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| author | Takashi Iwai <tiwai@suse.de> | 2011-09-13 10:33:16 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-09-13 10:33:16 +0200 |
| commit | 99e14c9d4140e9ed2c8810322a377e2a51b356eb (patch) | |
| tree | b4089f76f8a0986def788d2c6ab2652530b65918 /sound | |
| parent | 26b9b559ed9ff3bef5642ef731748d28d894705f (diff) | |
| download | lwn-99e14c9d4140e9ed2c8810322a377e2a51b356eb.tar.gz lwn-99e14c9d4140e9ed2c8810322a377e2a51b356eb.zip | |
ALSA: hda - Terminate the recursive connection search properly
The recursive search of widget connections in snd_hda_get_conn_index()
must be terminated at the pin and the audio-out widgets. Otherwise
you'll get "too deep connection" warnings unnecessarily.
Reported-by: Francis Moreau <francis.moro@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 3e7850c238c3..f3aefef37216 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -579,9 +579,13 @@ int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux, return -1; } recursive++; - for (i = 0; i < nums; i++) + for (i = 0; i < nums; i++) { + unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i])); + if (type == AC_WID_PIN || type == AC_WID_AUD_OUT) + continue; if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0) return i; + } return -1; } EXPORT_SYMBOL_HDA(snd_hda_get_conn_index); |