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authorWu Fengguang <fengguang.wu@intel.com>2009-08-01 19:18:45 +0800
committerTakashi Iwai <tiwai@suse.de>2009-08-03 08:27:53 +0200
commite310bb0646e57a4f9182865115c5780931456c65 (patch)
tree71580a573c97e14c8143517c5e682d984a4c14ec
parentfeb273404f15d86098cb0e81e46330d5c1e22b1b (diff)
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ALSA: hda: warn on spurious response
To help disclose hardware bugs. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--sound/pci/hda/hda_intel.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 7c43f92..175f07a 100644
--- 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]);
}
}