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[ALSA] usb-audio - add support for Miditech USB MIDI keyboards 

USB generic driver
Add support for Miditech Midistart and MidiStudio keyboards (another
case of devices using the standard protocol but having no descriptors).

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
This commit is contained in:
Clemens Ladisch 2005-07-25 16:17:29 +02:00 committed by Jaroslav Kysela
parent d06e4c4001
commit f38275fe99
4 changed files with 26 additions and 0 deletions
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1
sound/usb/usbaudio.c
View File

@ -2972,6 +2972,7 @@ static int snd_usb_create_quirk(snd_usb_audio_t *chip,
case QUIRK_MIDI_NOVATION:
case QUIRK_MIDI_RAW:
case QUIRK_MIDI_EMAGIC:
case QUIRK_MIDI_MIDITECH:
return snd_usb_create_midi_interface(chip, iface, quirk);
case QUIRK_COMPOSITE:
return create_composite_quirk(chip, iface, quirk);

3
sound/usb/usbaudio.h
View File

@ -167,6 +167,7 @@ struct snd_usb_audio {
#define QUIRK_MIDI_NOVATION 10
#define QUIRK_MIDI_RAW 11
#define QUIRK_MIDI_EMAGIC 12
#define QUIRK_MIDI_MIDITECH 13
typedef struct snd_usb_audio_quirk snd_usb_audio_quirk_t;
typedef struct snd_usb_midi_endpoint_info snd_usb_midi_endpoint_info_t;
@ -210,6 +211,8 @@ struct snd_usb_midi_endpoint_info {
/* for QUIRK_MIDI_EMAGIC, data points to a snd_usb_midi_endpoint_info
* structure (out_cables and in_cables only) */
/* for QUIRK_MIDI_MIDITECH, data is NULL */
/*
*/

3
sound/usb/usbmidi.c
View File

@ -1515,6 +1515,9 @@ int snd_usb_create_midi_interface(snd_usb_audio_t* chip,
sizeof(snd_usb_midi_endpoint_info_t));
err = snd_usbmidi_detect_endpoints(umidi, &endpoints[0], 1);
break;
case QUIRK_MIDI_MIDITECH:
err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
break;
default:
snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
err = -ENXIO;

19
sound/usb/usbquirks.h
View File

@ -1378,6 +1378,25 @@ YAMAHA_DEVICE(0x7010, "UB99"),
}
},
{
USB_DEVICE(0x4752, 0x0011),
.driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) {
.vendor_name = "Miditech",
.product_name = "Midistart-2",
.ifnum = 0,
.type = QUIRK_MIDI_MIDITECH
}
},
{
USB_DEVICE(0x7104, 0x2202),
.driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) {
.vendor_name = "Miditech",
.product_name = "MidiStudio-2",
.ifnum = 0,
.type = QUIRK_MIDI_MIDITECH
}
},
{
/*
* Some USB MIDI devices don't have an audio control interface,