diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c
index 63e7323..b481bb8 100644
--- a/sound/isa/es18xx.c
+++ b/sound/isa/es18xx.c
@@ -156,6 +156,7 @@
 #define ES18XX_I2S	0x0200	/* I2S mixer control */
 #define ES18XX_MUTEREC	0x0400	/* Record source can be muted */
 #define ES18XX_CONTROL	0x0800	/* Has control ports */
+#define ES18XX_GPO_2BIT	0x1000	/* GPO0,1 controlled by PM port */
 
 /* Power Management */
 #define ES18XX_PM	0x07
@@ -1120,11 +1121,14 @@
 		return snd_es18xx_read(chip, reg);
 }
 
-#define ES18XX_SINGLE(xname, xindex, reg, shift, mask, invert) \
+#define ES18XX_SINGLE(xname, xindex, reg, shift, mask, flags) \
 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
   .info = snd_es18xx_info_single, \
   .get = snd_es18xx_get_single, .put = snd_es18xx_put_single, \
-  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
+  .private_value = reg | (shift << 8) | (mask << 16) | (flags << 24) }
+
+#define ES18XX_FL_INVERT	(1 << 0)
+#define ES18XX_FL_PMPORT	(1 << 1)
 
 static int snd_es18xx_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 {
@@ -1143,10 +1147,14 @@
 	int reg = kcontrol->private_value & 0xff;
 	int shift = (kcontrol->private_value >> 8) & 0xff;
 	int mask = (kcontrol->private_value >> 16) & 0xff;
-	int invert = (kcontrol->private_value >> 24) & 0xff;
+	int invert = (kcontrol->private_value >> 24) & ES18XX_FL_INVERT;
+	int pm_port = (kcontrol->private_value >> 24) & ES18XX_FL_PMPORT;
 	int val;
-	
-	val = snd_es18xx_reg_read(chip, reg);
+
+	if (pm_port)
+		val = inb(chip->port + ES18XX_PM);
+	else
+		val = snd_es18xx_reg_read(chip, reg);
 	ucontrol->value.integer.value[0] = (val >> shift) & mask;
 	if (invert)
 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
@@ -1159,7 +1167,8 @@
 	int reg = kcontrol->private_value & 0xff;
 	int shift = (kcontrol->private_value >> 8) & 0xff;
 	int mask = (kcontrol->private_value >> 16) & 0xff;
-	int invert = (kcontrol->private_value >> 24) & 0xff;
+	int invert = (kcontrol->private_value >> 24) & ES18XX_FL_INVERT;
+	int pm_port = (kcontrol->private_value >> 24) & ES18XX_FL_PMPORT;
 	unsigned char val;
 	
 	val = (ucontrol->value.integer.value[0] & mask);
@@ -1167,6 +1176,15 @@
 		val = mask - val;
 	mask <<= shift;
 	val <<= shift;
+	if (pm_port) {
+		unsigned char cur = inb(chip->port + ES18XX_PM);
+
+		if ((cur & mask) == val)
+			return 0;
+		outb((cur & ~mask) | val, chip->port + ES18XX_PM);
+		return 1;
+	}
+
 	return snd_es18xx_reg_bits(chip, reg, mask, val) != val;
 }
 
@@ -1288,7 +1306,7 @@
 	ES18XX_SINGLE("Beep Playback Volume", 0, 0x3c, 0, 7, 0);
 
 static struct snd_kcontrol_new snd_es18xx_opt_1869[] = {
-ES18XX_SINGLE("Capture Switch", 0, 0x1c, 4, 1, 1),
+ES18XX_SINGLE("Capture Switch", 0, 0x1c, 4, 1, ES18XX_FL_INVERT),
 ES18XX_SINGLE("Video Playback Switch", 0, 0x7f, 0, 1, 0),
 ES18XX_DOUBLE("Mono Playback Volume", 0, 0x6d, 0x6d, 4, 0, 15, 0),
 ES18XX_DOUBLE("Mono Capture Volume", 0, 0x6f, 0x6f, 4, 0, 15, 0)
@@ -1347,6 +1365,11 @@
 ES18XX_SINGLE("Hardware Master Volume Split", 0, 0x64, 7, 1, 0),
 };
 
+static struct snd_kcontrol_new snd_es18xx_opt_gpo_2bit[] = {
+ES18XX_SINGLE("GPO0 Switch", 0, ES18XX_PM, 0, 1, ES18XX_FL_PMPORT),
+ES18XX_SINGLE("GPO1 Switch", 0, ES18XX_PM, 1, 1, ES18XX_FL_PMPORT),
+};
+
 static int snd_es18xx_config_read(struct snd_es18xx *chip, unsigned char reg)
 {
 	int data;
@@ -1613,10 +1636,10 @@
 
 	switch (chip->version) {
 	case 0x1868:
-		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_CONTROL;
+		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_CONTROL | ES18XX_GPO_2BIT;
 		break;
 	case 0x1869:
-		chip->caps = ES18XX_PCM2 | ES18XX_SPATIALIZER | ES18XX_RECMIX | ES18XX_NEW_RATE | ES18XX_AUXB | ES18XX_MONO | ES18XX_MUTEREC | ES18XX_CONTROL | ES18XX_HWV;
+		chip->caps = ES18XX_PCM2 | ES18XX_SPATIALIZER | ES18XX_RECMIX | ES18XX_NEW_RATE | ES18XX_AUXB | ES18XX_MONO | ES18XX_MUTEREC | ES18XX_CONTROL | ES18XX_HWV | ES18XX_GPO_2BIT;
 		break;
 	case 0x1878:
 		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_I2S | ES18XX_CONTROL;
@@ -1626,7 +1649,7 @@
 		break;
 	case 0x1887:
 	case 0x1888:
-		chip->caps = ES18XX_PCM2 | ES18XX_RECMIX | ES18XX_AUXB | ES18XX_DUPLEX_SAME;
+		chip->caps = ES18XX_PCM2 | ES18XX_RECMIX | ES18XX_AUXB | ES18XX_DUPLEX_SAME | ES18XX_GPO_2BIT;
 		break;
 	default:
 		snd_printk(KERN_ERR "[0x%lx] unsupported chip ES%x\n",
@@ -1928,6 +1951,15 @@
 				return err;
 		}
 	}
+	if (chip->caps & ES18XX_GPO_2BIT) {
+		for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_opt_gpo_2bit); idx++) {
+			err = snd_ctl_add(card,
+					  snd_ctl_new1(&snd_es18xx_opt_gpo_2bit[idx],
+						       chip));
+			if (err < 0)
+				return err;
+		}
+	}
 	return 0;
 }