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Diffstat (limited to 'sound/usb/mixer.c')
-rw-r--r--sound/usb/mixer.c50
1 files changed, 35 insertions, 15 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index ab23869c01bb..4f40ba823163 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -486,7 +486,7 @@ static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
/*
* TLV callback for mixer volume controls
*/
-static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
+int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
unsigned int size, unsigned int __user *_tlv)
{
struct usb_mixer_elem_info *cval = kcontrol->private_data;
@@ -770,6 +770,26 @@ 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, 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) {
+ snd_printk(KERN_INFO
+ "usb-audio: set quirk for FTU Effect Duration\n");
+ cval->min = 0x0000;
+ cval->max = 0x7f00;
+ cval->res = 0x0100;
+ break;
+ }
+ if (strcmp(kctl->id.name, "Effect Volume") == 0 ||
+ strcmp(kctl->id.name, "Effect Feedback Volume") == 0) {
+ snd_printk(KERN_INFO
+ "usb-audio: set quirks for FTU Effect Feedback/Volume\n");
+ cval->min = 0x00;
+ cval->max = 0x7f;
+ break;
+ }
+ break;
+
case USB_ID(0x0471, 0x0101):
case USB_ID(0x0471, 0x0104):
case USB_ID(0x0471, 0x0105):
@@ -1121,9 +1141,6 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
len = snd_usb_copy_string_desc(state, nameid,
kctl->id.name, sizeof(kctl->id.name));
- /* get min/max values */
- get_min_max_with_quirks(cval, 0, kctl);
-
switch (control) {
case UAC_FU_MUTE:
case UAC_FU_VOLUME:
@@ -1155,17 +1172,7 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
}
append_ctl_name(kctl, control == UAC_FU_MUTE ?
" Switch" : " Volume");
- if (control == UAC_FU_VOLUME) {
- check_mapped_dB(map, cval);
- if (cval->dBmin < cval->dBmax || !cval->initialized) {
- kctl->tlv.c = mixer_vol_tlv;
- kctl->vd[0].access |=
- SNDRV_CTL_ELEM_ACCESS_TLV_READ |
- SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
- }
- }
break;
-
default:
if (! len)
strlcpy(kctl->id.name, audio_feature_info[control-1].name,
@@ -1173,6 +1180,19 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
break;
}
+ /* get min/max values */
+ get_min_max_with_quirks(cval, 0, kctl);
+
+ if (control == UAC_FU_VOLUME) {
+ check_mapped_dB(map, cval);
+ if (cval->dBmin < cval->dBmax || !cval->initialized) {
+ kctl->tlv.c = snd_usb_mixer_vol_tlv;
+ kctl->vd[0].access |=
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ |
+ SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+ }
+ }
+
range = (cval->max - cval->min) / cval->res;
/* Are there devices with volume range more than 255? I use a bit more
* to be sure. 384 is a resolution magic number found on Logitech
@@ -1388,7 +1408,7 @@ static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, void *r
for (pin = 0; pin < input_pins; pin++) {
err = parse_audio_unit(state, desc->baSourceID[pin]);
if (err < 0)
- return err;
+ continue;
err = check_input_term(state, desc->baSourceID[pin], &iterm);
if (err < 0)
return err;