From: Wu Fengguang <fengguang.wu@intel.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: alsa-devel@alsa-project.org, Jaroslav Kysela <jkysela@redhat.com>
Subject: [PATCH] hda: warn on spurious response
Date: Sat, 1 Aug 2009 19:18:45 +0800 [thread overview]
Message-ID: <20090801111845.GB7323@localhost> (raw)
In-Reply-To: <20090801111714.GA7323@localhost>
To help disclose hardware bugs.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
sound/pci/hda/hda_intel.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- sound-2.6.orig/sound/pci/hda/hda_intel.c
+++ sound-2.6/sound/pci/hda/hda_intel.c
@@ -639,7 +639,11 @@ static void azx_update_rirb(struct azx *
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]);
}
}
next prev parent reply other threads:[~2009-08-01 11:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-01 10:45 [RFC][PATCH] hda: track CIRB/CORB command/response states for each codec Wu Fengguang
2009-08-01 10:46 ` [PATCH] hda: take cmd_mutex in probe_codec() Wu Fengguang
2009-08-01 10:47 ` [PATCH] hda: take reg_lock in azx_init_cmd_io/azx_free_cmd_io Wu Fengguang
2009-08-01 10:48 ` [PATCH] hda: read CORBWP inside reg_lock Wu Fengguang
2009-08-01 11:17 ` [PATCH] hda: remember last command for each codec Wu Fengguang
2009-08-01 11:18 ` Wu Fengguang [this message]
2009-08-03 6:50 ` [RFC][PATCH] hda: track CIRB/CORB command/response states " Takashi Iwai
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