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authorEldad Zack <eldad@fogrefinery.com>2012-11-28 23:55:39 +0100
committerTakashi Iwai <tiwai@suse.de>2012-11-29 08:44:42 +0100
commitd50ed624e4106ae4e6d06b8bf7cefad6612e235d (patch)
tree1f158ae069aaaae7c029629cab388b613a4cc343 /sound/usb/mixer.c
parent76f74bca73ec8210c6b04559445982907ad1b0a6 (diff)
downloadlinux-d50ed624e4106ae4e6d06b8bf7cefad6612e235d.tar.gz
ALSA: usb-audio: Fast Track C400 mixer ranges
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>
Diffstat (limited to 'sound/usb/mixer.c')
-rw-r--r--sound/usb/mixer.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 4eacbe2e2d64..feed500f9435 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -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) {