Symbol: UAC2_DEF_MUTE_PRESENT
drivers/usb/gadget/function/f_uac2.c
2212
opts->p_mute_present = UAC2_DEF_MUTE_PRESENT;
drivers/usb/gadget/function/f_uac2.c
2218
opts->c_mute_present = UAC2_DEF_MUTE_PRESENT;