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path: root/sound/pci/rme9652/hdspm.c
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Diffstat (limited to 'sound/pci/rme9652/hdspm.c')
-rw-r--r--sound/pci/rme9652/hdspm.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 80b2247dc8f..73d96269c9b 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -2954,19 +2954,20 @@ static int snd_hdspm_put_pref_sync_ref(struct snd_kcontrol *kcontrol,
static int hdspm_autosync_ref(struct hdspm *hdspm)
{
+ /* This looks at the autosync selected sync reference */
if (AES32 == hdspm->io_type) {
+
unsigned int status = hdspm_read(hdspm, HDSPM_statusRegister);
- unsigned int syncref =
- (status >> HDSPM_AES32_syncref_bit) & 0xF;
- if (syncref == 0)
- return HDSPM_AES32_AUTOSYNC_FROM_WORD;
- if (syncref <= 8)
+ unsigned int syncref = (status >> HDSPM_AES32_syncref_bit) & 0xF;
+ if ((syncref >= HDSPM_AES32_AUTOSYNC_FROM_WORD) &&
+ (syncref <= HDSPM_AES32_AUTOSYNC_FROM_SYNC_IN)) {
return syncref;
+ }
return HDSPM_AES32_AUTOSYNC_FROM_NONE;
+
} else if (MADI == hdspm->io_type) {
- /* This looks at the autosync selected sync reference */
- unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
+ unsigned int status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
switch (status2 & HDSPM_SelSyncRefMask) {
case HDSPM_SelSyncRef_WORD:
return HDSPM_AUTOSYNC_FROM_WORD;