ALSA: usb-audio: M-Audio Fast Track Ultra: Add effect controls
This adds controls for the effects section on the FTU devices.
Some of these controls need volume quirks. They are added to
mixer.c.
[fixed missing break by tiwai]
Signed-off-by: Felix Homann <linuxaudio@showlabor.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 6671e64..b44df6e 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -574,6 +574,186 @@
}
/* M-Audio FastTrack Ultra quirks */
+/* FTU Effect switch */
+struct snd_ftu_eff_switch_priv_val {
+ struct usb_mixer_interface *mixer;
+ int cached_value;
+ int is_cached;
+};
+
+static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ static const char *texts[8] = {"Room 1",
+ "Room 2",
+ "Room 3",
+ "Hall 1",
+ "Hall 2",
+ "Plate",
+ "Delay",
+ "Echo"
+ };
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = 8;
+ if (uinfo->value.enumerated.item > 7)
+ uinfo->value.enumerated.item = 7;
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+
+ return 0;
+}
+
+static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_usb_audio *chip;
+ struct usb_mixer_interface *mixer;
+ struct snd_ftu_eff_switch_priv_val *pval;
+ int err;
+ unsigned char value[2];
+
+ const int id = 6;
+ const int validx = 1;
+ const int val_len = 2;
+
+ value[0] = 0x00;
+ value[1] = 0x00;
+
+ pval = (struct snd_ftu_eff_switch_priv_val *)
+ kctl->private_value;
+
+ if (pval->is_cached) {
+ ucontrol->value.enumerated.item[0] = pval->cached_value;
+ return 0;
+ }
+
+ mixer = (struct usb_mixer_interface *) pval->mixer;
+ if (snd_BUG_ON(!mixer))
+ return -EINVAL;
+
+ chip = (struct snd_usb_audio *) mixer->chip;
+ if (snd_BUG_ON(!chip))
+ return -EINVAL;
+
+
+ err = snd_usb_ctl_msg(chip->dev,
+ usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
+ USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
+ validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
+ value, val_len);
+ if (err < 0)
+ return err;
+
+ ucontrol->value.enumerated.item[0] = value[0];
+ pval->cached_value = value[0];
+ pval->is_cached = 1;
+
+ return 0;
+}
+
+static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_usb_audio *chip;
+ struct snd_ftu_eff_switch_priv_val *pval;
+
+ struct usb_mixer_interface *mixer;
+ int changed, cur_val, err, new_val;
+ unsigned char value[2];
+
+
+ const int id = 6;
+ const int validx = 1;
+ const int val_len = 2;
+
+ changed = 0;
+
+ pval = (struct snd_ftu_eff_switch_priv_val *)
+ kctl->private_value;
+ cur_val = pval->cached_value;
+ new_val = ucontrol->value.enumerated.item[0];
+
+ mixer = (struct usb_mixer_interface *) pval->mixer;
+ if (snd_BUG_ON(!mixer))
+ return -EINVAL;
+
+ chip = (struct snd_usb_audio *) mixer->chip;
+ if (snd_BUG_ON(!chip))
+ return -EINVAL;
+
+ if (!pval->is_cached) {
+ /* Read current value */
+ err = snd_usb_ctl_msg(chip->dev,
+ usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
+ USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
+ validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
+ value, val_len);
+ if (err < 0)
+ return err;
+
+ cur_val = value[0];
+ pval->cached_value = cur_val;
+ pval->is_cached = 1;
+ }
+ /* update value if needed */
+ if (cur_val != new_val) {
+ value[0] = new_val;
+ value[1] = 0;
+ err = snd_usb_ctl_msg(chip->dev,
+ usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
+ USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
+ validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
+ value, val_len);
+ if (err < 0)
+ return err;
+
+ pval->cached_value = new_val;
+ pval->is_cached = 1;
+ changed = 1;
+ }
+
+ return changed;
+}
+
+static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer)
+{
+ static struct snd_kcontrol_new template = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Effect Program Switch",
