sound: usb: make the USB MIDI module more independent
Remove the dependecy from the USB MIDI code on the snd_usb_audio
structure. This allows using the USB MIDI module from another driver
without having to pretend to be the generic USB audio driver.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 8db0374..b074a59 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -2893,7 +2893,9 @@
if ((altsd->bInterfaceClass == USB_CLASS_AUDIO ||
altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC) &&
altsd->bInterfaceSubClass == USB_SUBCLASS_MIDI_STREAMING) {
- if (snd_usb_create_midi_interface(chip, iface, NULL) < 0) {
+ int err = snd_usbmidi_create(chip->card, iface,
+ &chip->midi_list, NULL);
+ if (err < 0) {
snd_printk(KERN_ERR "%d:%u:%d: cannot create sequencer device\n", dev->devnum, ctrlif, j);
continue;
}
@@ -3038,12 +3040,11 @@
.type = QUIRK_MIDI_FIXED_ENDPOINT,
.data = &uaxx_ep
};
- if (chip->usb_id == USB_ID(0x0582, 0x002b))
- return snd_usb_create_midi_interface(chip, iface,
- &ua700_quirk);
- else
- return snd_usb_create_midi_interface(chip, iface,
- &uaxx_quirk);
+ const struct snd_usb_audio_quirk *quirk =
+ chip->usb_id == USB_ID(0x0582, 0x002b)
+ ? &ua700_quirk : &uaxx_quirk;
+ return snd_usbmidi_create(chip->card, iface,
+ &chip->midi_list, quirk);
}
if (altsd->bNumEndpoints != 1)
@@ -3370,6 +3371,13 @@
return 0; /* keep this altsetting */
}
+static int create_any_midi_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *intf,
+ const struct snd_usb_audio_quirk *quirk)
+{
+ return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk);
+}
+
/*
* audio-interface quirks
*
@@ -3387,14 +3395,14 @@
static const quirk_func_t quirk_funcs[] = {
[QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
[QUIRK_COMPOSITE] = create_composite_quirk,
- [QUIRK_MIDI_STANDARD_INTERFACE] = snd_usb_create_midi_interface,
- [QUIRK_MIDI_FIXED_ENDPOINT] = snd_usb_create_midi_interface,
- [QUIRK_MIDI_YAMAHA] = snd_usb_create_midi_interface,
- [QUIRK_MIDI_MIDIMAN] = snd_usb_create_midi_interface,
- [QUIRK_MIDI_NOVATION] = snd_usb_create_midi_interface,
- [QUIRK_MIDI_FASTLANE] = snd_usb_create_midi_interface,
- [QUIRK_MIDI_EMAGIC] = snd_usb_create_midi_interface,
- [QUIRK_MIDI_CME] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
+ [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
+ [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
+ [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
+ [QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
+ [QUIRK_MIDI_FASTLANE] = create_any_midi_quirk,
+ [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
+ [QUIRK_MIDI_CME] = create_any_midi_quirk,
[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
[QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk,