ALSA: oxygen: show correct package ID

Instead of the hardcoded "CMI8788", show the actual chip name.

Note: This is neither what the chip is (it's always the same),
      nor what the chip is actually called.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c
index e581e7a..3078ed6 100644
--- a/sound/pci/oxygen/oxygen_lib.c
+++ b/sound/pci/oxygen/oxygen_lib.c
@@ -202,7 +202,13 @@
 	struct oxygen *chip = entry->private_data;
 	int i, j;
 
-	snd_iprintf(buffer, "CMI8788:\n");
+	switch (oxygen_read8(chip, OXYGEN_REVISION) & OXYGEN_PACKAGE_ID_MASK) {
+	case OXYGEN_PACKAGE_ID_8786: i = '6'; break;
+	case OXYGEN_PACKAGE_ID_8787: i = '7'; break;
+	case OXYGEN_PACKAGE_ID_8788: i = '8'; break;
+	default:                     i = '?'; break;
+	}
+	snd_iprintf(buffer, "CMI878%c:\n", i);
 	for (i = 0; i < OXYGEN_IO_SIZE; i += 0x10) {
 		snd_iprintf(buffer, "%02x:", i);
 		for (j = 0; j < 0x10; ++j)