From 07a3c363b7262f38487d9b4d55d2757248f1c086 Mon Sep 17 00:00:00 2001
From: Eldad Zack <eldad@fogrefinery.com>
Date: Wed, 28 Nov 2012 23:55:39 +0100
Subject: [PATCH] --- yaml --- r: 342631 b: refs/heads/master c:
 d50ed624e4106ae4e6d06b8bf7cefad6612e235d h: refs/heads/master i:   342629:
 6fcf131acaa49fb26b0120f048fbc9de9680f215   342627:
 1a0fc96b965e42a04cb0094ac1da0f97f6c1aaca   342623:
 47a5fa4d92e633627edb598b5c3f5acc48e63c32 v: v3

---
 [refs]                  |  2 +-
 trunk/sound/usb/mixer.c | 27 +++++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 86173204b84d..940710ea901e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 76f74bca73ec8210c6b04559445982907ad1b0a6
+refs/heads/master: d50ed624e4106ae4e6d06b8bf7cefad6612e235d
diff --git a/trunk/sound/usb/mixer.c b/trunk/sound/usb/mixer.c
index 4eacbe2e2d64..feed500f9435 100644
--- a/trunk/sound/usb/mixer.c
+++ b/trunk/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) {