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

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>

diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index cdd43eadbc67425e80237b7da979c778b6bd835b..1eeba738666634329d17a76149618c1c6f3e8c26 100644 (file)
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -545,6 +545,7 @@ static int ad198x_build_pcms(struct hda_codec *codec)
        if (spec->multiout.dig_out_nid) {
                info++;
                codec->num_pcms++;
+               codec->spdif_status_reset = 1;
                info->name = "AD198x Digital";
                info->pcm_type = HDA_PCM_TYPE_SPDIF;
                info->stream[SNDRV_PCM_STREAM_PLAYBACK] = ad198x_pcm_digital_playback;