Merge branch 'topic/ca0106-spdif-stream' into topic/ca0106

[linux-2.6-omap-h63xx.git] / sound / pci / ca0106 / ca0106_mixer.c

diff --git a/sound/pci/ca0106/ca0106_mixer.c b/sound/pci/ca0106/ca0106_mixer.c
index 9845a20f5427bec0c4859deede44d302fb7da1f2..ad2888705d2a60d63661d8d1ba1412a109ce2bad 100644 (file)
--- a/sound/pci/ca0106/ca0106_mixer.c
+++ b/sound/pci/ca0106/ca0106_mixer.c
@@ -148,7 +148,7 @@ static void ca0106_set_capture_mic_line_in(struct snd_ca0106 *emu)
 
 static void ca0106_set_spdif_bits(struct snd_ca0106 *emu, int idx)
 {
-       snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, emu->spdif_bits[idx]);
+       snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, emu->spdif_str_bits[idx]);
 }
 
 /*
@@ -353,16 +353,33 @@ static int snd_ca0106_spdif_info(struct snd_kcontrol *kcontrol,
        return 0;
 }
 
-static int snd_ca0106_spdif_get(struct snd_kcontrol *kcontrol,
+static void decode_spdif_bits(unsigned char *status, unsigned int bits)
+{
+       status[0] = (bits >> 0) & 0xff;
+       status[1] = (bits >> 8) & 0xff;
+       status[2] = (bits >> 16) & 0xff;
+       status[3] = (bits >> 24) & 0xff;
+}
+
+static int snd_ca0106_spdif_get_default(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_value *ucontrol)
 {
        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
        unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 
-       ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff;
-       ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff;
-       ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff;
-       ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff;
+       decode_spdif_bits(ucontrol->value.iec958.status,
+                         emu->spdif_bits[idx]);
+        return 0;
+}
+
+static int snd_ca0106_spdif_get_stream(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
+
+       decode_spdif_bits(ucontrol->value.iec958.status,
+                         emu->spdif_str_bits[idx]);
         return 0;
 }
 
@@ -376,24 +393,48 @@ static int snd_ca0106_spdif_get_mask(struct snd_kcontrol *kcontrol,
         return 0;
 }
 
-static int snd_ca0106_spdif_put(struct snd_kcontrol *kcontrol,
+static unsigned int encode_spdif_bits(unsigned char *status)
+{
+       return ((unsigned int)status[0] << 0) |
+               ((unsigned int)status[1] << 8) |
+               ((unsigned int)status[2] << 16) |
+               ((unsigned int)status[3] << 24);
+}
+
+static int snd_ca0106_spdif_put_default(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_value *ucontrol)
 {
        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
        unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
-       int change;
        unsigned int val;
 
-       val = (ucontrol->value.iec958.status[0] << 0) |
-             (ucontrol->value.iec958.status[1] << 8) |
-             (ucontrol->value.iec958.status[2] << 16) |
-             (ucontrol->value.iec958.status[3] << 24);
-       change = val != emu->spdif_bits[idx];
-       if (change) {
+       val = encode_spdif_bits(ucontrol->value.iec958.status);
+       if (val != emu->spdif_bits[idx]) {
                emu->spdif_bits[idx] = val;
+               /* FIXME: this isn't safe, but needed to keep the compatibility
+                * with older alsa-lib config
+                */
+               emu->spdif_str_bits[idx] = val;
                ca0106_set_spdif_bits(emu, idx);
+               return 1;
        }
-        return change;
+       return 0;
+}
+
+static int snd_ca0106_spdif_put_stream(struct snd_kcontrol *kcontrol,
+                                 struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
+       unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
+       unsigned int val;
+
+       val = encode_spdif_bits(ucontrol->value.iec958.status);
+       if (val != emu->spdif_str_bits[idx]) {
+               emu->spdif_str_bits[idx] = val;
+               ca0106_set_spdif_bits(emu, idx);
+               return 1;
+       }
+        return 0;
 }
 
 static int snd_ca0106_volume_info(struct snd_kcontrol *kcontrol,
@@ -604,8 +645,16 @@ static struct snd_kcontrol_new snd_ca0106_volume_ctls[] __devinitdata = {
                .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
                .count =        4,
                .info =         snd_ca0106_spdif_info,
-               .get =          snd_ca0106_spdif_get,
-               .put =          snd_ca0106_spdif_put
+               .get =          snd_ca0106_spdif_get_default,
+               .put =          snd_ca0106_spdif_put_default
+       },
+       {
+               .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+               .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
+               .count =        4,
+               .info =         snd_ca0106_spdif_info,
+               .get =          snd_ca0106_spdif_get_stream,
+               .put =          snd_ca0106_spdif_put_stream
        },
 };