Symbol: UAC1_DEF_MUTE_PRESENT
drivers/usb/gadget/function/f_uac1.c
1768
opts->p_mute_present = UAC1_DEF_MUTE_PRESENT;
drivers/usb/gadget/function/f_uac1.c
1774
opts->c_mute_present = UAC1_DEF_MUTE_PRESENT;