diff options
| author | Takashi Iwai <tiwai@suse.de> | 2012-01-09 11:37:20 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2012-01-25 16:13:09 -0800 |
| commit | b4133832cf270a39c961edf9777d2187eb2b7977 (patch) | |
| tree | 3fe16c2a822c8ec091a95e80a9765dc8fa9f7040 /sound | |
| parent | 662a1ccf42d1a08b9fb8d5709c19748bb40e88e1 (diff) | |
ALSA: usb-audio - Avoid flood of frame-active debug messages
commit 80c8a2a372599e604b04a9c568952fe39cd1851d upstream.
With some buggy devices, the usb-audio driver may give "frame xxx active"
kernel messages too often. Better to keep it as debug-only using
snd_printdd(), and also add the rate-limit for avoiding floods.
Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=738681
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/endpoint.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 81c6edecd862..08dcce53720b 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -17,6 +17,7 @@ #include <linux/gfp.h> #include <linux/init.h> +#include <linux/ratelimit.h> #include <linux/usb.h> #include <linux/usb/audio.h> @@ -458,8 +459,8 @@ static int retire_capture_urb(struct snd_usb_substream *subs, for (i = 0; i < urb->number_of_packets; i++) { cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset; - if (urb->iso_frame_desc[i].status) { - snd_printd(KERN_ERR "frame %d active: %d\n", i, urb->iso_frame_desc[i].status); + if (urb->iso_frame_desc[i].status && printk_ratelimit()) { + snd_printdd("frame %d active: %d\n", i, urb->iso_frame_desc[i].status); // continue; } bytes = urb->iso_frame_desc[i].actual_length; |