diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 909f1c1..d6ec9ee 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6197,7 +6197,6 @@
 	SND_PCI_QUIRK(0x1043, 0x817f, "Asus P5LD2", ALC882_6ST_DIG),
 	SND_PCI_QUIRK(0x1043, 0x81d8, "Asus P5WD", ALC882_6ST_DIG),
 	SND_PCI_QUIRK(0x105b, 0x6668, "Foxconn", ALC882_6ST_DIG),
-	SND_PCI_QUIRK(0x106b, 0x00a0, "Apple iMac 24''", ALC885_IMAC24),
 	SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte P35 DS3R", ALC882_6ST_DIG),
 	SND_PCI_QUIRK(0x1462, 0x28fb, "Targa T8", ALC882_TARGA), /* MSI-1049 T8  */
 	SND_PCI_QUIRK(0x1462, 0x6668, "MSI", ALC882_6ST_DIG),
diff --git a/sound/pci/oxygen/hifier.c b/sound/pci/oxygen/hifier.c
index 7442460..dad393a 100644
--- a/sound/pci/oxygen/hifier.c
+++ b/sound/pci/oxygen/hifier.c
@@ -17,6 +17,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
+#include <linux/delay.h>
 #include <linux/pci.h>
 #include <sound/control.h>
 #include <sound/core.h>
@@ -107,6 +108,9 @@
 	else
 		value |= AK4396_DFS_QUAD;
 	data->ak4396_ctl2 = value;
+
+	msleep(1); /* wait for the new MCLK to become stable */
+
 	ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB);
 	ak4396_write(chip, AK4396_CONTROL_2, value);
 	ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c
index 7c8ae31..c5829d3 100644
--- a/sound/pci/oxygen/oxygen.c
+++ b/sound/pci/oxygen/oxygen.c
@@ -28,6 +28,7 @@
  * GPIO 1 -> DFS1 of AK5385
  */
 
+#include <linux/delay.h>
 #include <linux/mutex.h>
 #include <linux/pci.h>
 #include <sound/ac97_codec.h>
@@ -213,6 +214,9 @@
 	else
 		value |= AK4396_DFS_QUAD;
 	data->ak4396_ctl2 = value;
+
+	msleep(1); /* wait for the new MCLK to become stable */
+
 	for (i = 0; i < 4; ++i) {
 		ak4396_write(chip, i,
 			     AK4396_CONTROL_1, AK4396_DIF_24_MSB);