From d50ed624e4106ae4e6d06b8bf7cefad6612e235d Mon Sep 17 00:00:00 2001 From: Eldad Zack Date: Wed, 28 Nov 2012 23:55:39 +0100 Subject: [PATCH] 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 Signed-off-by: Takashi Iwai --- sound/usb/mixer.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) 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) { -- 2.30.2