snd_mpu401_devices 50 sound/drivers/mpu401/mpu401.c static unsigned int snd_mpu401_devices; snd_mpu401_devices 190 sound/drivers/mpu401/mpu401.c snd_mpu401_devices++; snd_mpu401_devices 250 sound/drivers/mpu401/mpu401.c snd_mpu401_devices++; snd_mpu401_devices 256 sound/drivers/mpu401/mpu401.c if (!snd_mpu401_devices) {