ALSA: ice1724 - Allow spec driver to create own routing controls

Added a new flag, own_routing, to allow spec drivers to create own
routing controls.  Also, the basic get/put calls are changed to be
external for later use by maya44 driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

2 files changed, 30 insertions, 15 deletions

diff --git a/sound/pci/ice1712/ice1712.h b/sound/pci/ice1712/ice1712.h
index fdae6deba16b..adc909ec125c 100644
--- a/sound/pci/ice1712/ice1712.h
+++ b/sound/pci/ice1712/ice1712.h
@@ -335,6 +335,7 @@ struct snd_ice1712 {
         unsigned int force_rdma1:1;     /* VT1720/4 - RDMA1 as non-spdif */
         unsigned int midi_output:1;     /* VT1720/4: MIDI output triggered */
         unsigned int midi_input:1;      /* VT1720/4: MIDI input triggered */
+        unsigned int own_routing:1;     /* VT1720/4: use own routing ctls */
         unsigned int num_total_dacs;    /* total DACs */
         unsigned int num_total_adcs;    /* total ADCs */
         unsigned int cur_rate;          /* current rate */
@@ -458,10 +459,17 @@ static inline int snd_ice1712_gpio_read_bits(struct snd_ice1712 *ice,
         return  snd_ice1712_gpio_read(ice) & mask;
 }
 
+/* route access functions */
+int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift);
+int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
+                                                                int shift);
+
 int snd_ice1712_spdif_build_controls(struct snd_ice1712 *ice);
 
-int snd_ice1712_akm4xxx_init(struct snd_akm4xxx *ak, const struct snd_akm4xxx *template,
-                             const struct snd_ak4xxx_private *priv, struct snd_ice1712 *ice);
+int snd_ice1712_akm4xxx_init(struct snd_akm4xxx *ak,
+                             const struct snd_akm4xxx *template,
+                             const struct snd_ak4xxx_private *priv,
+                             struct snd_ice1712 *ice);
 void snd_ice1712_akm4xxx_free(struct snd_ice1712 *ice);
 int snd_ice1712_akm4xxx_build_controls(struct snd_ice1712 *ice);
 
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index 1f05c59690a1..5a735eed317d 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -1975,7 +1975,7 @@ static inline int digital_route_shift(int idx)
         return idx * 3;
 }
 
-static int get_route_val(struct snd_ice1712 *ice, int shift)
+int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift)
 {
         unsigned long val;
         unsigned char eitem;
@@ -1994,7 +1994,8 @@ static int get_route_val(struct snd_ice1712 *ice, int shift)
         return eitem;
 }
 
-static int put_route_val(struct snd_ice1712 *ice, unsigned int val, int shift)
+int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
+                                                                int shift)
 {
         unsigned int old_val, nval;
         int change;
@@ -2022,7 +2023,7 @@ static int snd_vt1724_pro_route_analog_get(struct snd_kcontrol *kcontrol,
         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
         ucontrol->value.enumerated.item[0] =
-                get_route_val(ice, analog_route_shift(idx));
+                snd_ice1724_get_route_val(ice, analog_route_shift(idx));
         return 0;
 }
 
@@ -2031,8 +2032,9 @@ static int snd_vt1724_pro_route_analog_put(struct snd_kcontrol *kcontrol,
 {
         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
-        return put_route_val(ice, ucontrol->value.enumerated.item[0],
-                             analog_route_shift(idx));
+        return snd_ice1724_put_route_val(ice,
+                                         ucontrol->value.enumerated.item[0],
+                                         analog_route_shift(idx));
 }
 
 static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
@@ -2041,7 +2043,7 @@ static int snd_vt1724_pro_route_spdif_get(struct snd_kcontrol *kcontrol,
         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
         ucontrol->value.enumerated.item[0] =
-                get_route_val(ice, digital_route_shift(idx));
+                snd_ice1724_get_route_val(ice, digital_route_shift(idx));
         return 0;
 }
 
@@ -2050,11 +2052,13 @@ static int snd_vt1724_pro_route_spdif_put(struct snd_kcontrol *kcontrol,
 {
         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
-        return put_route_val(ice, ucontrol->value.enumerated.item[0],
-                             digital_route_shift(idx));
+        return snd_ice1724_put_route_val(ice,
+                                         ucontrol->value.enumerated.item[0],
+                                         digital_route_shift(idx));
 }
 
-static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata = {
+static struct snd_kcontrol_new snd_vt1724_mixer_pro_analog_route __devinitdata =
+{
         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
         .name = "H/W Playback Route",
         .info = snd_vt1724_pro_route_info,
@@ -2291,9 +2295,12 @@ static int __devinit snd_vt1724_spdif_build_controls(struct snd_ice1712 *ice)
         if (snd_BUG_ON(!ice->pcm))
                 return -EIO;
 
-        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
-        if (err < 0)
-                return err;
+        if (!ice->own_routing) {
+                err = snd_ctl_add(ice->card,
+                        snd_ctl_new1(&snd_vt1724_mixer_pro_spdif_route, ice));
+                if (err < 0)
+                        return err;
+        }
 
         err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_vt1724_spdif_switch, ice));
         if (err < 0)
@@ -2340,7 +2347,7 @@ static int __devinit snd_vt1724_build_controls(struct snd_ice1712 *ice)
         if (err < 0)
                 return err;
 
-        if (ice->num_total_dacs > 0) {
+        if (!ice->own_routing && ice->num_total_dacs > 0) {
                 struct snd_kcontrol_new tmp = snd_vt1724_mixer_pro_analog_route;
                 tmp.count = ice->num_total_dacs;
                 if (ice->vt1720 && tmp.count > 2)