sound: usxxx: cleanup chip field

The chip field is no longer needed.  Move those of its fields that are
actually used to the device structure itself.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c
index f96ab86..1879b72 100644
--- a/sound/usb/usx2y/usX2Yhwdep.c
+++ b/sound/usb/usx2y/usX2Yhwdep.c
@@ -114,7 +114,7 @@
 	struct usX2Ydev	*us428 = hw->private_data;
 	int id = -1;
 
-	switch (le16_to_cpu(us428->chip.dev->descriptor.idProduct)) {
+	switch (le16_to_cpu(us428->dev->descriptor.idProduct)) {
 	case USB_ID_US122:
 		id = USX2Y_TYPE_122;
 		break;
@@ -164,7 +164,7 @@
        		.type = QUIRK_MIDI_FIXED_ENDPOINT,
 		.data = &quirk_data_2
 	};
-	struct usb_device *dev = usX2Y(card)->chip.dev;
+	struct usb_device *dev = usX2Y(card)->dev;
 	struct usb_interface *iface = usb_ifnum_to_if(dev, 0);
 	struct snd_usb_audio_quirk *quirk =
 		le16_to_cpu(dev->descriptor.idProduct) == USB_ID_US428 ?
@@ -202,7 +202,7 @@
 	snd_printdd( "dsp_load %s\n", dsp->name);
 
 	if (access_ok(VERIFY_READ, dsp->image, dsp->length)) {
-		struct usb_device* dev = priv->chip.dev;
+		struct usb_device* dev = priv->dev;
 		char *buf;
 
 		buf = memdup_user(dsp->image, dsp->length);