[ALSA] ca0106: Fixes MSI K8N's SB Live 24 bit, no sound from line-in.

Fixed bug#1331

Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
diff --git a/sound/pci/ca0106/ca0106_mixer.c b/sound/pci/ca0106/ca0106_mixer.c
index 8a58333..146eed7 100644
--- a/sound/pci/ca0106/ca0106_mixer.c
+++ b/sound/pci/ca0106/ca0106_mixer.c
@@ -227,6 +227,20 @@
         return change;
 }
 
+static int snd_ca0106_capture_line_in_side_out_info(struct snd_kcontrol *kcontrol,
+					       struct snd_ctl_elem_info *uinfo)
+{
+	static char *texts[2] = { "Side out", "Line in" };
+
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+	uinfo->count = 1;
+	uinfo->value.enumerated.items = 2;
+	if (uinfo->value.enumerated.item > 1)
+                uinfo->value.enumerated.item = 1;
+	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
+	return 0;
+}
+
 static int snd_ca0106_capture_mic_line_in_info(struct snd_kcontrol *kcontrol,
 					       struct snd_ctl_elem_info *uinfo)
 {
@@ -287,6 +301,16 @@
 	.put =		snd_ca0106_capture_mic_line_in_put
 };
 
+static struct snd_kcontrol_new snd_ca0106_capture_line_in_side_out __devinitdata =
+{
+	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name =		"Shared Line in/Side out Capture Switch",
+	.info =		snd_ca0106_capture_line_in_side_out_info,
+	.get =		snd_ca0106_capture_mic_line_in_get,
+	.put =		snd_ca0106_capture_mic_line_in_put
+};
+
+
 static int snd_ca0106_spdif_info(struct snd_kcontrol *kcontrol,
 				 struct snd_ctl_elem_info *uinfo)
 {
@@ -611,7 +635,10 @@
 			return err;
 	}
 	if (emu->details->i2c_adc == 1) {
-		err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_capture_mic_line_in, emu));
+		if (emu->details->gpio_type == 1)
+			err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_capture_mic_line_in, emu));
+		else  /* gpio_type == 2 */
+			err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_capture_line_in_side_out, emu));
 		if (err < 0)
 			return err;
 	}