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Merge branch 'topic/usb-validation' into for-next
[tomoyo/tomoyo-test1.git] / sound / pci / hda / hda_controller.c
index ec0608d..6387c7e 100644 (file)
@@ -598,11 +598,9 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
        }
        runtime->private_data = azx_dev;
 
-       if (chip->gts_present)
-               azx_pcm_hw.info = azx_pcm_hw.info |
-                       SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME;
-
        runtime->hw = azx_pcm_hw;
+       if (chip->gts_present)
+               runtime->hw.info |= SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME;
        runtime->hw.channels_min = hinfo->channels_min;
        runtime->hw.channels_max = hinfo->channels_max;
        runtime->hw.formats = hinfo->formats;
@@ -615,6 +613,13 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
                                     20,
                                     178000000);
 
+       /* by some reason, the playback stream stalls on PulseAudio with
+        * tsched=1 when a capture stream triggers.  Until we figure out the
+        * real cause, disable tsched mode by telling the PCM info flag.
+        */
+       if (chip->driver_caps & AZX_DCAPS_AMD_WORKAROUND)
+               runtime->hw.info |= SNDRV_PCM_INFO_BATCH;
+
        if (chip->align_buffer_size)
                /* constrain buffer sizes to be multiple of 128
                   bytes. This is more efficient in terms of memory