in async mode
p_chmask playback channel mask
- p_srate playback sampling rate
+ p_srate list of playback sampling rates (comma-separated)
p_ssize playback sample size (bytes)
p_mute_present playback mute control enable
p_volume_present playback volume control enable
p_volume_min playback volume control min value (in 1/256 dB)
p_volume_max playback volume control max value (in 1/256 dB)
p_volume_res playback volume control resolution (in 1/256 dB)
+ p_hs_bint playback bInterval for HS/SS (1-4: fixed, 0: auto)
req_number the number of pre-allocated request for both capture
and playback
+ function_name name of the interface
================ ====================================================
The attributes have sane default values.
@@ -916,7 +919,7 @@ The uac1 function provides these attributes in its function directory:
================ ====================================================
c_chmask capture channel mask
- c_srate capture sampling rate
+ c_srate list of capture sampling rates (comma-separated)
c_ssize capture sample size (bytes)
c_mute_present capture mute control enable
c_volume_present capture volume control enable
@@ -924,7 +927,7 @@ The uac1 function provides these attributes in its function directory:
c_volume_max capture volume control max value (in 1/256 dB)
c_volume_res capture volume control resolution (in 1/256 dB)
p_chmask playback channel mask
- p_srate playback sampling rate
+ p_srate list of playback sampling rates (comma-separated)
p_ssize playback sample size (bytes)
p_mute_present playback mute control enable
p_volume_present playback volume control enable
@@ -933,6 +936,7 @@ The uac1 function provides these attributes in its function directory:
p_volume_res playback volume control resolution (in 1/256 dB)
req_number the number of pre-allocated requests for both capture
and playback
+ function_name name of the interface
================ ====================================================
The attributes have sane default values.