[ALSA] Add Mic capture support.
CA0106 driver
Notes: This adds a new mixer item to switch between Mic and Line-in.
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
diff --git a/sound/pci/ca0106/ca0106.h b/sound/pci/ca0106/ca0106.h
index 67e56a5..beac9da 100644
--- a/sound/pci/ca0106/ca0106.h
+++ b/sound/pci/ca0106/ca0106.h
@@ -589,6 +589,7 @@
u32 spdif_bits[4]; /* s/pdif out setup */
int spdif_enable;
int capture_source;
+ int capture_mic_line_in;
struct snd_dma_buffer buffer;
};
diff --git a/sound/pci/ca0106/ca0106_mixer.c b/sound/pci/ca0106/ca0106_mixer.c
index 48e2486..0e5e9ce 100644
--- a/sound/pci/ca0106/ca0106_mixer.c
+++ b/sound/pci/ca0106/ca0106_mixer.c
@@ -1,7 +1,7 @@
/*
* Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
* Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
- * Version: 0.0.16
+ * Version: 0.0.17
*
* FEATURES currently supported:
* See ca0106_main.c for features.
@@ -37,6 +37,8 @@
* Separated ca0106.c into separate functional .c files.
* 0.0.16
* Modified Copyright message.
+ * 0.0.17
+ * Implement Mic and Line in Capture.
*
* This code was initally based on code from ALSA's emu10k1x.c which is:
* Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
@@ -183,6 +185,65 @@
.put = snd_ca0106_capture_source_put
};
+static int snd_ca0106_capture_mic_line_in_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+{
+ static char *texts[2] = { "Line in", "Mic 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_get(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ ca0106_t *emu = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.enumerated.item[0] = emu->capture_mic_line_in;
+ return 0;
+}
+
+static int snd_ca0106_capture_mic_line_in_put(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ ca0106_t *emu = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int change = 0;
+ u32 tmp;
+
+ val = ucontrol->value.enumerated.item[0] ;
+ change = (emu->capture_mic_line_in != val);
+ if (change) {
+ emu->capture_mic_line_in = val;
+ if (val) {
+ snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_PHONE); /* Mute input */
+ tmp = inl(emu->port+GPIO) & ~0x400;
+ tmp = tmp | 0x400;
+ outl(tmp, emu->port+GPIO);
+ snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC);
+ } else {
+ snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_PHONE); /* Mute input */
+ tmp = inl(emu->port+GPIO) & ~0x400;
+ outl(tmp, emu->port+GPIO);
+ snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN);
+ }
+ }
+ return change;
+}
+
+static snd_kcontrol_new_t snd_ca0106_capture_mic_line_in __devinitdata =
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Mic/Line in Capture",
+ .info = snd_ca0106_capture_mic_line_in_info,
+ .get = snd_ca0106_capture_mic_line_in_get,
+ .put = snd_ca0106_capture_mic_line_in_put
+};
+
static int snd_ca0106_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
@@ -620,6 +681,12 @@
return -ENOMEM;
if ((err = snd_ctl_add(card, kctl)))
return err;
+ if (emu->details->i2c_adc == 1) {
+ if ((kctl = snd_ctl_new1(&snd_ca0106_capture_mic_line_in, emu)) == NULL)
+ return -ENOMEM;
+ if ((err = snd_ctl_add(card, kctl)))
+ return err;
+ }
if ((kctl = snd_ctl_new1(&snd_ca0106_spdif_control, emu)) == NULL)
return -ENOMEM;
if ((err = snd_ctl_add(card, kctl)))