ALSA: hda - don't build digital output controls if not exist
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -779,6 +779,9 @@ static int build_digital_output(struct hda_codec *codec)
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struct cs_spec *spec = codec->spec;
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int err;
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if (!spec->multiout.dig_out_nid)
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return 0;
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err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
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if (err < 0)
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return err;
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