ALSA: ctxfi - Add prefix to debug prints

Added ctxfi: prefix to each debug print.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ctxfi/ctsrc.c b/sound/pci/ctxfi/ctsrc.c
index d3e0ad5..77e118c 100644
--- a/sound/pci/ctxfi/ctsrc.c
+++ b/sound/pci/ctxfi/ctsrc.c
@@ -431,7 +431,7 @@
 
 	spin_unlock_irqrestore(&mgr->mgr_lock, flags);
 	if (err) {
-		printk(KERN_ERR "Can't meet SRC resource request!\n");
+		printk(KERN_ERR "ctxfi: Can't meet SRC resource request!\n");
 		return err;
 	}
 
@@ -740,7 +740,7 @@
 	}
 	spin_unlock_irqrestore(&mgr->mgr_lock, flags);
 	if (err) {
-		printk(KERN_ERR "Can't meet SRCIMP resource request!\n");
+		printk(KERN_ERR "ctxfi: Can't meet SRCIMP resource request!\n");
 		goto error1;
 	}