taglinefilesource code
mixdev526drivers/sound/sound_switch.cint             mixdev;
mixdev534drivers/sound/sound_switch.cmixdev = audio_devs[dev >> 4]->mixer_dev;
mixdev535drivers/sound/sound_switch.cif (mixdev < 0 || mixdev >= num_mixers)
mixdev537drivers/sound/sound_switch.creturn mixer_devs[mixdev]->ioctl (mixdev, cmd, arg);