spinlock_t reg_lock;
spinlock_t emu_lock;
spinlock_t voice_lock;
+ spinlock_t spi_lock; /* serialises access to spi port */
+ spinlock_t i2c_lock; /* serialises access to i2c port */
struct snd_emu10k1_voice voices[NUM_G];
struct snd_emu10k1_voice p16v_voices[4];