V4L/DVB (13539): ir-common: add __func__ for debug messages

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

include/media/ir-common.h

@@ -29,7 +29,7 @@
 
 extern int media_ir_debug;    /* media_ir_debug level (0,1,2) */
 #define IR_dprintk(level, fmt, arg...)	if (media_ir_debug >= level) \
-	printk(KERN_DEBUG fmt , ## arg)
+	printk(KERN_DEBUG "%s: " fmt , __func__, ## arg)
 
 #define IR_TYPE_RC5     1
 #define IR_TYPE_PD      2 /* Pulse distance encoded IR */