From b7a7723513dc89f83d6df13206df55d4dc26e825 Mon Sep 17 00:00:00 2001
From: Sander Eikelenboom <linux@eikelenboom.it>
Date: Fri, 2 May 2014 15:09:27 +0200
Subject: [PATCH] ALSA: usb-audio: Prevent printk ratelimiting from spamming
 kernel log while DEBUG not defined

This (widely used) construction:

if(printk_ratelimit())
	dev_dbg()

Causes the ratelimiting to spam the kernel log with the "callbacks suppressed"
message below, even while the dev_dbg it is supposed to rate limit wouldn't
print anything because DEBUG is not defined for this device.

[  533.803964] retire_playback_urb: 852 callbacks suppressed
[  538.807930] retire_playback_urb: 852 callbacks suppressed
[  543.811897] retire_playback_urb: 852 callbacks suppressed
[  548.815745] retire_playback_urb: 852 callbacks suppressed
[  553.819826] retire_playback_urb: 852 callbacks suppressed

So use dev_dbg_ratelimited() instead of this construction.

Signed-off-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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