From e310bb0646e57a4f9182865115c5780931456c65 Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Sat, 1 Aug 2009 19:18:45 +0800 Subject: [PATCH] ALSA: hda: warn on spurious response To help disclose hardware bugs. Signed-off-by: Wu Fengguang Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_intel.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 7c43f92de2fa..175f07a381ba 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]); } } -- 2.30.2