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ALSA: hda - Treat zero connection as non-error

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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@suse.de>
This commit is contained in:
Takashi Iwai 2013-10-17 17:56:25 +02:00
parent 08cf680cca
commit 4758fed912
1 changed files with 1 additions and 1 deletions
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2
sound/pci/hda/hda_codec.c
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@ -565,7 +565,7 @@ 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;