au88x0: replace spdif frequency control with iec958 control

diff -u -r1.6 au88x0_pcm.c
@@ -20,7 +20,7 @@
  * Supports ADB and WT DMA. Unfortunately, WT channels do not run yet.
  * It remains stuck,and DMA transfers do not happen. 
  */
-
+#include <sound/asoundef.h>
 #include <sound/driver.h>
 #include <linux/time.h>
 #include <sound/core.h>

@@ -431,61 +431,74 @@
 };
 
 /* SPDIF kcontrol */
-static int
-snd_vortex_spdif_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
-{
-	static char *texts[] = { "32000", "44100", "48000" };
 
-	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+static int snd_vortex_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 	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_vortex_spdif_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+
+static int snd_vortex_spdif_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 {
-	vortex_t *vortex = snd_kcontrol_chip(kcontrol);
+	ucontrol->value.iec958.status[0] = 0xff;
+	ucontrol->value.iec958.status[1] = 0xff;
+	ucontrol->value.iec958.status[2] = 0xff;
+	ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
+	return 0;
+}
 
-	if (vortex->spdif_sr == 32000)
-		ucontrol->value.enumerated.item[0] = 0;
-	if (vortex->spdif_sr == 44100)
-		ucontrol->value.enumerated.item[0] = 1;
-	if (vortex->spdif_sr == 48000)
-		ucontrol->value.enumerated.item[0] = 2;
+static int snd_vortex_spdif_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+{
+	vortex_t *vortex = snd_kcontrol_chip(kcontrol);
+	ucontrol->value.iec958.status[0] = 0x00;
+	ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL|IEC958_AES1_CON_DIGDIGCONV_ID;
+	ucontrol->value.iec958.status[2] = 0x00;
+	switch(vortex->spdif_sr){
+	case 32000: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_32000; break;
+	case 44100: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_44100; break;
+	case 48000: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_48000; break;
+	};
 	return 0;
 }
-static int
-snd_vortex_spdif_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
+
+static int snd_vortex_spdif_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 {
 	vortex_t *vortex = snd_kcontrol_chip(kcontrol);
-	static unsigned int sr[3] = { 32000, 44100, 48000 };
+	switch(ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS){
+	case IEC958_AES3_CON_FS_32000: vortex->spdif_sr = 32000; break;
+	case IEC958_AES3_CON_FS_44100: vortex->spdif_sr = 44100; break;
+	case IEC958_AES3_CON_FS_48000: vortex->spdif_sr = 48000; break;
+	};
+	vortex_spdif_init(vortex, vortex->spdif_sr, 1);
+	return 0;
+}
 
-	//printk("vortex: spdif sr = %d\n", ucontrol->value.enumerated.item[0]);
-	vortex->spdif_sr = sr[ucontrol->value.enumerated.item[0] % 3];
-	vortex_spdif_init(vortex,
-			  sr[ucontrol->value.enumerated.item[0] % 3], 1);
-	return 1;
-}
-static snd_kcontrol_new_t vortex_spdif_kcontrol __devinitdata = {
-	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-	.name = "SPDIF SR",
-	.index = 0,
-	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
-	.private_value = 0,
-	.info = snd_vortex_spdif_info,
-	.get = snd_vortex_spdif_get,
-	.put = snd_vortex_spdif_put
+/* spdif controls */
+static snd_kcontrol_new_t snd_vortex_mixer_spdif[] __devinitdata = {
+	{
+		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
+		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+		.info =		snd_vortex_spdif_info,
+		.get =		snd_vortex_spdif_get,
+		.put =		snd_vortex_spdif_put,
+	},
+	{
+		.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
+		.access =	SNDRV_CTL_ELEM_ACCESS_READ,
+		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
+		.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
+		.info =		snd_vortex_spdif_info,
+		.get =		snd_vortex_spdif_mask_get
+	},
 };
 
 /* create a pcm device */
 static int __devinit snd_vortex_new_pcm(vortex_t * chip, int idx, int nr)
 {
 	snd_pcm_t *pcm;
+	snd_kcontrol_t *kctl;
+	int i;
 	int err, nr_capt;
 
 	if ((chip == 0) || (idx < 0) || (idx > VORTEX_PCM_LAST))

@@ -520,13 +533,13 @@
 					      0x10000, 0x10000);
 
 	if (VORTEX_PCM_TYPE(pcm) == VORTEX_PCM_SPDIF) {
-		snd_kcontrol_t *kcontrol;
-
-		if ((kcontrol =
-		     snd_ctl_new1(&vortex_spdif_kcontrol, chip)) == NULL)
-			return -ENOMEM;
-		if ((err = snd_ctl_add(chip->card, kcontrol)) < 0)
-			return err;
+		for (i = 0; i < ARRAY_SIZE(snd_vortex_mixer_spdif); i++) {
+			kctl = snd_ctl_new1(&snd_vortex_mixer_spdif[i], chip);
+			if (!kctl)
+				return -ENOMEM;
+			if ((err = snd_ctl_add(chip->card, kctl)) < 0)
+				return err;
+		}
 	}
 	return 0;
 }