diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index 0d6e68c43e63..951e40d720d9 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1062,6 +1062,8 @@ struct snd_emu_chip_details {
 	unsigned char ac97_chip;    /* Has an AC97 chip: 1 = mandatory, 2 = optional */
 	unsigned char ecard;        /* APS EEPROM */
 	unsigned char emu1212m;     /* EMU 1212m card */
+	unsigned char spi_dac;      /* SPI interface for DAC */
+	unsigned char i2c_adc;      /* I2C interface for ADC */
 	const char *driver;
 	const char *name;
 	const char *id;		/* for backward compatibility - can be NULL if not needed */
@@ -1203,6 +1205,7 @@ unsigned int snd_emu10k1_ptr_read(struct snd_emu10k1 * emu, unsigned int reg, un
 void snd_emu10k1_ptr_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned int chn, unsigned int data);
 unsigned int snd_emu10k1_ptr20_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn);
 void snd_emu10k1_ptr20_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned int chn, unsigned int data);
+int snd_emu10k1_spi_write(struct snd_emu10k1 * emu, unsigned int data);
 unsigned int snd_emu10k1_efx_read(struct snd_emu10k1 *emu, unsigned int pc);
 void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb);
 void snd_emu10k1_intr_disable(struct snd_emu10k1 *emu, unsigned int intrenb);
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index f8e2ccd50d60..eb093700fa71 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -181,7 +181,32 @@ static int snd_emu10k1_init(struct snd_emu10k1 *emu, int enable_ir, int resume)
 		tmp = inl(emu->port + A_IOCFG) & ~0x8; /* Clear bit 3 */
 		outl(tmp, emu->port + A_IOCFG);
 	}
-
+	if (emu->card_capabilities->spi_dac) { /* Audigy 2 ZS Notebook with DAC Wolfson WM8768/WM8568 */
+		u32 tmp;
+		tmp = snd_emu10k1_spi_write(emu, 0x00ff);
+		tmp = snd_emu10k1_spi_write(emu, 0x02ff);
+		tmp = snd_emu10k1_spi_write(emu, 0x0400);
+		tmp = snd_emu10k1_spi_write(emu, 0x0520);
+		tmp = snd_emu10k1_spi_write(emu, 0x0600);
+		tmp = snd_emu10k1_spi_write(emu, 0x08ff);
+		tmp = snd_emu10k1_spi_write(emu, 0x0aff);
+		tmp = snd_emu10k1_spi_write(emu, 0x0cff);
+		tmp = snd_emu10k1_spi_write(emu, 0x0eff);
+		tmp = snd_emu10k1_spi_write(emu, 0x10ff);
+		tmp = snd_emu10k1_spi_write(emu, 0x1200);
+		tmp = snd_emu10k1_spi_write(emu, 0x1400);
+		tmp = snd_emu10k1_spi_write(emu, 0x1480);
+		tmp = snd_emu10k1_spi_write(emu, 0x1800);
+		tmp = snd_emu10k1_spi_write(emu, 0x1aff);
+		tmp = snd_emu10k1_spi_write(emu, 0x1cff);
+		tmp = snd_emu10k1_spi_write(emu, 0x1e00);
+		tmp = snd_emu10k1_spi_write(emu, 0x0530);
+		tmp = snd_emu10k1_spi_write(emu, 0x0602);
+		tmp = snd_emu10k1_spi_write(emu, 0x0622);
+		tmp = snd_emu10k1_spi_write(emu, 0x1400);
+		snd_emu10k1_ptr20_write(emu, 0x60, 0, 0x10);
+	}
+	
 	snd_emu10k1_ptr_write(emu, PTB, 0, emu->ptb_pages.addr);
 	snd_emu10k1_ptr_write(emu, TCB, 0, 0);	/* taken from original driver */
 	snd_emu10k1_ptr_write(emu, TCBS, 0, 4);	/* taken from original driver */
@@ -747,6 +772,7 @@ static struct snd_emu_chip_details emu_chip_details[] = {
 	 .emu10k2_chip = 1,
 	 .ca0108_chip = 1,
 	 .ca_cardbus_chip = 1,
+	 .spi_dac = 1,
 	 .spk71 = 1} ,
 	{.vendor = 0x1102, .device = 0x0008, 
 	 .driver = "Audigy2", .name = "Audigy 2 Value [Unknown]", 
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c
index 5d116dd7403b..7d0cb9db4280 100644
--- a/sound/pci/emu10k1/io.c
+++ b/sound/pci/emu10k1/io.c
@@ -29,6 +29,7 @@
 #include <linux/time.h>
 #include <sound/core.h>
 #include <sound/emu10k1.h>
+#include <linux/delay.h>
 
 unsigned int snd_emu10k1_ptr_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn)
 {
@@ -123,6 +124,41 @@ void snd_emu10k1_ptr20_write(struct snd_emu10k1 *emu,
 	spin_unlock_irqrestore(&emu->emu_lock, flags);
 }
 
+int snd_emu10k1_spi_write(struct snd_emu10k1 * emu,
+				   unsigned int data)
+{
+	unsigned int reset, set;
+	unsigned int reg, tmp;
+	int n, result;
+	if (emu->card_capabilities->ca0108_chip) {
+		reg=0x3c; /* PTR20, reg 0x3c */
+	} else {
+		return 1;  /* For other cards types the SPI register is currently unknown. */
+	}
+	if (data > 0xffff) return 1; /* Only 16bit values allowed */
+
+	tmp = snd_emu10k1_ptr20_read(emu, reg, 0);
+       	reset = (tmp & ~0x3ffff) | 0x20000; /* Set xxx20000 */
+	set = reset | 0x10000; /* Set xxx1xxxx */
+	snd_emu10k1_ptr20_write(emu, reg, 0, reset | data);
+	tmp = snd_emu10k1_ptr20_read(emu, reg, 0); /* write post */
+	snd_emu10k1_ptr20_write(emu, reg, 0, set | data);
+	result = 1;
+	/* Wait for status bit to return to 0 */
+	for (n=0;n<100;n++) {
+		udelay(10);
+		tmp = snd_emu10k1_ptr20_read(emu, reg, 0);
+		if (!(tmp & 0x10000)) {
+			result=0;
+			break;
+		}
+	}
+	if (result) return 1; /* Timed out */
+	snd_emu10k1_ptr20_write(emu, reg, 0, reset | data);
+	tmp = snd_emu10k1_ptr20_read(emu, reg, 0); /* Write post */
+	return 0;
+}
+
 void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb)
 {
 	unsigned long flags;