ALSA: ctxfi - Add prefix to debug prints

Added ctxfi: prefix to each debug print.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/ctxfi/xfi.c

@@ -57,16 +57,17 @@ ct_card_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 	if (err)
 		return err;
 	if ((reference_rate != 48000) && (reference_rate != 44100)) {
-		printk(KERN_ERR "Invalid reference_rate value %u!!!\n"
-				"The valid values for reference_rate "
-				"are 48000 and 44100.\nValue 48000 is "
-				"assumed.\n", reference_rate);
+		printk(KERN_ERR "ctxfi: Invalid reference_rate value %u!!!\n",
+		       reference_rate);
+		printk(KERN_ERR "ctxfi: The valid values for reference_rate "
+		       "are 48000 and 44100, Value 48000 is assumed.\n");
 		reference_rate = 48000;
 	}
 	if ((multiple != 1) && (multiple != 2)) {
-		printk(KERN_ERR "Invalid multiple value %u!!!\nThe valid "
-				"values for multiple are 1 and 2.\nValue 2 "
-				"is assumed.\n", multiple);
+		printk(KERN_ERR "ctxfi: Invalid multiple value %u!!!\n",
+		       multiple);
+		printk(KERN_ERR "ctxfi: The valid values for multiple are "
+		       "1 and 2, Value 2 is assumed.\n");
 		multiple = 2;
 	}
 	err = ct_atc_create(card, pci, reference_rate, multiple, &atc);