diff options
Diffstat (limited to 'Documentation/usb')
| -rw-r--r-- | Documentation/usb/gadget-testing.rst | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/Documentation/usb/gadget-testing.rst b/Documentation/usb/gadget-testing.rst index 272e51f17f54..d6253f1a32a1 100644 --- a/Documentation/usb/gadget-testing.rst +++ b/Documentation/usb/gadget-testing.rst @@ -915,14 +915,24 @@ The function name to use when creating the function directory is "uac1". The uac1 function provides these attributes in its function directory: ========== ==================================================== - c_chmask capture channel mask - c_srate capture sampling rate - c_ssize capture sample size (bytes) - p_chmask playback channel mask - p_srate playback sampling rate - p_ssize playback sample size (bytes) - req_number the number of pre-allocated request for both capture - and playback + c_chmask capture channel mask + c_srate capture sampling rate + c_ssize capture sample size (bytes) + c_mute_present capture mute control enable + c_volume_present capture volume control enable + 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) + p_chmask playback channel mask + p_srate playback sampling rate + 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) + req_number the number of pre-allocated request for both capture + and playback ========== ==================================================== The attributes have sane default values. |