+ .index = 0,
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .info = snd_ftu_eff_switch_info,
+ .get = snd_ftu_eff_switch_get,
+ .put = snd_ftu_eff_switch_put
+ };
+
+ int err;
+ struct snd_kcontrol *kctl;
+ struct snd_ftu_eff_switch_priv_val *pval;
+
+ pval = kzalloc(sizeof(*pval), GFP_KERNEL);
+ if (!pval)
+ return -ENOMEM;
+
+ pval->cached_value = 0;
+ pval->is_cached = 0;
+ pval->mixer = mixer;
+
+ template.private_value = (unsigned long) pval;
+ kctl = snd_ctl_new1(&template, mixer->chip);
+ if (!kctl) {
+ kfree(pval);
+ return -ENOMEM;
+ }
+
+ err = snd_ctl_add(mixer->chip->card, kctl);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
/* Create volume controls for FTU devices*/
static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
@@ -614,6 +794,102 @@
return 0;
}
+/* This control needs a volume quirk, see mixer.c */
+static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
+{
+ static const char name[] = "Effect Volume";
+ const unsigned int id = 6;
+ const int val_type = USB_MIXER_U8;
+ const unsigned int control = 2;
+ const unsigned int cmask = 0;
+
+ return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
+ name, snd_usb_mixer_vol_tlv);
+}
+
+/* This control needs a volume quirk, see mixer.c */
+static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
+{
+ static const char name[] = "Effect Duration";
+ const unsigned int id = 6;
+ const int val_type = USB_MIXER_S16;
+ const unsigned int control = 3;
+ const unsigned int cmask = 0;
+
+ return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
+ name, snd_usb_mixer_vol_tlv);
+}
+
+/* This control needs a volume quirk, see mixer.c */
+static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
+{
+ static const char name[] = "Effect Feedback Volume";
+ const unsigned int id = 6;
+ const int val_type = USB_MIXER_U8;
+ const unsigned int control = 4;
+ const unsigned int cmask = 0;
+
+ return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
+ name, NULL);
+}
+
+static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
+{
+ unsigned int cmask;
+ int err, ch;
+ char name[48];
+
+ const unsigned int id = 7;
+ const int val_type = USB_MIXER_S16;
+ const unsigned int control = 7;
+
+ for (ch = 0; ch < 4; ++ch) {
+ cmask = 1 << ch;
+ snprintf(name, sizeof(name),
+ "Effect Return %d Volume", ch + 1);
+ err = snd_create_std_mono_ctl(mixer, id, control,
+ cmask, val_type, name,
+ snd_usb_mixer_vol_tlv);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
+{
+ unsigned int cmask;
+ int err, ch;
+ char name[48];
+
+ const unsigned int id = 5;
+ const int val_type = USB_MIXER_S16;
+ const unsigned int control = 9;
+
+ for (ch = 0; ch < 8; ++ch) {
+ cmask = 1 << ch;
+ snprintf(name, sizeof(name),
+ "Effect Send AIn%d Volume", ch + 1);
+ err = snd_create_std_mono_ctl(mixer, id, control, cmask,
+ val_type, name,
+ snd_usb_mixer_vol_tlv);
+ if (err < 0)
+ return err;
+ }
+ for (ch = 8; ch < 16; ++ch) {
+ cmask = 1 << ch;
+ snprintf(name, sizeof(name),
+ "Effect Send DIn%d Volume", ch - 7);
+ err = snd_create_std_mono_ctl(mixer, id, control, cmask,
+ val_type, name,
+ snd_usb_mixer_vol_tlv);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
{
int err;
@@ -622,6 +898,29 @@
if (err < 0)
return err;
+ err = snd_ftu_create_effect_switch(mixer);
+ if (err < 0)
+ return err;
+ err = snd_ftu_create_effect_volume_ctl(mixer);
+ if (err < 0)
+ return err;
+
+ err = snd_ftu_create_effect_duration_ctl(mixer);
+ if (err < 0)
+ return err;
+
+ err = snd_ftu_create_effect_feedback_ctl(mixer);
+ if (err < 0)
+ return err;
+
+ err = snd_ftu_create_effect_return_ctls(mixer);
+ if (err < 0)
+ return err;
+
+ err = snd_ftu_create_effect_send_ctls(mixer);
+ if (err < 0)
+ return err;
+
return 0;
}