1 files changed, 12 insertions, 3 deletions

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 45dc53fcfa2..84da3ba17c8 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -312,9 +312,18 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream,
 
         hw = &substream->runtime->hw;
         if (!params->info)
-                params->info = hw->info;
-        if (!params->fifo_size)
-                params->fifo_size = hw->fifo_size;
+                params->info = hw->info & ~SNDRV_PCM_INFO_FIFO_IN_FRAMES;
+        if (!params->fifo_size) {
+                if (snd_mask_min(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT]) ==
+                    snd_mask_max(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT]) &&
+                    snd_mask_min(&params->masks[SNDRV_PCM_HW_PARAM_CHANNELS]) ==
+                    snd_mask_max(&params->masks[SNDRV_PCM_HW_PARAM_CHANNELS])) {
+                        changed = substream->ops->ioctl(substream,
+                                        SNDRV_PCM_IOCTL1_FIFO_SIZE, params);
+                        if (params < 0)
+                                return changed;
+                }
+        }
         params->rmask = 0;
         return 0;
 }