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ALSA: hda - Don't query connections for widgets have no connections

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Fixes the kernel warnings with IDT codecs like
    hda_codec: connection list not available for 0x1e

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2011-04-07 14:55:57 +02:00
parent 262ac22d21
commit cd9abc7a22
1 changed files with 3 additions and 0 deletions
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3
sound/pci/hda/patch_sigmatel.c
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@ -3408,6 +3408,9 @@ static int get_connection_index(struct hda_codec *codec, hda_nid_t mux,
hda_nid_t conn[HDA_MAX_NUM_INPUTS];
int i, nums;
if (!(get_wcaps(codec, mux) & AC_WCAP_CONN_LIST))
return -1;
nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));
for (i = 0; i < nums; i++)
if (conn[i] == nid)