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ALSA: usb-audio: Fast Track C400 mixer ranges

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Add ranges for various Fast Track C400 controls, as observed
while using the vendor's mixer control software (res values
are an estimation).

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Eldad Zack 2012-11-28 23:55:39 +01:00 committed by Takashi Iwai
parent 76f74bca73
commit d50ed624e4
1 changed files with 27 additions and 0 deletions
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27
sound/usb/mixer.c
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@ -806,6 +806,33 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
struct snd_kcontrol *kctl)
{
switch (cval->mixer->chip->usb_id) {
case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
if (strcmp(kctl->id.name, "Effect Duration") == 0) {
cval->min = 0x0000;
cval->max = 0xffff;
cval->res = 0x00e6;
break;
}
if (strcmp(kctl->id.name, "Effect Volume") == 0 ||
strcmp(kctl->id.name, "Effect Feedback Volume") == 0) {
cval->min = 0x00;
cval->max = 0xff;
break;
}
if (strstr(kctl->id.name, "Effect Return") != NULL) {
cval->min = 0xb706;
cval->max = 0xff7b;
cval->res = 0x0073;
break;
}
if ((strstr(kctl->id.name, "Playback Volume") != NULL) ||
(strstr(kctl->id.name, "Effect Send") != NULL)) {
cval->min = 0xb5fb; /* -73 dB = 0xb6ff */
cval->max = 0xfcfe;
cval->res = 0x0073;
}
break;
case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
if (strcmp(kctl->id.name, "Effect Duration") == 0) {