1 files changed, 89 insertions, 2 deletions

diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index af130ee0c45..d2196499416 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -3415,6 +3415,91 @@ static int snd_hdspm_put_qs_wire(struct snd_kcontrol *kcontrol,
         return change;
 }
 
+#define HDSPM_MADI_SPEEDMODE(xname, xindex) \
+{       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+        .name = xname, \
+        .index = xindex, \
+        .info = snd_hdspm_info_madi_speedmode, \
+        .get = snd_hdspm_get_madi_speedmode, \
+        .put = snd_hdspm_put_madi_speedmode \
+}
+
+static int hdspm_madi_speedmode(struct hdspm *hdspm)
+{
+        if (hdspm->control_register & HDSPM_QuadSpeed)
+                return 2;
+        if (hdspm->control_register & HDSPM_DoubleSpeed)
+                return 1;
+        return 0;
+}
+
+static int hdspm_set_madi_speedmode(struct hdspm *hdspm, int mode)
+{
+        hdspm->control_register &= ~(HDSPM_DoubleSpeed | HDSPM_QuadSpeed);
+        switch (mode) {
+        case 0:
+                break;
+        case 1:
+                hdspm->control_register |= HDSPM_DoubleSpeed;
+                break;
+        case 2:
+                hdspm->control_register |= HDSPM_QuadSpeed;
+                break;
+        }
+        hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
+
+        return 0;
+}
+
+static int snd_hdspm_info_madi_speedmode(struct snd_kcontrol *kcontrol,
+                                       struct snd_ctl_elem_info *uinfo)
+{
+        static char *texts[] = { "Single", "Double", "Quad" };
+
+        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+        uinfo->count = 1;
+        uinfo->value.enumerated.items = 3;
+
+        if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
+                uinfo->value.enumerated.item =
+                    uinfo->value.enumerated.items - 1;
+        strcpy(uinfo->value.enumerated.name,
+               texts[uinfo->value.enumerated.item]);
+
+        return 0;
+}
+
+static int snd_hdspm_get_madi_speedmode(struct snd_kcontrol *kcontrol,
+                                      struct snd_ctl_elem_value *ucontrol)
+{
+        struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
+
+        spin_lock_irq(&hdspm->lock);
+        ucontrol->value.enumerated.item[0] = hdspm_madi_speedmode(hdspm);
+        spin_unlock_irq(&hdspm->lock);
+        return 0;
+}
+
+static int snd_hdspm_put_madi_speedmode(struct snd_kcontrol *kcontrol,
+                                      struct snd_ctl_elem_value *ucontrol)
+{
+        struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
+        int change;
+        int val;
+
+        if (!snd_hdspm_use_is_exclusive(hdspm))
+                return -EBUSY;
+        val = ucontrol->value.integer.value[0];
+        if (val < 0)
+                val = 0;
+        if (val > 2)
+                val = 2;
+        spin_lock_irq(&hdspm->lock);
+        change = val != hdspm_madi_speedmode(hdspm);
+        hdspm_set_madi_speedmode(hdspm, val);
+        spin_unlock_irq(&hdspm->lock);
+        return change;
+}
 
 #define HDSPM_MIXER(xname, xindex) \
 { .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
@@ -4289,7 +4374,8 @@ static struct snd_kcontrol_new snd_hdspm_controls_madi[] = {
         HDSPM_TX_64("TX 64 channels mode", 0),
         HDSPM_C_TMS("Clear Track Marker", 0),
         HDSPM_SAFE_MODE("Safe Mode", 0),
-        HDSPM_INPUT_SELECT("Input Select", 0)
+        HDSPM_INPUT_SELECT("Input Select", 0),
+        HDSPM_MADI_SPEEDMODE("MADI Speed Mode", 0)
 };
 
 
@@ -4302,7 +4388,8 @@ static struct snd_kcontrol_new snd_hdspm_controls_madiface[] = {
         HDSPM_SYNC_CHECK("MADI SyncCheck", 0),
         HDSPM_TX_64("TX 64 channels mode", 0),
         HDSPM_C_TMS("Clear Track Marker", 0),
-        HDSPM_SAFE_MODE("Safe Mode", 0)
+        HDSPM_SAFE_MODE("Safe Mode", 0),
+        HDSPM_MADI_SPEEDMODE("MADI Speed Mode", 0)
 };
 
 static struct snd_kcontrol_new snd_hdspm_controls_aio[] = {