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Diffstat (limited to 'sound/pci/hda/hda_controller.c')
-rw-r--r--sound/pci/hda/hda_controller.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index a12e594d4e3b..8bc46676c278 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -732,6 +732,7 @@ int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec,
int pcm_dev = cpcm->device;
unsigned int size;
int s, err;
+ int type = SNDRV_DMA_TYPE_DEV_SG;
list_for_each_entry(apcm, &chip->pcm_list, list) {
if (apcm->pcm->device == pcm_dev) {
@@ -770,7 +771,9 @@ int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec,
size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024;
if (size > MAX_PREALLOC_SIZE)
size = MAX_PREALLOC_SIZE;
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
+ if (chip->uc_buffer)
+ type = SNDRV_DMA_TYPE_DEV_UC_SG;
+ snd_pcm_lib_preallocate_pages_for_all(pcm, type,
chip->card->dev,
size, MAX_PREALLOC_SIZE);
return 0;