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ALSA: hda - Force to reset IEC958 status bits for AD codecs

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Several bug reports suggest that the forcibly resetting IEC958 status
bits is required for AD codecs to get the SPDIF output working
properly after changing streams.

Original fix credit to Javeed Shaikh.

BugLink: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/359361

Reported-by: Robin Kreis <r.kreis@uni-bremen.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-11-05 12:32:46 +01:00
parent 5c0ee9497b
commit ae24c3191b
1 changed files with 1 additions and 0 deletions
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sound/pci/hda/patch_analog.c
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@ -545,6 +545,7 @@ static int ad198x_build_pcms(struct hda_codec *codec)
if (spec->multiout.dig_out_nid) { if (spec->multiout.dig_out_nid) {
info++; info++;
codec->num_pcms++; codec->num_pcms++;
codec->spdif_status_reset = 1;
info->name = "AD198x Digital"; info->name = "AD198x Digital";
info->pcm_type = HDA_PCM_TYPE_SPDIF; info->pcm_type = HDA_PCM_TYPE_SPDIF;
info->stream[SNDRV_PCM_STREAM_PLAYBACK] = ad198x_pcm_digital_playback; info->stream[SNDRV_PCM_STREAM_PLAYBACK] = ad198x_pcm_digital_playback;