[PATCH 3.12 008/123] ALSA: hda - Treat zero connection as non-error

From: Jiri Slaby
Date: Tue Aug 04 2015 - 11:24:59 EST


From: Takashi Iwai <tiwai@xxxxxxx>

3.12-stable review patch. If anyone has any objections, please let me know.

===============

commit 4758fed912d7cd0ba53d2694e89b884114de6580 upstream.

The zero-length connection list happens so often on Haswell HDMI, and
it results in warning messages like
ALSA: hda_codec: invalid CONNECT_LIST verb 5[1]:0
at each time the codec resumes from the power-save, which is fairly
annoying.

Since this is no real error, make it shown only in the verbose debug
mode.

Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
sound/pci/hda/hda_codec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 931bd7386326..12f1dd5a7abb 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -567,7 +567,7 @@ int snd_hda_get_raw_connections(struct hda_codec *codec, hda_nid_t nid,
range_val = !!(parm & (1 << (shift-1))); /* ranges */
val = parm & mask;
if (val == 0 && null_count++) { /* no second chance */
- snd_printk(KERN_WARNING "hda_codec: "
+ snd_printdd("hda_codec: "
"invalid CONNECT_LIST verb %x[%i]:%x\n",
nid, i, parm);
return 0;
--
2.5.0

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