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>

diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 80b2247..73d9626 100644 (file)
--- 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;