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-rw-r--r--sound/pci/cmipci.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index a8d6b54143f..78a23984eac 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -1599,8 +1599,10 @@ static int snd_cmipci_playback_spdif_open(struct snd_pcm_substream *substream)
return err;
if (cm->can_ac3_hw) {
runtime->hw = snd_cmipci_playback_spdif;
- if (cm->chip_version >= 37)
+ if (cm->chip_version >= 37) {
runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
+ snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
+ }
if (cm->chip_version == 68) {
runtime->hw.rates |= SNDRV_PCM_RATE_88200 |
SNDRV_PCM_RATE_96000;