[ALSA] ca0106: Fix sound capture on Audigy LS via AC97.

Fixes ALSA bug#2286
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/pci/ca0106/ca0106_main.c

@@ -1382,7 +1382,6 @@ static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
 	snd_ca0106_ptr_write(chip, SPDIF_SELECT1, 0, 0xf);
 	snd_ca0106_ptr_write(chip, SPDIF_SELECT2, 0, 0x000f0000); /* 0x0b000000 for digital, 0x000b0000 for analog, from win2000 drivers. Use 0x000f0000 for surround71 */
 	chip->spdif_enable = 0; /* Set digital SPDIF output off */
-	chip->capture_source = 3; /* Set CAPTURE_SOURCE */
 	//snd_ca0106_ptr_write(chip, 0x45, 0, 0); /* Analogue out */
 	//snd_ca0106_ptr_write(chip, 0x45, 0, 0xf00); /* Digital out */
 
@@ -1402,8 +1401,22 @@ static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
 		snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME1, ch, 0xffffffff); /* Mute */
 		snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME2, ch, 0xffffffff); /* Mute */
 	}
-        snd_ca0106_ptr_write(chip, CAPTURE_SOURCE, 0x0, 0x333300e4); /* Select MIC, Line in, TAD in, AUX in */
-	chip->capture_source = 3; /* Set CAPTURE_SOURCE */
+	if (chip->details->i2c_adc == 1) {
+	        /* Select MIC, Line in, TAD in, AUX in */
+	        snd_ca0106_ptr_write(chip, CAPTURE_SOURCE, 0x0, 0x333300e4);
+		/* Default to CAPTURE_SOURCE to i2s in */
+		chip->capture_source = 3;
+	} else if (chip->details->ac97 == 1) {
+	        /* Default to AC97 in */
+	        snd_ca0106_ptr_write(chip, CAPTURE_SOURCE, 0x0, 0x444400e4);
+		/* Default to CAPTURE_SOURCE to AC97 in */
+		chip->capture_source = 4;
+	} else {
+	        /* Select MIC, Line in, TAD in, AUX in */
+	        snd_ca0106_ptr_write(chip, CAPTURE_SOURCE, 0x0, 0x333300e4);
+		/* Default to Set CAPTURE_SOURCE to i2s in */
+		chip->capture_source = 3;
+	}
 
         if (chip->details->gpio_type == 2) { /* The SB0438 use GPIO differently. */
 		/* FIXME: Still need to find out what the other GPIO bits do. E.g. For digital spdif out. */

sound/pci/ca0106/ca0106_mixer.c

@@ -482,19 +482,6 @@ static int snd_ca0106_i2c_volume_put(struct snd_kcontrol *kcontrol,
 	.private_value = ((chid) << 8) | (reg)			\
 }
 
-#define I2C_VOLUME(xname,chid) \
-{								\
-	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,	\
-	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |		\
-	          SNDRV_CTL_ELEM_ACCESS_TLV_READ,		\
-	.info =  snd_ca0106_i2c_volume_info,			\
-	.get =   snd_ca0106_i2c_volume_get,			\
-	.put =   snd_ca0106_i2c_volume_put,			\
-	.tlv = { .p = snd_ca0106_db_scale2 },			\
-	.private_value = chid					\
-}
-
-
 static struct snd_kcontrol_new snd_ca0106_volume_ctls[] __devinitdata = {
 	CA_VOLUME("Analog Front Playback Volume",
 		  CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2),
@@ -517,11 +504,6 @@ static struct snd_kcontrol_new snd_ca0106_volume_ctls[] __devinitdata = {
         CA_VOLUME("CAPTURE feedback Playback Volume",
 		  1, CAPTURE_CONTROL),
 
-        I2C_VOLUME("Phone Capture Volume", 0),
-        I2C_VOLUME("Mic Capture Volume", 1),
-        I2C_VOLUME("Line in Capture Volume", 2),
-        I2C_VOLUME("Aux Capture Volume", 3),
-
 	{
 		.access =	SNDRV_CTL_ELEM_ACCESS_READ,
 		.iface =        SNDRV_CTL_ELEM_IFACE_PCM,
@@ -561,6 +543,25 @@ static struct snd_kcontrol_new snd_ca0106_volume_ctls[] __devinitdata = {
 	},
 };
 
+#define I2C_VOLUME(xname,chid) \
+{								\
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,	\
+	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |		\
+	          SNDRV_CTL_ELEM_ACCESS_TLV_READ,		\
+	.info =  snd_ca0106_i2c_volume_info,			\
+	.get =   snd_ca0106_i2c_volume_get,			\
+	.put =   snd_ca0106_i2c_volume_put,			\
+	.tlv = { .p = snd_ca0106_db_scale2 },			\
+	.private_value = chid					\
+}
+
+static struct snd_kcontrol_new snd_ca0106_volume_i2c_adc_ctls[] __devinitdata = {
+        I2C_VOLUME("Phone Capture Volume", 0),
+        I2C_VOLUME("Mic Capture Volume", 1),
+        I2C_VOLUME("Line in Capture Volume", 2),
+        I2C_VOLUME("Aux Capture Volume", 3),
+};
+
 static int __devinit remove_ctl(struct snd_card *card, const char *name)
 {
 	struct snd_ctl_elem_id id;
@@ -645,6 +646,11 @@ int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu)
 			return err;
 	}
 	if (emu->details->i2c_adc == 1) {
+		for (i = 0; i < ARRAY_SIZE(snd_ca0106_volume_i2c_adc_ctls); i++) {
+			err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_volume_i2c_adc_ctls[i], emu));
+			if (err < 0)
+				return err;
+		}
 		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 */