Symbol: STR_AS_OUT_IF_ALT1
drivers/usb/gadget/function/f_uac1.c
1259
strings_uac1[STR_AS_OUT_IF_ALT1].s = "Playback Active";
drivers/usb/gadget/function/f_uac1.c
1296
as_out_interface_alt_1_desc.iInterface = us[STR_AS_OUT_IF_ALT1].id;