1*4882a593SmuzhiyunWhat: /config/usb-gadget/gadget/functions/uac1.name 2*4882a593SmuzhiyunDate: June 2017 3*4882a593SmuzhiyunKernelVersion: 4.14 4*4882a593SmuzhiyunDescription: 5*4882a593Smuzhiyun The attributes: 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun ===================== ======================================= 8*4882a593Smuzhiyun c_chmask capture channel mask 9*4882a593Smuzhiyun c_srate list of capture sampling rates (comma-separated) 10*4882a593Smuzhiyun c_ssize capture sample size (bytes) 11*4882a593Smuzhiyun c_mute_present capture mute control enable 12*4882a593Smuzhiyun c_volume_present capture volume control enable 13*4882a593Smuzhiyun c_volume_min capture volume control min value 14*4882a593Smuzhiyun (in 1/256 dB) 15*4882a593Smuzhiyun c_volume_max capture volume control max value 16*4882a593Smuzhiyun (in 1/256 dB) 17*4882a593Smuzhiyun c_volume_res capture volume control resolution 18*4882a593Smuzhiyun (in 1/256 dB) 19*4882a593Smuzhiyun p_chmask playback channel mask 20*4882a593Smuzhiyun p_srate list of playback sampling rates (comma-separated) 21*4882a593Smuzhiyun p_ssize playback sample size (bytes) 22*4882a593Smuzhiyun p_mute_present playback mute control enable 23*4882a593Smuzhiyun p_volume_present playback volume control enable 24*4882a593Smuzhiyun p_volume_min playback volume control min value 25*4882a593Smuzhiyun (in 1/256 dB) 26*4882a593Smuzhiyun p_volume_max playback volume control max value 27*4882a593Smuzhiyun (in 1/256 dB) 28*4882a593Smuzhiyun p_volume_res playback volume control resolution 29*4882a593Smuzhiyun (in 1/256 dB) 30*4882a593Smuzhiyun req_number the number of pre-allocated requests 31*4882a593Smuzhiyun for both capture and playback 32*4882a593Smuzhiyun function_name name of the interface 33*4882a593Smuzhiyun ===================== ======================================= 34