ALSA: hdspm - AES32: Enable TCO/Sync-In in snd_hdspm_put_sync_ref()

This patch enables the user to select "TCO" and "Sync In" as a preferred
sync reference on RME AES(32) cards.

Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 8 insertions, 7 deletions

diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 80b2247dc8f9..73d96269c9b2 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;