[ALSA] sound/hda: rate-limit timeout message

Modules: HDA Intel driver

Rate-limit the azx_get_response timeout message.  A continuous 2 per second
is too much.
Signed-off-by: Randy Dunlap <randy_d_dunlap@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_intel.c

@@ -37,6 +37,7 @@
 #include <asm/io.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>
@@ -514,7 +515,9 @@ static unsigned int azx_get_response(struct hda_codec *codec)
 
 	while (chip->rirb.cmds) {
 		if (! --timeout) {
-			snd_printk(KERN_ERR "azx_get_response timeout\n");
+			if (printk_ratelimit())
+				snd_printk(KERN_ERR
+					"azx_get_response timeout\n");
 			chip->rirb.rp = azx_readb(chip, RIRBWP);
 			chip->rirb.cmds = 0;
 			return -1;