diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c
index 0488eba051e9c01abfbd749d286158e47f72ab40..93335000c51e6a04ed96bc81ef7230308f77b3a9 100644
--- a/sound/isa/es18xx.c
+++ b/sound/isa/es18xx.c
@@ -148,7 +148,7 @@ struct snd_audiodrive {
 #define ES18XX_DUPLEX_SAME 0x0010	/* Playback and record must share the same rate */
 #define ES18XX_NEW_RATE	0x0020	/* More precise rate setting */
 #define ES18XX_AUXB	0x0040	/* AuxB mixer control */
-#define ES18XX_HWV	0x0080	/* Has hardware volume */
+#define ES18XX_HWV	0x0080	/* Has seperate hardware volume mixer controls*/
 #define ES18XX_MONO	0x0100	/* Mono_in mixer control */
 #define ES18XX_I2S	0x0200	/* I2S mixer control */
 #define ES18XX_MUTEREC	0x0400	/* Record source can be muted */
@@ -788,9 +788,12 @@ static irqreturn_t snd_es18xx_interrupt(int irq, void *dev_id, struct pt_regs *r
 
 	/* Hardware volume */
 	if (status & HWV_IRQ) {
-		int split = snd_es18xx_mixer_read(chip, 0x64) & 0x80;
-		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hw_switch->id);
-		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hw_volume->id);
+		int split = 0;
+		if (chip->caps & ES18XX_HWV) {
+			split = snd_es18xx_mixer_read(chip, 0x64) & 0x80;
+			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hw_switch->id);
+			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hw_volume->id);
+		}
 		if (!split) {
 			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->master_switch->id);
 			snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->master_volume->id);
@@ -1614,22 +1617,22 @@ static int __devinit snd_es18xx_probe(struct snd_es18xx *chip)
 
 	switch (chip->version) {
 	case 0x1868:
-		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_CONTROL | ES18XX_HWV;
+		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_CONTROL;
 		break;
 	case 0x1869:
 		chip->caps = ES18XX_PCM2 | ES18XX_SPATIALIZER | ES18XX_RECMIX | ES18XX_NEW_RATE | ES18XX_AUXB | ES18XX_MONO | ES18XX_MUTEREC | ES18XX_CONTROL | ES18XX_HWV;
 		break;
 	case 0x1878:
-		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_I2S | ES18XX_CONTROL | ES18XX_HWV;
+		chip->caps = ES18XX_DUPLEX_MONO | ES18XX_DUPLEX_SAME | ES18XX_I2S | ES18XX_CONTROL;
 		break;
 	case 0x1879:
 		chip->caps = ES18XX_PCM2 | ES18XX_SPATIALIZER | ES18XX_RECMIX | ES18XX_NEW_RATE | ES18XX_AUXB | ES18XX_I2S | ES18XX_CONTROL | ES18XX_HWV;
 		break;
 	case 0x1887:
-		chip->caps = ES18XX_PCM2 | ES18XX_RECMIX | ES18XX_AUXB | ES18XX_DUPLEX_SAME | ES18XX_HWV;
+		chip->caps = ES18XX_PCM2 | ES18XX_RECMIX | ES18XX_AUXB | ES18XX_DUPLEX_SAME;
 		break;
 	case 0x1888:
-		chip->caps = ES18XX_PCM2 | ES18XX_RECMIX | ES18XX_AUXB | ES18XX_DUPLEX_SAME | ES18XX_HWV;
+		chip->caps = ES18XX_PCM2 | ES18XX_RECMIX | ES18XX_AUXB | ES18XX_DUPLEX_SAME;
 		break;
 	default:
 		snd_printk(KERN_ERR "[0x%lx] unsupported chip ES%x\n",