ALSA: hda - Add workarounds for CT-IBG controllers

Creative IBG controllers require the playback stream-tags to be started
from 1, instead of capture+1.  Otherwise the stream stalls.

Reported-by: Wai Yew CHAY <wychay@ctl.creative.com>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 7 insertions, 2 deletions

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index ee445bc6e810..21aa9b0e28f6 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1652,7 +1652,7 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream)
         struct azx_dev *azx_dev = get_azx_dev(substream);
         struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
         struct snd_pcm_runtime *runtime = substream->runtime;
-        unsigned int bufsize, period_bytes, format_val;
+        unsigned int bufsize, period_bytes, format_val, stream_tag;
         int err;
 
         azx_stream_reset(chip, azx_dev);
@@ -1694,7 +1694,12 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream)
         else
                 azx_dev->fifo_size = 0;
 
-        return snd_hda_codec_prepare(apcm->codec, hinfo, azx_dev->stream_tag,
+        stream_tag = azx_dev->stream_tag;
+        /* CA-IBG chips need the playback stream starting from 1 */
+        if (chip->driver_type == AZX_DRIVER_CTX &&
+            stream_tag > chip->capture_streams)
+                stream_tag -= chip->capture_streams;
+        return snd_hda_codec_prepare(apcm->codec, hinfo, stream_tag,
                                      azx_dev->format_val, substream);
 }