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ALSA: hda: warn on spurious response
author
Wu Fengguang
<fengguang.wu@intel.com>
Sat, 1 Aug 2009 11:18:45 +0000
(19:18 +0800)
committer
Takashi Iwai
<tiwai@suse.de>
Mon, 3 Aug 2009 06:27:53 +0000
(08:27 +0200)
To help disclose hardware bugs.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/hda_intel.c
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diff --git
a/sound/pci/hda/hda_intel.c
b/sound/pci/hda/hda_intel.c
index
7c43f92
..
175f07a
100644
(file)
--- a/
sound/pci/hda/hda_intel.c
+++ b/
sound/pci/hda/hda_intel.c
@@
-632,7
+632,11
@@
static void azx_update_rirb(struct azx *chip)
chip->rirb.res[addr] = res;
smp_wmb();
chip->rirb.cmds[addr]--;
- }
+ } else
+ snd_printk(KERN_ERR SFX "spurious response %#x:%#x, "
+ "last cmd=%#08x\n",
+ res, res_ex,
+ chip->last_cmd[addr]);
}
}