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[ALSA] usb-audio: simplify MIDI quirk handling 

Modules: USB generic driver

Simplify the handling of MIDI quirks by treating an interface without
quirks as a QUIRK_MIDI_STANDARD_INTERFACE.

This also fixes the bug where a MIDI_STANDARD quirk would not be
recognized.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
This commit is contained in:
Clemens Ladisch 2005-09-14 08:36:03 +02:00 коммит произвёл Jaroslav Kysela
Родитель 5747e54042
Коммит d1bda04554
2 изменённых файлов: 45 добавлений и 56 удалений
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24
sound/usb/usbaudio.c
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@ -2755,9 +2755,9 @@ static int create_fixed_stream_quirk(snd_usb_audio_t *chip,
/*
* create a stream for an interface with proper descriptors
*/
static int create_standard_interface_quirk(snd_usb_audio_t *chip,
struct usb_interface *iface,
const snd_usb_audio_quirk_t *quirk)
static int create_standard_audio_quirk(snd_usb_audio_t *chip,
struct usb_interface *iface,
const snd_usb_audio_quirk_t *quirk)
{
struct usb_host_interface *alts;
struct usb_interface_descriptor *altsd;
@ -2765,24 +2765,14 @@ static int create_standard_interface_quirk(snd_usb_audio_t *chip,
alts = &iface->altsetting[0];
altsd = get_iface_desc(alts);
switch (quirk->type) {
case QUIRK_AUDIO_STANDARD_INTERFACE:
err = parse_audio_endpoints(chip, altsd->bInterfaceNumber);
if (!err)
usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0); /* reset the current interface */
break;
case QUIRK_MIDI_STANDARD_INTERFACE:
err = snd_usb_create_midi_interface(chip, iface, NULL);
break;
default:
snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
return -ENXIO;
}
err = parse_audio_endpoints(chip, altsd->bInterfaceNumber);
if (err < 0) {
snd_printk(KERN_ERR "cannot setup if %d: error %d\n",
altsd->bInterfaceNumber, err);
return err;
}
/* reset the current interface */
usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0);
return 0;
}
@ -3044,7 +3034,7 @@ static int snd_usb_create_quirk(snd_usb_audio_t *chip,
[QUIRK_MIDI_RAW] = snd_usb_create_midi_interface,
[QUIRK_MIDI_EMAGIC] = snd_usb_create_midi_interface,
[QUIRK_MIDI_MIDITECH] = snd_usb_create_midi_interface,
[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_interface_quirk,
[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
[QUIRK_AUDIO_EDIROL_UA700_UA25] = create_ua700_ua25_quirk,
[QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk,

77
sound/usb/usbmidi.c
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@ -1550,46 +1550,45 @@ int snd_usb_create_midi_interface(snd_usb_audio_t* chip,
/* detect the endpoint(s) to use */
memset(endpoints, 0, sizeof(endpoints));
if (!quirk) {
switch (quirk ? quirk->type : QUIRK_MIDI_STANDARD_INTERFACE) {
case QUIRK_MIDI_STANDARD_INTERFACE:
err = snd_usbmidi_get_ms_info(umidi, endpoints);
} else {
switch (quirk->type) {
case QUIRK_MIDI_FIXED_ENDPOINT:
memcpy(&endpoints[0], quirk->data,
sizeof(snd_usb_midi_endpoint_info_t));
err = snd_usbmidi_detect_endpoints(umidi, &endpoints[0], 1);
break;
case QUIRK_MIDI_YAMAHA:
err = snd_usbmidi_detect_yamaha(umidi, &endpoints[0]);
break;
case QUIRK_MIDI_MIDIMAN:
umidi->usb_protocol_ops = &snd_usbmidi_midiman_ops;
memcpy(&endpoints[0], quirk->data,
sizeof(snd_usb_midi_endpoint_info_t));
err = 0;
break;
case QUIRK_MIDI_NOVATION:
umidi->usb_protocol_ops = &snd_usbmidi_novation_ops;
err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
break;
case QUIRK_MIDI_RAW:
umidi->usb_protocol_ops = &snd_usbmidi_raw_ops;
err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
break;
case QUIRK_MIDI_EMAGIC:
umidi->usb_protocol_ops = &snd_usbmidi_emagic_ops;
memcpy(&endpoints[0], quirk->data,
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;
break;
}
break;
case QUIRK_MIDI_FIXED_ENDPOINT:
memcpy(&endpoints[0], quirk->data,
sizeof(snd_usb_midi_endpoint_info_t));
err = snd_usbmidi_detect_endpoints(umidi, &endpoints[0], 1);
break;
case QUIRK_MIDI_YAMAHA:
err = snd_usbmidi_detect_yamaha(umidi, &endpoints[0]);
break;
case QUIRK_MIDI_MIDIMAN:
umidi->usb_protocol_ops = &snd_usbmidi_midiman_ops;
memcpy(&endpoints[0], quirk->data,
sizeof(snd_usb_midi_endpoint_info_t));
err = 0;
break;
case QUIRK_MIDI_NOVATION:
umidi->usb_protocol_ops = &snd_usbmidi_novation_ops;
err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
break;
case QUIRK_MIDI_RAW:
umidi->usb_protocol_ops = &snd_usbmidi_raw_ops;
err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
break;
case QUIRK_MIDI_EMAGIC:
umidi->usb_protocol_ops = &snd_usbmidi_emagic_ops;
memcpy(&endpoints[0], quirk->data,
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;
break;
}
if (err < 0) {
kfree(umidi);