MAUDIO_SET_24B_48K_DI 1174 sound/usb/quirks.c if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) MAUDIO_SET_24B_48K_DI 1204 sound/usb/quirks.c if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)