[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>

1 files changed, 4 insertions, 1 deletions

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index ed525c03c996..429ef3810b16 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/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;