[ALSA] Implement different capture sources.
EMU10K1/EMU10K2 driver
e.g. When HD Capture source is set to SPDIF,
setting HD Capture channel to 0 captures from CDROM digital input.
setting HD Capture channel to 1 captures from SPDIF in.
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index 23dabbc..c50b919 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1130,6 +1130,7 @@
emu10k1_voice_t p16v_capture_voice;
int p16v_device_offset;
u32 p16v_capture_source;
+ u32 p16v_capture_channel;
emu10k1_pcm_mixer_t pcm_mixer[32];
emu10k1_pcm_mixer_t efx_pcm_mixer[NUM_EFX_PLAYBACK];
snd_kcontrol_t *ctl_send_routing;
diff --git a/sound/pci/emu10k1/p16v.c b/sound/pci/emu10k1/p16v.c
index 13f7e62..93dff4c 100644
--- a/sound/pci/emu10k1/p16v.c
+++ b/sound/pci/emu10k1/p16v.c
@@ -41,7 +41,13 @@
* Integrated with snd-emu10k1 driver.
* 0.22
* Removed #if 0 ... #endif
- *
+ * 0.23
+ * Implement different capture rates.
+ * 0.24
+ * Implement different capture source channels.
+ * e.g. When HD Capture source is set to SPDIF,
+ * setting HD Capture channel to 0 captures from CDROM digital input.
+ * setting HD Capture channel to 1 captures from SPDIF in.
*
* BUGS:
* Some stability problems when unloading the snd-p16v kernel module.
@@ -933,6 +939,56 @@
.get = snd_p16v_capture_source_get,
.put = snd_p16v_capture_source_put
};
+
+static int snd_p16v_capture_channel_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
+{
+ static char *texts[4] = { "0", "1", "2", "3", };
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = 4;
+ if (uinfo->value.enumerated.item > 3)
+ uinfo->value.enumerated.item = 3;
+ strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+
+static int snd_p16v_capture_channel_get(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.enumerated.item[0] = emu->p16v_capture_channel;
+ return 0;
+}
+
+static int snd_p16v_capture_channel_put(snd_kcontrol_t * kcontrol,
+ snd_ctl_elem_value_t * ucontrol)
+{
+ emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
+ unsigned int val;
+ int change = 0;
+ u32 tmp;
+
+ val = ucontrol->value.enumerated.item[0] ;
+ change = (emu->p16v_capture_channel != val);
+ if (change) {
+ emu->p16v_capture_channel = val;
+ tmp = snd_emu10k1_ptr20_read(emu, CAPTURE_P16V_SOURCE, 0) & 0xfffc;
+ snd_emu10k1_ptr20_write(emu, CAPTURE_P16V_SOURCE, 0, tmp | val);
+ }
+ return change;
+}
+
+static snd_kcontrol_new_t snd_p16v_capture_channel __devinitdata =
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "HD Capture channel",
+ .info = snd_p16v_capture_channel_info,
+ .get = snd_p16v_capture_channel_get,
+ .put = snd_p16v_capture_channel_put
+};
+
int snd_p16v_mixer(emu10k1_t *emu)
{
int err;
@@ -974,6 +1030,10 @@
return -ENOMEM;
if ((err = snd_ctl_add(card, kctl)))
return err;
+ if ((kctl = snd_ctl_new1(&snd_p16v_capture_channel, emu)) == NULL)
+ return -ENOMEM;
+ if ((err = snd_ctl_add(card, kctl)))
+ return err;
return 0;
}
