Make use of the freshly introduced methods to re-use standard mixer handling and add some controls that are hidden but implemented in a standard conform way on M-Audio's FastTrack devices.
Signed-off-by: Daniel Mack zonque@gmail.com Original-code-by: Felix Homann linuxaudio@showlabor.de --- sound/usb/mixer_quirks.c | 70 ++++++++++++++++++++++++++++++++++++++++++++++ sound/usb/quirks-table.h | 4 +- 2 files changed, 72 insertions(+), 2 deletions(-)
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index 9146cff..3d0f487 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -40,6 +40,8 @@ #include "mixer_quirks.h" #include "helper.h"
+extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl; + /* * Sound Blaster remote control configuration * @@ -492,6 +494,69 @@ static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer, return err; }
+/* M-Audio FastTrack Ultra quirks */ + +/* private_free callback */ +static void usb_mixer_elem_free(struct snd_kcontrol *kctl) +{ + kfree(kctl->private_data); + kctl->private_data = NULL; +} + +static int snd_maudio_ftu_create_ctl(struct usb_mixer_interface *mixer, + int in, int out, const char *name) +{ + struct usb_mixer_elem_info *cval; + struct snd_kcontrol *kctl; + + cval = kzalloc(sizeof(*cval), GFP_KERNEL); + if (!cval) + return -ENOMEM; + + cval->id = 5; + cval->mixer = mixer; + cval->val_type = USB_MIXER_S16; + cval->channels = 1; + cval->control = out + 1; + cval->cmask = 1 << in; + + kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval); + if (!kctl) { + kfree(cval); + return -ENOMEM; + } + + snprintf(kctl->id.name, sizeof(kctl->id.name), name); + kctl->private_free = usb_mixer_elem_free; + return snd_usb_mixer_add_control(mixer, kctl); +} + +static int snd_maudio_ftu_create_mixer(struct usb_mixer_interface *mixer) +{ + char name[64]; + int in, out, err; + + for (out = 0; out < 8; out++) { + for (in = 0; in < 8; in++) { + snprintf(name, sizeof(name), + "AIn%d - Out%d Capture Volume", in + 1, out + 1); + err = snd_maudio_ftu_create_ctl(mixer, in, out, name); + if (err < 0) + return err; + } + + for (in = 8; in < 16; in++) { + snprintf(name, sizeof(name), + "DIn%d - Out%d Playback Volume", in - 7, out + 1); + err = snd_maudio_ftu_create_ctl(mixer, in, out, name); + if (err < 0) + return err; + } + } + + return 0; +} + void snd_emuusb_set_samplerate(struct snd_usb_audio *chip, unsigned char samplerate_id) { @@ -533,6 +598,11 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) snd_audigy2nx_proc_read); break;
+ case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */ + case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */ + err = snd_maudio_ftu_create_mixer(mixer); + break; + case USB_ID(0x0b05, 0x1739): case USB_ID(0x0b05, 0x1743): err = snd_xonar_u1_controls_create(mixer); diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 78792a8..0b2ae8e 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -1988,7 +1988,7 @@ YAMAHA_DEVICE(0x7010, "UB99"), .data = & (const struct snd_usb_audio_quirk[]) { { .ifnum = 0, - .type = QUIRK_IGNORE_INTERFACE + .type = QUIRK_AUDIO_STANDARD_MIXER, }, { .ifnum = 1, @@ -2055,7 +2055,7 @@ YAMAHA_DEVICE(0x7010, "UB99"), .data = & (const struct snd_usb_audio_quirk[]) { { .ifnum = 0, - .type = QUIRK_IGNORE_INTERFACE + .type = QUIRK_AUDIO_STANDARD_MIXER, }, { .ifnum = 1,